Pacific Southwest, Region 9: Superfund
Serving Arizona, California, Hawaii, Nevada, the Pacific Islands, and Tribal Nations
Indian Bend Wash Area
Superfund Site
(Part 4 of 4)
Administrative Record Index
To request copies of administrative record documents, an electronic order form is available.
List of Abbreviations and Acronyms Used in Administrative Record Index
| ABBREVIATION | MEANING |
| ADEQ | Arizona Dept. Environmental Quality |
| ADHS | Arizona Dept. Health Services |
| ADWR | Arizona Dept. Water Resources |
| AMTO | After My Term of Office |
| AO | Administrative Order |
| APS | Arizona Public Service |
| Attch | Attachment |
| AZ | State of Arizona |
| AZDOEQ | Arizona Dept. of Environmental Quality |
| AZDOHS | Arizona Dept. of Health Services |
| AZDOWR | Arizona Dept. of Water Resources |
| CA | State of California |
| CDC | Centers for Disease Control |
| CDM | Comprehensive Data Management |
| CERCLA | Comprehensive Environmental Response, Compensation, and Liability Act of 1980 (Superfund) |
| CGTF | Central Groundwater Treatment Facility |
| CH2M | CH2M Hill (EPA consultant) |
| COD | Chemical Oxygen Demand |
| CORA | Cost of Remedial Actions |
| DOHS | Dept. of Health Services |
| DOJ | Dept. of Justice |
| EMSL | Environmental Monitoring Support (or Systems) Laboratory |
| Encl | Enclosure |
| EPA | Environmental Protection Agency |
| EXH | Exhibit |
| FIT | Field Investigation Team |
| FOIA | Freedom of Information Act |
| fr | From |
| FS | Feasibility Study |
| FSP | Field Sampling Plan |
| HRS | Hazard Ranking System |
| HWDMS | Hazardous Waste Data Management System |
| IBW | Indian Bend Wash |
| IBWN | Indian Bend Wash North |
| LA | Los Angeles |
| LAU | Lower Alluvium Unit |
| Ltr | Letter |
| MAU | Middle Alluvium Unit |
| MCL | Maximum Contaminant Level |
| NIBW | North Indian Bend Wash |
| NIMTO | Not In My Term of Office |
| NPDES | National Pollutant Discharge Elimination System |
| NPL | National Priorities List |
| OSWER | Office of Solid Waste & Emergency Response |
| OU | Operable Unit |
| OUFS | Operable Unit Feasibility Study |
| PRP | Potentially Responsible Party |
| QA | Quality Assurance |
| QA/QC | Quality Assurance/Quality Control |
| QAMS | Quality Assurance Management Staff |
| QAPP | Quality Assurance Project Plan |
| QC | Quality Control |
| RA | Remedial Action |
| RAMP | Remedial Action Master Plan (no longer prepared) |
| RCRA | Resource Conservation and Recovery Act |
| RD | Remedial Design |
| RI | Remedial Investigation |
| RI/FS | Remedial Investigation/Feasibilty Study |
| ROC | Record of Communication |
| ROD | Record of Decision |
| Rpt | Report |
| SAP | Sampling & Analysis Plan |
| SAS | Special Analytical Services |
| SOP | Standard Operating Procedure |
| SOW | Statement of Work or Scope of Work |
| ST | Street |
| STP | Sewage Treatment Plant |
| SVE | Soil Vapor Extraction |
| SVM | Soil Vapor Monitoring |
| TCA | Trichloroethane |
| TCE | Trichloroethylene or Trichloroethene |
| TDD | Technical Directive Document |
| TDM | Technical Direction Memorandum |
| TDS | Total Dissolved Solids |
| TEM | Transmission Electron Microscopy |
| TL | Transmittal Letter |
| TSD | Treatment Storage & Disposal (facility) |
| UAU | Upper Alluvial Unit |
| US | United States |
| USA | United States of America |
| USC | United States Code |
| USCOE | US Army Corp of Engineers |
| UST | Underground Storage Tank |
| VLEACH | Trademark |
| VOA | Volatile Organic Analysis |
| VOC | Volatile Organic Compound |
| w/ | With |
| w/o | Without |
| WA | Work Assignment |
| WMD | Water Management Division |
| WQ | Water Quality |
| WRC | Water Resources Council |
Administrative Record Index
| Doc Date | Author / Auth. Affiliate | Addressee / Addr. Affiliate | Subject | AR # | Roll # | Frame # | Doc ID |
| 1998/01/15 | Ronald DeWitt / Errol L Montgomery & Assoc, Inc | Emily Roth / Environmental Protection Agency - Region 9 | Ltr: Transmits TCE plume maps for 10/97, w/attchs | 3033 | 8 | 565 | 0218-02075 |
| 1998/01/15 | Nichols Hazelwood / N I B W Participating Cos | Emily Roth / Environmental Protection Agency - Region 9 | NIBW quarterly rpt for 4th quarter 1997, w/TL | 3034 | 8 | 571 | 0218-02260 |
| 1998/01/16 | Emily Roth / Environmental Protection Agency - Region 9 | Nichols Hazelwood / N I B W Participating Cos | Ltr: EPA approval of proposed modifications to Central Groundwater Treatment Facility as pilot project, w/attchs | 3035 | 8 | 581 | 0218-02063 |
| 1998/01/16 | Levine-Fricke-Recon | Environmental Protection Agency - Region 9 | Lower-middle alluvial unit investigation rpt, v1 of 2 | 3036 | 8 | 595 | 0218-02219 |
| 1998/01/16 | Levine-Fricke-Recon | Environmental Protection Agency - Region 9 | Lower-middle alluvial unit investigation rpt, v2 of 2 | 3037 | 8 | 924 | 0218-02220 |
| 1998/01/16 | Emily Roth / Environmental Protection Agency - Region 9 | Nichols Hazelwood / N I B W Participating Cos | Ltr: Groundwater flow & containment transport modeling effort & schedule, w/attch | 3038 | 8 | 1466 | 0218-93181 |
| 1998/01/16 | Mike Grigorieff / C H 2 M Hill | Emily Roth / Environmental Protection Agency - Region 9 | Email: Summarizes annual VOC emission numbers & transmits updated VOC emissions graph, w/attch (emis_cal4.xls) | 3039 | 8 | 1472 | 0218-93880 |
| 1998/01/19 | - | - | City of Scottsdale GWTF TCE concentrations in raw water, treated water & at reservoir 80 (1994 - 1997) | 3040 | 8 | 1476 | 0218-02353 |
| 1998/01/19 | Woodward-Clyde Consultants | City of Scottsdale, AZ | Final interim operating period rpt, City of Scottsdale groundwater treatment facility, w/TL to E Roth fr M Mahar 6/9/98 | 3041 | 8 | 1489 | 0218-02402 |
| 1998/01/21 | Environmental Protection Agency - Region 9 | - | Mtg Agenda: Community mtg (1/21/98) to discuss Area 7 & 12 gw systems, conduit well study & modifications to GWTF, w/attchs | 3042 | 8 | 1649 | 0218-02211 |
| 1998/01/21 | Environmental Protection Agency - Region 9 | - | Mtg Agenda: Community mtg (1/21/98) to discuss Area 7 & 12 gw systems, conduit well study, & modifications to GWTF | 3043 | 8 | 1669 | 0218-93411 |
| 1998/01/21 | Environmental Protection Agency - Region 9 | - | Mtg Agenda: Technical mtg (1/21/98) to discuss Area 7 & Area 12 issues | 3044 | 8 | 1671 | 0218-93412 |
| 1998/01/21 | - | - | Mtg Note: List of attendees at Area 12 Motorola mtg | 3045 | 8 | 1673 | 0218-93528 |
| 1998/01/28 | David Benjes / McKenzie Laboratories, Inc | Emily Roth / Environmental Protection Agency - Region 9 | Ltr: Transmits City of Scottsdale water monitoring rpts for 12/97, w/attchs | 3046 | 8 | 1675 | 0218-02111 |
| 1998/01/28 | Karol Wolf / Salt River Project | Emily Roth / Environmental Protection Agency - Region 9 | Ltr: Transmits water quality data for 8 sentinel wells, w/attchs | 3047 | 8 | 1677 | 0218-93306 |
| 1998/01/28 | Stephanie Ciekot / AZ Dept of Environmental Quality - Waste Programs Div | Emily Roth / Environmental Protection Agency - Region 9 | Ltr: Comments re workplan for proposed modifications of Central GWTF (1/16/97) | 3048 | 8 | 1680 | 0218-93410 |
| 1998/01/29 | Gutierrez-Palmenberg, Inc | Environmental Protection Agency - Region 9 | City of Scottsdale GWTF monthly rpts (8/96 - 12/97), w/attchs & TLs | 3049 | 8 | 1683 | 0218-02481 |
| 1998/02/02 | Steve Lewis / G P I Environmental, Inc | Maria Mahar / City of Scottsdale, AZ - Dept of Water Resources | Ltr: 1995 air modeling evaluation for GWTF, screen 3 results, w/attchs | 3050 | 8 | 1685 | 0218-02760 |
| 1998/02/02 | Emily Roth / Environmental Protection Agency - Region 9 | Mike Phillips / Scottsdale Tribune (Newspaper) | Ltr: Clarification re Tribune article of 1/23/98 | 3051 | 8 | 1703 | 0218-93204 |
| 1998/02/02 | J Kaeser | Roger Klingler / City of Scottsdale, AZ | Ltr: Voluntary clean-up of Area 7 | 3052 | 8 | 1706 | 0218-93282 |
| 1998/02/02 | Lawrence Schenmeyer / Tracer Research Corp | Emily Roth / Environmental Protection Agency - Region 9 | Ltr: Transmits air sample analysis rpts for City of Scottsdale groundwater treatment facility for 1/98, w/o attch | 3053 | 8 | 1708 | 0218-93304 |
| 1998/02/05 | Nichols Hazelwood / N I B W Participating Cos | Emily Roth / Environmental Protection Agency - Region 9 | Ltr: List of documents distributed at 1/20/98 technical meeting | 3054 | 8 | 1712 | 0218-93310 |
| 1998/02/06 | Denise Powell / McKenzie Laboratories, Inc | Maria Mahar / City of Scottsdale, AZ | Ltr: Transmits sampling results for samples of 2/2/98, w/attchs | 3055 | 8 | 1715 | 0218-02147 |
| 1998/02/06 | Denise Powell / McKenzie Laboratories, Inc | Maria Mahar / City of Scottsdale, AZ | Ltr: Transmits sampling results for samples of 2/3/98, w/attchs | 3056 | 8 | 1730 | 0218-02148 |
| 1998/02/09 | Derrik Williams / C H 2 M Hill | Emily Roth / Environmental Protection Agency - Region 9 | Ltr: Transmits groundwater flow model results, w/attchs | 3057 | 8 | 1738 | 0218-02250 |
| 1998/02/09 | Susan Wienand / Harding Lawson Assoc | Emily Roth / Environmental Protection Agency - Region 9 | Ltr: Notice that draft flow model for FS addendum (FSA) is being forwarded under separate cover | 3058 | 8 | 1761 | 0218-93271 |
| 1998/02/10 | Denise Powell / McKenzie Laboratories, Inc | Maria Mahar / City of Scottsdale, AZ | Ltr: Transmits sampling results for samples of 2/4/98, w/attchs | 3059 | 8 | 1763 | 0218-02149 |
| 1998/02/10 | Denise Powell / McKenzie Laboratories, Inc | Maria Mahar / City of Scottsdale, AZ | Ltr: Transmits sampling results for samples of 2/5/98, w/attchs | 3060 | 8 | 1775 | 0218-02150 |
| 1998/02/10 | Denise Powell / McKenzie Laboratories, Inc | Maria Mahar / City of Scottsdale, AZ | Ltr: Transmits sampling results for samples of 2/6/98, w/attchs | 3061 | 8 | 1783 | 0218-02151 |
| 1998/02/10 | American Environmental Network (Arizona), Inc | Errol L Montgomery & Assoc, Inc | Results of analyses & quality control data of 7 aqueous, 1 soil & trip blank samples, w/TL to J Blaines-Fleming fr M Smith | 3062 | 8 | 1796 | 0218-02393 |
| 1998/02/10 | Thomas Milch / Arnold & Porter (Attorneys) | Michele Benson / Environmental Protection Agency - Region 9 | Ltr: FSA schedule for site, w/fax TL fr T Milch to M Benson 2/11/98 | 3063 | 8 | 1822 | 0218-93303 |
| 1998/02/13 | Denise Powell / McKenzie Laboratories, Inc | Maria Mahar / City of Scottsdale, AZ | Ltr: Transmits sampling results for samples of 2/9/98, w/attchs | 3064 | 8 | 1827 | 0218-02152 |
| 1998/02/13 | Joseph Flynn / Schafer & Assoc, Inc | Emily Roth / Environmental Protection Agency - Region 9 | Ltr: Transmits 12/96 - 12/97 groundwater level change contour maps for UAU, MAU & LAU, w/attchs | 3065 | 8 | 1842 | 0218-02177 |
| 1998/02/13 | Herbert Schumann, resident / City of Tempe, AZ | Roberta Riccio / Environmental Protection Agency - Region 9 | Ltr: Follow-up to 10/20/97 ltr (redacted, FOIA ex 6) | 3066 | 8 | 1859 | 0218-93762 |
| 1998/02/17 | David Benjes / McKenzie Laboratories, Inc | Emily Roth / Environmental Protection Agency - Region 9 | Ltr: Transmits water monitoring rpts for City of Scottsdale for 1/97, w/attchs | 3067 | 8 | 1863 | 0218-02175 |
| 1998/02/18 | Denise Powell / McKenzie Laboratories, Inc | Maria Mahar / City of Scottsdale, AZ | Ltr: Transmits sampling results for samples of 2/10/98, w/attchs | 3068 | 8 | 1865 | 0218-02153 |
| 1998/02/18 | Denise Powell / McKenzie Laboratories, Inc | Maria Mahar / City of Scottsdale, AZ | Ltr: Transmits sampling results for samples of 2/11/98, w/attchs | 3069 | 8 | 1874 | 0218-02154 |
| 1998/02/18 | Denise Powell / McKenzie Laboratories, Inc | Maria Mahar / City of Scottsdale, AZ | Ltr: Transmits sampling results for samples of 2/12/98, w/attchs | 3070 | 8 | 1885 | 0218-02155 |
| 1998/02/18 | Denise Powell / McKenzie Laboratories, Inc | Maria Mahar / City of Scottsdale, AZ | Ltr: Transmits sampling results for samples of 2/13/98, w/attchs | 3071 | 8 | 1893 | 0218-02156 |
| 1998/02/18 | Susan Wienand / Harding Lawson Assoc | Emily Roth / Environmental Protection Agency - Region 9 | Ltr: FS addendum discussion re differing well coordinates, w/attch | 3072 | 8 | 1906 | 0218-93315 |
| 1998/02/23 | Denise Powell / McKenzie Laboratories, Inc | Maria Mahar / City of Scottsdale, AZ | Ltr: Transmits sampling results for samples of 2/18/98, w/attchs | 3073 | 8 | 1910 | 0218-02158 |
| 1998/02/23 | Denise Powell / McKenzie Laboratories, Inc | Maria Mahar / City of Scottsdale, AZ | Ltr: Transmits sampling results for samples of 2/19/98, w/attchs | 3074 | 8 | 1921 | 0218-02159 |
| 1998/02/23 | Howard Bouwer / US Dept of Agriculture - Water Conservation Laboratory | - | Article: Irrigation with municipal wastewater, how safe is it? (handout fr 3/18/98 technical mtg) | 3075 | 8 | 1929 | 0218-02249 |
| 1998/02/24 | Denise Powell / McKenzie Laboratories, Inc | Maria Mahar / City of Scottsdale, AZ | Ltr: Transmits sampling results for samples of 2/17/98, w/attchs | 3076 | 8 | 1940 | 0218-02157 |
| 1998/02/24 | Denise Powell / McKenzie Laboratories, Inc | Maria Mahar / City of Scottsdale, AZ | Ltr: Transmits sampling results for samples of 2/20/98, w/attchs | 3077 | 8 | 1956 | 0218-02160 |
| 1998/02/25 | Denise Powell / McKenzie Laboratories, Inc | Maria Mahar / City of Scottsdale, AZ | Ltr: Transmits sampling results for samples of 2/23/98, w/attchs | 3078 | 8 | 1967 | 0218-02161 |
| 1998/02/26 | Emily Roth / Environmental Protection Agency - Region 9 | Nichols Hazelwood / N I B W Participating Cos | Ltr: Transmits comments on groundwater flow & contaminant transport model, w/attch | 3079 | 8 | 1982 | 0218-93319 |
| 1998/02/27 | Stephanie Ciekot / AZ Dept of Environmental Quality | Emily Roth / Environmental Protection Agency - Region 9 | Ltr: Review of draft groundwater flow model by D Williams | 3080 | 8 | 1985 | 0218-93278 |
| 1998/03/00 | City of Scottsdale, AZ | - | Fact Sheet: Groundwater treatment facility | 3081 | 8 | 1988 | 0218-93649 |
| 1998/03/02 | Levine-Fricke-Recon | C H 2 M Hill | Summary of events, Area 7 soil-vapor extraction system (SVE), (10/96 - 3/98), w/TL | 3082 | 8 | 1991 | 0218-02381 |
| 1998/03/03 | Denise Powell / McKenzie Laboratories, Inc | Maria Mahar / City of Scottsdale, AZ | Ltr: Transmits sampling results for samples of 2/24/98, w/attchs | 3083 | 8 | 2006 | 0218-02162 |
| 1998/03/03 | Denise Powell / McKenzie Laboratories, Inc | Maria Mahar / City of Scottsdale, AZ | Ltr: Transmits sampling results for samples of 2/25/98, w/attchs | 3084 | 8 | 2015 | 0218-02163 |
| 1998/03/03 | Denise Powell / McKenzie Laboratories, Inc | Maria Mahar / City of Scottsdale, AZ | Ltr: Transmits sampling results for samples of 2/26/98, w/attchs | 3085 | 8 | 2028 | 0218-02164 |
| 1998/03/03 | Denise Powell / McKenzie Laboratories, Inc | Maria Mahar / City of Scottsdale, AZ | Ltr: Transmits sampling results for samples of 2/27/98, w/attchs | 3086 | 8 | 2036 | 0218-02165 |
| 1998/03/04 | Karol Wolf / Salt River Project | Emily Roth / Environmental Protection Agency - Region 9 | Ltr: Transmits 2/98 water level data for UAU/MAU/LAU groundwater monitoring programs, w/attch | 3087 | 8 | 2049 | 0218-93276 |
| 1998/03/05 | Karol Wolf / Salt River Project | Emily Roth / Environmental Protection Agency - Region 9 | Ltr: Transmits 2/98 water quality data for 7 sentinel wells, w/attch | 3088 | 8 | 2055 | 0218-93277 |
| 1998/03/06 | Westech Laboratories Inc | City of Scottsdale, AZ | Analytical results fr air & carbon samples taken at Central GWTF, (1994 - 1995), w/encls & TL | 3089 | 8 | 2059 | 0218-02375 |
| 1998/03/10 | N I B W Participating Cos | - | Draft analysis of potential conduit wells at site, w/TL | 3090 | 8 | 2061 | 0218-02140 |
| 1998/03/12 | Joseph Flynn / Schafer & Assoc, Inc | Emily Roth / Environmental Protection Agency - Region 9 | Ltr: Transmits contour maps of 2/98 groundwater levels, w/attchs | 3091 | 8 | 2312 | 0218-02142 |
| 1998/03/16 | David Benjes / McKenzie Laboratories, Inc | Emily Roth / Environmental Protection Agency - Region 9 | Ltr: Transmits rpts for City of Scottsdale water monitoring for 2/98, w/o attchs | 3092 | 8 | 2331 | 0218-93281 |
| 1998/03/17 | Steve Lewis / G P I Environmental, Inc | Emily Roth / Environmental Protection Agency - Region 9 | Computer Disks (4): Monthly data (12/97 - 3/98) for City of Scottsdale GWTF [Excel format], w/TLs | 3093 | 8 | 2335 | 0218-02284 |
| 1998/03/18 | Environmental Protection Agency - Region 9 | - | Meeting notes & list of attendees, w/attchs | 3094 | 8 | 2344 | 0218-93284 |
| 1998/03/18 | Environmental Protection Agency - Region 9 | - | Mtg Agenda: NIBW March Technical meeting 3/18/98, w/list of attendees | 3095 | 8 | 2351 | 0218-93962 |
| 1998/03/19 | Marty Sauerzopf / Scottsdale Tribune (Newspaper) | - | Newsclip: Treatment plant won't keep neighbors up at night, w/TL fr M Mahar to E Roth 3/23/98 | 3096 | 8 | 2354 | 0218-93283 |
| 1998/03/20 | Susan Wienand / Harding Lawson Assoc | Emily Roth / Environmental Protection Agency - Region 9 | Ltr: Transmits groundwater modeling FS addendum & responses to agency comments, w/TL to E Roth fr S Weinand & attchs | 3097 | 8 | 2357 | 0218-02146 |
| 1998/03/27 | Emily Roth / Environmental Protection Agency - Region 9 | Herbert Schumann, resident / City of Tempe, AZ | Ltr: Invitation to public meeting of 4/22/98 (Redacted - FOIA ex 6) | 3098 | 8 | 2422 | 0218-93301 |
| 1998/04/00 | Salt River Project | - | Monthly water quality data summary for sentinel wells, 4/98 w/TL to E Roth fr K Wolf 5/8/98 | 3099 | 8 | 2425 | 0218-93396 |
| 1998/04/01 | Salt River Project | - | Monthly water quality data summary for sentinel wells, 3/98 w/TL to E Roth fr K Wolf 6/25/98 | 3100 | 8 | 2429 | 0218-93346 |
| 1998/04/09 | Tim Graves / C H 2 M Hill | Emily Roth / Environmental Protection Agency - Region 9 | Memo: Review of Analysis of potential conduit wells (3/98) | 3101 | 8 | 2433 | 0218-93339 |
| 1998/04/10 | Lawrence Schenmeyer / Tracer Research Corp | Emily Roth / Environmental Protection Agency - Region 9 | Ltr: Transmits air sample analysis rpts for City of Scottsdale GWTF, (3/3/98 - 4/2/98), w/o encls | 3102 | 8 | 2438 | 0218-93337 |
| 1998/04/13 | Stephanie Ciekot / AZ Dept of Environmental Quality | Emily Roth / Environmental Protection Agency - Region 9 | Ltr: Comments on draft rpt Analysis of potential conduit wells (3/98) | 3103 | 8 | 2442 | 0218-93343 |
| 1998/04/15 | Emily Roth / Environmental Protection Agency - Region 9 | Maria Mahar / City of Scottsdale, AZ - Dept of Water Resources | Ltr: EPA approval for delivery of column 1 water to Reservoir 80, w/attchs | 3104 | 8 | 2445 | 0218-93939 |
| 1998/04/16 | Michael Feeley / Latham & Watkins (Attorneys) | Michelle Benson / Environmental Protection Agency - Region 9 | Ltr: Documenting post-ROD changes & voluntary clean-up activities | 3105 | 8 | 2450 | 0218-02280 |
| 1998/04/16 | Eric Kamienski / City of Tempe, AZ - Dept of Public Works | Nichols Hazelwood / N I B W Participating Cos | Ltr: City of Tempe comments on Analysis of potential conduit wells (3/98), w/encls | 3106 | 8 | 2457 | 0218-02281 |
| 1998/04/16 | Jeffrey Stuck / AZ Dept of Environmental Quality | Maria Mahar / City of Scottsdale, AZ - Dept of Water Resources | Ltr: Comments re approval of modifications & reintroduction of column 1 to Central GWTF, w/TLs | 3107 | 8 | 2469 | 0218-93508 |
| 1998/04/17 | Nichols Hazelwood / N I B W Participating Cos | Maria Mahar / City of Scottsdale, AZ - Dept of Water Resources | Ltr: Results of additional testing of column 1 of Central GWTF & approval to return column 1 to Reservoir 80, w/attch | 3108 | 8 | 2471 | 0218-93512 |
| 1998/04/20 | Dale Bodiya / Maricopa County, AZ - Environmental Services Dept | - | Interim certificate of approval of construction with stipulations - improvements to column 1 air stripping tower of Central GWTF | 3109 | 8 | 2477 | 0218-93524 |
| 1998/04/22 | N I B W Participating Cos | - | Overheads: Southwest margin review presentation | 3110 | 8 | 2479 | 0218-02338 |
| 1998/04/22 | Mike Grigorieff / C H 2 M Hill | Emily Roth / Environmental Protection Agency - Region 9 | Memo: Central GWTF GAC split sampling results | 3111 | 8 | 2510 | 0218-93342 |
| 1998/04/22 | Environmental Protection Agency - Region 9 | - | Mtg notice: Community participation mtg (4/22/98) to discuss cleanup activities | 3112 | 8 | 2514 | 0218-93350 |
| 1998/04/22 | Environmental Protection Agency - Region 9 | - | Mtg Agenda: March technical mtg (4/22/98) | 3113 | 8 | 2516 | 0218-93510 |
| 1998/04/22 | Environmental Protection Agency - Region 9 | - | List of attendees to monthly technical mtg, 4/22/98 | 3114 | 8 | 2518 | 0218-93513 |
| 1998/04/23 | McKenzie Laboratories, Inc | Maricopa County, AZ | Sampling & analysis results for 1st week after GWTF modifications, w/TL to E Roth fr J Lutton 5/18/98 | 3115 | 8 | 2520 | 0218-02349 |
| 1998/04/30 | City of Scottsdale, AZ | Maricopa County, AZ | 1997 air emissions inventory forms for City of Scottsdale GWTF (1997) w/attchs & TL to Maricopa County Environmental Services Dept fr S Lewis | 3116 | 8 | 2527 | 0218-02774 |
| 1998/05/00 | Gutierrez-Palmenberg, Inc | - | Computer Disks (2): City of Scottsdale GWTF monthly data files for 4/98 & 5/98, 3.5in | 3117 | 8 | 2543 | 0218-02348 |
| 1998/05/04 | Steven Lewis / Gutierrez-Palmenberg, Inc | - | Annual air emissions inventories for City of Scottsdale GWTF (1997), w/attchs & TLs | 3118 | 8 | 2547 | 0218-02333 |
| 1998/05/08 | City of Scottsdale, AZ | - | City of Scottsdale Central GWTF well rpt for 1997, w/TL to E Roth fr M Mahar, w/o certified mail receipt P261 775 684 | 3119 | 8 | 2564 | 0218-93420 |
| 1998/05/13 | Schafer & Assoc, Inc | Environmental Protection Agency - Region 9 | Contour maps based on 4/98 groundwater level data, w/encls & TL | 3120 | 8 | 2567 | 0218-02344 |
| 1998/05/13 | Emily Roth / Environmental Protection Agency - Region 9 | Herbert Schumann & Assoc | Ltr: Response to inquiries re boundaries of contamination at site (redacted, FOIA ex 6) | 3121 | 9 | 1 | 0218-93419 |
| 1998/05/18 | Maricopa County, AZ - Environmental Services Dept | - | Guidelines for remediation of contaminated soil, w/TL to E Roth fr H Chiu 9/15/98 | 3122 | 9 | 5 | 0218-93713 |
| 1998/05/19 | Levine-Fricke-Recon | - | Meeting handouts re Area 7 VOC & TCE concentrations at SVE wells fr 5/19/98 meeting, w/attchs | 3123 | 9 | 9 | 0218-02354 |
| 1998/05/20 | Environmental Protection Agency - Region 9 | - | Mtg Agenda: Technical mtg (5/20/98), w/list of attendees & encls | 3124 | 9 | 28 | 0218-02347 |
| 1998/05/20 | Environmental Protection Agency - Region 9 | - | Mtg Agenda: Community group mtg, w/list of attendees (redacted, FOIA ex 6) | 3125 | 9 | 37 | 0218-02932 |
| 1998/05/21 | Mike Ray / Agriculture & Priority Pollutants Labs, Inc | Tim Graves / C H 2 M Hill | Sample results fr 4/14/98 & 4/23/98 splits at Central GWTF, w/TL | 3126 | 9 | 45 | 0218-02332 |
| 1998/05/27 | Emily Roth / Environmental Protection Agency - Region 9 | Maria Mahar / City of Scottsdale, AZ - Dept of Water Resources | Ltr: Transmits comments re revision of Central GWTF documents to reflect current policies & operations, w/encl | 3127 | 9 | 62 | 0218-02420 |
| 1998/05/29 | David Benjes / McKenzie Laboratories, Inc | Emily Roth / Environmental Protection Agency - Region 9 | Ltr: Summarizes & transmits City of Scottsdale water monitoring rpts (26) for April, w/encls | 3128 | 9 | 70 | 0218-02324 |
| 1998/05/29 | Hannah Goldstein | Felicia Marcus / Environmental Protection Agency - Region 9 | Ltr: State management of Superfund sites, request for immediate review by EPA | 3129 | 9 | 72 | 0218-93605 |
| 1998/06/01 | Lawrence Schenmeyer / Tracer Research Corp | Emily Roth / Environmental Protection Agency - Region 9 | Ltr: Transmits City of Scottsdale air sample analysis rpts, 5/98, w/encls | 3130 | 9 | 74 | 0218-02180 |
| 1998/06/03 | Emily Roth / Environmental Protection Agency - Region 9 | Stephanie Ciekot / AZ Dept of Environmental Quality | Ltr: Notice of 7/22/98 technical mtg & mention of agenda | 3131 | 9 | 113 | 0218-93395 |
| 1998/06/04 | Salt River Project | - | Monthly water quality data summary, sentinel wells (5/98), w/TL to E Roth fr K Wolf | 3132 | 9 | 115 | 0218-93408 |
| 1998/06/10 | Westech Laboratories Inc | - | Ltr: Transmits City of Scottsdale GWTF spreadsheets & water quality results for 1993-1996 fr wells 6,31,71,72,75,75A & 74, w/o water quality results | 3133 | 9 | 118 | 0218-02403 |
| 1998/06/19 | Motorola, Inc | - | Operation & maintenance manual (O&M), Area 12 groundwater treatment system (v1 of 4) | 3134 | 9 | 133 | 0218-02199 |
| 1998/06/19 | Motorola, Inc | - | Operation & maintenance manual (O&M), Area 12 groundwater treatment system, app A - air stripper system equipment (v2 of 4) | 3135 | 9 | 204 | 0218-02200 |
| 1998/06/19 | Motorola, Inc | - | Operation & maintenance manual (O&M), Area 12 groundwater treatment system, app B - PURUS air treatment system (v3 of 4) | 3136 | 9 | 1079 | 0218-02201 |
| 1998/06/19 | Motorola, Inc | - | Operation & maintenance manual (O&M), Area 12 groundwater treatment system, apps C-H (v4 of 4) | 3137 | 9 | 1834 | 0218-02202 |
| 1998/06/22 | Levine-Fricke-Recon | Environmental Protection Agency - Region 9 | Operation & evaluation rpt, Area 7 soil-vapor/gw extraction & treatment system (4/97-3/98), w/TL to E Roth fr J Lutton | 3138 | 9 | 2008 | 0218-02341 |
| 1998/06/25 | Karol Wolf / Salt River Project | Emily Roth / Environmental Protection Agency - Region 9 | Ltr: Transmits water quality data for groundwater monitoring program, 4/98, w/encl | 3139 | 9 | 2263 | 0218-02182 |
| 1998/06/25 | Salt River Project | - | Water quality data rpt for 2nd quarter, w/TL | 3140 | 9 | 2265 | 0218-02350 |
| 1998/06/25 | Salt River Project | - | Monthly water quality data summary for sentinel wells, 6/98, w/TL to E Roth fr K Wolf | 3141 | 9 | 2267 | 0218-93358 |
| 1998/06/25 | Salt River Project | - | Water level data rpt, 6/98, w/TL to E Roth fr K Wolf | 3142 | 9 | 2273 | 0218-93413 |
| 1998/06/26 | Derrik Williams | - | Groundwater flow & contaminant transport model for site, w/TL to E Roth fr D Williams | 3143 | 9 | 2276 | 0218-02351 |
| 1998/06/29 | N I B W Participating Cos | - | Results of sampling & analysis, central GWTF modifications to column 1, w/TL to E Roth fr N Hazelwood | 3144 | 10 | 1 | 0218-02299 |
| 1998/06/30 | David Benjes / McKenzie Laboratories, Inc | Emily Roth / Environmental Protection Agency - Region 9 | Ltr: Summarizes & transmits City of Scottsdale water monitoring rpts for 5/98, w/encls | 3145 | 10 | 124 | 0218-02325 |
| 1998/06/30 | Derrik Williams | Emily Roth / Environmental Protection Agency - Region 9 | Ltr: Transmits diskette with updated groundwater flow model files, w/o encl | 3146 | 10 | 126 | 0218-93357 |
| 1998/07/02 | Steve Lewis / Gutierrez-Palmenberg, Inc | Emily Roth / Environmental Protection Agency - Region 9 | TLs (2): Monthly computer disks, City of Scottsdale GWTF, for 4/98 & 5/98, w/o certified mail receipts | 3147 | 10 | 129 | 0218-93423 |
| 1998/07/08 | Stephanie Ciekot / AZ Dept of Environmental Quality - Waste Programs Div | Emily Roth / Environmental Protection Agency - Region 9 | Ltr: Comments re acceptance of groundwater flow & transport model | 3148 | 10 | 132 | 0218-93489 |
| 1998/07/10 | Emily Roth / Environmental Protection Agency - Region 9 | Nichols Hazelwood / N I B W Participating Cos | Ltr: Approval of groundwater model submitted on 6/26/98, w/o attchs | 3149 | 10 | 135 | 0218-93516 |
| 1998/07/14 | Schafer & Assoc, Inc | Environmental Protection Agency - Region 9 | Contour maps based on 6/98 groundwater level data, w/encls & TL to E Roth fr J Flynn | 3150 | 10 | 137 | 0218-02309 |
| 1998/07/15 | N I B W Participating Cos | - | Semi-annual rpt, (1/98-6/98), summarizing activities to comply with consent decree for OU #1, w/TL to E Roth fr N Hazelwood | 3151 | 10 | 156 | 0218-02311 |
| 1998/07/15 | Environmental Protection Agency - Region 9 | - | Mtg Agenda: Community involvement group mtg | 3152 | 10 | 167 | 0218-93378 |
| 1998/07/16 | Lawrence Schenmeyer / Tracer Research Corp | Emily Roth / Environmental Protection Agency - Region 9 | Ltr: Transmits City of Scottsdale air sample analysis rpts, 6/98, w/encls | 3153 | 10 | 169 | 0218-02181 |
| 1998/07/22 | Environmental Protection Agency - Region 9 | - | Mtg Agenda: NIBW technical mtg | 3154 | 10 | 208 | 0218-93379 |
| 1998/07/23 | American Water Works Service Co, Inc | Environmental Protection Agency - Region 9 | Map: Location of contaminated groundwater in vicinity of Paradise Valley Water Co | 3155 | 10 | 210 | 0218-93388 |
| 1998/07/27 | Salt River Project | Environmental Protection Agency - Region 9 | Monthly water quality data summary for 10 sentinel wells, 6/98, w/TL to E Roth fr K Wolf | 3156 | 10 | 212 | 0218-93376 |
| 1998/07/28 | Gutierrez-Palmenberg, Inc | - | City of Scottsdale GWTF monthly rpt, 6/98, w/attchs & TL to E Roth fr M Mahar 7/29/98 | 3157 | 10 | 215 | 0218-02312 |
| 1998/07/29 | Linda Eshelman / McKenzie Laboratories, Inc | Emily Roth / Environmental Protection Agency - Region 9 | Ltr: Summarizes & transmits City of Scottsdale water monitoring rpts for June, w/encls | 3158 | 10 | 278 | 0218-02323 |
| 1998/08/05 | Salt River Project | Environmental Protection Agency - Region 9 | Water quality data for 7 sentinel wells, w/TL to E Roth fr K Wolf 9/11/98 | 3159 | 10 | 280 | 0218-93468 |
| 1998/08/06 | Salt River Project | Environmental Protection Agency - Region 9 | Water level data for UAU/MAU/LAU groundwater monitoring programs, 8/98, w/TL to E Roth fr K Wolf 9/11/98 | 3160 | 10 | 283 | 0218-93464 |
| 1998/08/10 | Gutierrez-Palmenberg, Inc | - | City of Scottsdale GWTF monthly rpt, 7/98, w/attchs & TL to E Roth fr M Mahar 8/27/98 | 3161 | 10 | 289 | 0218-02310 |
| 1998/08/12 | N I B W Participating Cos | - | Maps: TCE plume maps for upper, upper middle, lower middle & lower alluvium units for 4/98, w/TL to E Roth fr R DeWitt 8/24/98 | 3162 | 10 | 335 | 0218-02318 |
| 1998/08/19 | Environmental Protection Agency - Region 9 | - | Mtg Agenda: NIBW technical mtg, w/list of attendees | 3163 | 10 | 341 | 0218-93377 |
| 1998/08/19 | - | - | List of attendees present at EPA community mtg (redacted, FOIA ex 6) | 3164 | 10 | 345 | 0218-93387 |
| 1998/08/19 | Environmental Protection Agency - Region 9 | - | Mtg Agenda: Community involvement mtg, 8/19/98, w/list of attendees (redacted, FOIA ex 6) | 3165 | 10 | 348 | 0218-93716 |
| 1998/08/24 | Hannah Goldstein, resident / City of Scottsdale, AZ | Emily Roth / Environmental Protection Agency - Region 9 | Ltr: Risk assessment at site, VOC emissions | 3166 | 10 | 352 | 0218-93718 |
| 1998/08/26 | Linda Eshelman / McKenzie Laboratories, Inc | Emily Roth / Environmental Protection Agency - Region 9 | Ltr: Summarizes & transmits City of Scottsdale water monitoring rpts for July, w/encls | 3167 | 10 | 354 | 0218-02326 |
| 1998/08/26 | Emily Roth / Environmental Protection Agency - Region 9 | Nichols Hazelwood / N I B W Participating Cos | Ltr: Suggestions for additional model runs of alternatives using new groundwater model, w/attch | 3168 | 10 | 356 | 0218-93364 |
| 1998/09/02 | Emily Roth / Environmental Protection Agency - Region 9 | Terry Lockwood / Motorola, Inc | Ltr: EPA approves design (RD complete/RA start) & authorizes operation of gw treatment & resin air emissions system, w/attchs (05 PRP RA Start 008) | 3169 | 10 | 363 | 0218-02648 |
| 1998/09/08 | Terry Lockwood / Motorola, Inc | Emily Roth / Environmental Protection Agency - Region 9 | Ltr: Response to 9/2/98 ltr providing EPA approval of design & startup of Area 12 groundwater source control system at Scottsdale facility, w/encls | 3170 | 10 | 370 | 0218-93467 |
| 1998/09/09 | Lawrence Schenmeyer / Tracer Research Corp | Emily Roth / Environmental Protection Agency - Region 9 | Ltr: Transmits City of Scottsdale air sample analysis rpts, 8/98, w/encls | 3171 | 10 | 375 | 0218-02377 |
| 1998/09/11 | Robert Copple / Motorola, Inc | Michele Benson / Environmental Protection Agency - Region 9 | Ltr: Transmits memo identifying ARARs for air treatment component of Area 12 system, w/encl | 3172 | 10 | 423 | 0218-02418 |
| 1998/09/15 | Bruce Robinson / AZ Dept of Environmental Quality - Remedial Investigations Hydrology Unit | Stephanie Ciekot / AZ Dept of Environmental Quality | Memo: Review of groundwater model draft rpt dated 8/7/98, w/encl & TL | 3173 | 10 | 433 | 0218-02374 |
| 1998/09/17 | Joseph Flynn / Schafer & Assoc, Inc | Emily Roth / Environmental Protection Agency - Region 9 | Ltr: Transmits contour maps of 8/98 groundwater levels, w/encls | 3174 | 10 | 452 | 0218-02368 |
| 1998/09/17 | Emily Roth / Environmental Protection Agency - Region 9 | Nichols Hazelwood / N I B W Participating Cos | Ltr: EPA & AZDEQ comments on groundwater model & model documentation, w/attchs & TL | 3175 | 10 | 471 | 0218-02370 |
| 1998/09/18 | Stephanie Ciekot / AZ Dept of Environmental Quality | Emily Roth / Environmental Protection Agency - Region 9 | Ltr: Transmits comments on groundwater flow & contaminant transport model rpt, 8/7/98, w/encl | 3176 | 10 | 500 | 0218-02440 |
| 1998/09/30 | John Kemmerer / Environmental Protection Agency - Region 9 | John Wyss / Siemens Microelectronics, Inc | Ltr: Acknowledgement of work performed in Areas 7 & 8 | 3177 | 10 | 510 | 0218-93461 |
| 1998/09/30 | Emily Roth / Environmental Protection Agency - Region 9 | Terry Lockwood / Motorola, Inc | Ltr: Clarification & request for additional information re startup of groundwater source pilot project at Motorola facilty on McDowell Rd | 3178 | 10 | 513 | 0218-93462 |
| 1998/10/00 | Salt River Project | - | Water levels for 10/98 groundwater monitoring programs, w/TL to E Roth fr K Wolf 10/26/98 | 3179 | 10 | 516 | 0218-93551 |
| 1998/10/00 | City of Scottsdale, AZ | - | Draft timeline for Central Groundwater Treatment Facility | 3180 | 10 | 522 | 0218-93555 |
| 1998/10/05 | Maria Mahar / City of Scottsdale, AZ - Dept of Water Resources | Emily Roth / Environmental Protection Agency - Region 9 | Ltr: Summary of past 12 months of GWTF supply well operation | 3181 | 10 | 524 | 0218-93460 |
| 1998/10/05 | Salt River Project | Environmental Protection Agency - Region 9 | Monthly water quality data for 7 Sentinel Wells, 9/98 w/TL | 3182 | 10 | 527 | 0218-93610 |
| 1998/10/06 | Lawrence Schenmeyer / Tracer Research Corp | Emily Roth / Environmental Protection Agency - Region 9 | Ltr: Transmits City of Scottsdale air sample analysis rpts, 9/98, w/encls | 3183 | 10 | 530 | 0218-02455 |
| 1998/10/15 | C H 2 M Hill | Environmental Protection Agency - Region 9 | SOU treatment plant sample results, w/TL & note | 3184 | 10 | 578 | 0218-93864 |
| 1998/10/16 | Herbert Schumann & Assoc | N I B W Participating Cos | Potential for land subsidence in NIBW site, w/TL to E Roth fr N Hazelwood 10/19/98 & encl | 3185 | 10 | 580 | 0218-02373 |
| 1998/10/16 | Winifred Au / C H 2 M Hill | Emily Roth / Environmental Protection Agency - Region 9 | Memo: Status of update VOC emissions study rpt for CGTF, 8/98, w/TL (Redacted, FOIA ex 5) | 3186 | 10 | 619 | 0218-93982 |
| 1998/10/26 | Linda Eshelman / McKenzie Laboratories, Inc | Emily Roth / Environmental Protection Agency - Region 9 | Ltr: Summarizes & transmits City of Scottsdale water monitoring rpts (24) for 9/98, w/encls | 3187 | 10 | 622 | 0218-02475 |
| 1998/10/26 | Salt River Project | Environmental Protection Agency - Region 9 | Monthly water quality data for 10 sentinel wells, 10/98, w/TL | 3188 | 10 | 624 | 0218-93557 |
| 1998/10/27 | Environmental Protection Agency - Region 9 | - | Mtg Agenda: Technical mtg - Central GWTF, Miller Rd update, comments on model, w/attendee list | 3189 | 10 | 627 | 0218-93571 |
| 1998/10/28 | Environmental Protection Agency - Region 9 | - | Mtg Agenda: Community involvement mtg (10/28/98), w/encls | 3190 | 10 | 630 | 0218-93552 |
| 1998/10/29 | Derrik Williams | Emily Roth / Environmental Protection Agency - Region 9 | Technical Memo: Effect of uncertain initial water levels in flow & transport model, w/TL to E Roth fr D Williams 11/6/98 | 3191 | 10 | 636 | 0218-02421 |
| 1998/10/29 | - | - | Total VOC v TCE analysis - presentation by Jim Lutton, 10/29/98 | 3192 | 10 | 656 | 0218-02709 |
| 1998/10/29 | - | - | Mtg Note: List of attendees at Central GWTF air quality mtg, 10/29/98 (redacted, FOIA ex 6) | 3193 | 10 | 733 | 0218-93793 |
| 1998/11/02 | Steven Bennett / City of Scottsdale, AZ - Office of the City Attorney | Michele Benson / Environmental Protection Agency - Region 9 | Ltr: Comments re consent decree & EPA demand for stipulated or civil penalties re operation of Central GWTF (privileged, FOIA ex 5) | 3194 | 10 | 736 | 0218-02831 |
| 1998/11/03 | Errol L Montgomery & Assoc, Inc | Environmental Protection Agency - Region 9 | Analysis of potential conduit wells, Maricopa County, AZ w/TL to E Roth fr N Hazelwood | 3195 | 10 | 738 | 0218-02415 |
| 1998/11/04 | Schafer & Assoc, Inc | Environmental Protection Agency - Region 9 | Groundwater level data (10/98) for contour maps w/encls & TL to E Roth fr J Flynn 11/12/98 | 3196 | 10 | 1006 | 0218-02408 |
| 1998/11/04 | Maria Mahar / City of Scottsdale, AZ - Dept of Water Resources | Emily Roth / Environmental Protection Agency - Region 9 | Ltr: Transmits duplicate set of documents distributed at 10/29/98 mtg re Central GWTF & air quality monitoring w/encls | 3197 | 10 | 1025 | 0218-02473 |
| 1998/11/06 | Lawrence Schenmeyer / Tracer Research Corp | Emily Roth / Environmental Protection Agency - Region 9 | Ltr: Transmits City of Scottsdale air sample analysis rpts, 10/98, w/encls | 3198 | 10 | 1084 | 0218-02472 |
| 1998/11/06 | Michelle De Haan / City of Scottsdale, AZ - Dept of Water Resources | Jeff Stuck / AZ Dept of Environmental Quality - Water Quality Div | Ltr: Transmits well #74 status re 10/98 reservoir 80 rpt, w/encls | 3199 | 10 | 1113 | 0218-93553 |
| 1998/11/09 | Nichols Hazelwood / N I B W Participating Cos | Emily Roth / Environmental Protection Agency - Region 9 | Ltr: List of documents distributed at 10/29/98 mtg re Central GWTF air emissions | 3200 | 10 | 1118 | 0218-93546 |
| 1998/11/12 | C H 2 M Hill | - | Jim Nelson spreadsheet data, TCE treatment plant, (1993 - 1995), w/TL to E Roth fr N Ajmani | 3201 | 10 | 1120 | 0218-02654 |
| 1998/11/13 | N I B W Participating Cos | - | Updated results of groundwater sampling & analysis, Central GWTF facility modifications, v1 of 2, w/TL to E Roth fr N Hazelwood | 3202 | 10 | 1220 | 0218-02409 |
| 1998/11/13 | N I B W Participating Cos | - | Updated results of groundwater sampling & analysis, Central GWTF facility modifications, v2 of 2, laboratory rpts | 3203 | 10 | 1255 | 0218-02410 |
| 1998/11/13 | Stephanie Ciekot / AZ Dept of Environmental Quality | Emily Roth / Environmental Protection Agency - Region 9 | Ltr: Review of (10/16/98) rpt re potential for land subsidence at site | 3204 | 10 | 1519 | 0218-93554 |
| 1998/11/18 | Ronald DeWitt / Errol L Montgomery & Assoc, Inc | - | Summary rpt - construction, development & testing of production water well, w/TL to E Roth fr R DeWitt | 3205 | 10 | 1522 | 0218-02406 |
| 1998/11/19 | Emily Roth / Environmental Protection Agency - Region 9 | Nichols Hazelwood / N I B W Participating Cos | Ltr: Transmits comments re groundwater model & FSA schedule, w/attchs | 3206 | 10 | 1670 | 0218-93542 |
| 1998/11/24 | Linda Eshelman / McKenzie Laboratories, Inc | Emily Roth / Environmental Protection Agency - Region 9 | Ltr: Summarizes & transmits City of Scottsdale water monitoring rpts (22) for 10/98, w/encls | 3207 | 10 | 1675 | 0218-02476 |
| 1998/11/24 | Nichols Hazelwood / N I B W Participating Cos | Emily Roth / Environmental Protection Agency - Region 9 | Ltr: Transmits corrections for updated results of groundwater sampling & analyses, Central GWTF modifications, w/encl | 3208 | 10 | 1677 | 0218-93547 |
| 1998/11/25 | Joe Kullman / Scottsdale Tribune (Newspaper) | - | Newsclipping: City admits monitoring lapse in cleanup of TCE | 3209 | 10 | 1681 | 0218-93621 |
| 1998/11/27 | Stephanie Ciekot / AZ Dept of Environmental Quality | Emily Roth / Environmental Protection Agency - Region 9 | Ltr: Transmits comments on groundwater flow & contaminant transport model, w/encl & TL | 3210 | 10 | 1683 | 0218-93618 |
| 1998/11/27 | Alexa Haussler / Arizona Republic (Newspaper) | - | Newsclipping: Scottsdale accepts penalty on TCE | 3211 | 10 | 1689 | 0218-93622 |
| 1998/11/30 | Terry Lockwood / Motorola, Inc | Emily Roth / Environmental Protection Agency - Region 9 | Ltr: Status of Area 12 soil vapor extraction system | 3212 | 10 | 1691 | 0218-93615 |
| 1998/12/00 | C H 2 M Hill | Environmental Protection Agency - Region 9 | Volatile organic compound (VOC) emissions study rpt for Central GWTF | 3213 | 10 | 1693 | 0218-02470 |
| 1998/12/00 | Gutierrez-Palmenberg, Inc | Environmental Protection Agency - Region 9 | Computer Disks (2): Monthly rpt files for Scottsdale groundwater treatment facility, 7/98 - 12/98, zip files, 3.5in | 3214 | 10 | 1811 | 0218-02691 |
| 1998/12/01 | Marlene Baker / Concerned Citizens About Responsible Environment | Emily Roth / Environmental Protection Agency - Region 9 | Memo: Request for copy of consent decree & transmits Motorola response to concern about emissions project, w/encl (redacted, FOIA 6) | 3215 | 10 | 1815 | 0218-93545 |
| 1998/12/04 | Lawrence Schenmeyer / Tracer Research Corp | Emily Roth / Environmental Protection Agency - Region 9 | Ltr: Transmits City of Scottsdale air sample analysis rpts, 11/98, w/encls | 3216 | 10 | 1820 | 0218-02474 |
| 1998/12/07 | Maria Mahar / City of Scottsdale, AZ - Dept of Water Resources | Carroll Dekle / Maricopa County, AZ - Environmental Services Dept | Ltr: Transmits air sample results (11/23-12/4/98) & Central GWTF fact sheet | 3217 | 10 | 1871 | 0218-93654 |
| 1998/12/11 | Derrick Williams / Derrik Williams | Emily Roth / Environmental Protection Agency - Region 9 | Ltr: Model modifications re pumping distribution at wells COS 71 & COS 72, w/encls & TL to E Roth fr D Williams | 3218 | 10 | 1877 | 0218-02452 |
| 1998/12/11 | Derrick Williams / Derrik Williams | Emily Roth / Environmental Protection Agency - Region 9 | TL: Preliminary information for 12/16/98 mtg re model modifications, pumping & recharge simulations & draft percent reduction in mass charts | 3219 | 10 | 1903 | 0218-93648 |
| 1998/12/14 | C H 2 M Hill | Environmental Protection Agency - Region 9 | Health risk assessment for COS Central GWTF, w/TLs | 3220 | 10 | 1905 | 0218-02469 |
| 1998/12/15 | Maria Mahar / City of Scottsdale, AZ | Emily Roth / Environmental Protection Agency - Region 9 | Ltr: Air quality inspection of Central GWTF, w/encls | 3221 | 10 | 2080 | 0218-02442 |
| 1998/12/16 | Derrik Williams | Environmental Protection Agency - Region 9 | Computer Disk: Self-extracting file for updated groundwater model, w/TL fr D Williams 12/17/98 | 3222 | 10 | 2086 | 0218-02647 |
| 1998/12/16 | Environmental Protection Agency - Region 9 | - | Mtg Agenda: NIBW model/FS addendum alternatives | 3223 | 10 | 2090 | 0218-93570 |
| 1998/12/22 | Linda Eshelman / McKenzie Laboratories, Inc | Emily Roth / Environmental Protection Agency - Region 9 | Ltr: Summarizes & transmits City of Scottsdale water monitoring rpts (19) for 11/98, w/encls | 3224 | 10 | 2092 | 0218-02463 |
| 1998/12/23 | Emily Roth / Environmental Protection Agency - Region 9 | Nichols Hazelwood / N I B W Participating Cos | Ltr: Revised schedule per 12/16/98 mtg for FS addendum (FSA) | 3225 | 10 | 2094 | 0218-93567 |
| 1999/01/00 | Salt River Project | Environmental Protection Agency - Region 9 | Water level data rpts for UAU/MAU/LAU gw monitoring programs, (12/98 - 1/99), w/TLs to E Roth fr K Wolf 2/5/99 | 3226 | 10 | 2096 | 0218-02451 |
| 1999/01/04 | N I B W Participating Cos | Environmental Protection Agency - Region 9 | Semi-annual rpt, (7/98-12/98) summarizing activities to comply with consent decree for OU #1, w/TL to E Roth fr N Hazelwood | 3227 | 10 | 2107 | 0218-02471 |
| 1999/01/05 | Lawrence Schenmeyer / Tracer Research Corp | Emily Roth / Environmental Protection Agency - Region 9 | Ltr: Transmits City of Scottsdale air sample analysis rpts, 12/98, w/encls | 3228 | 10 | 2118 | 0218-02566 |
| 1999/01/12 | Derrik Williams | Emily Roth / Environmental Protection Agency - Region 9 | Ltr: NIBW Model graphics requested at 12/16/98 technical mtg | 3229 | 10 | 2141 | 0218-02495 |
| 1999/01/14 | Karol Wolf / Salt River Project | Emily Roth / Environmental Protection Agency - Region 9 | Ltr: Transmits water quality data for gw monitoring program, 10/98, w/encls | 3230 | 10 | 2377 | 0218-02427 |
| 1999/01/18 | Susan Wienand / Harding Lawson Assoc | Emily Roth / Environmental Protection Agency - Region 9 | Ltr: Suggestion that listed combinations of remedial actions be considered for further analysis in FS addendum | 3231 | 10 | 2379 | 0218-93653 |
| 1999/01/19 | Joseph Flynn / Environmental Management Consultants Corp | Emily Roth / Environmental Protection Agency - Region 9 | Ltr: Transmits contour maps of 12/98 groundwater levels for monitoring wells of UAU, MAU & LAU, w/encls | 3232 | 10 | 2382 | 0218-02447 |
| 1999/01/19 | Concerned Citizens About Responsible Environment | - | Mtg Agenda: EPA citizens mtg, 1/19/99 - FS, questions re air & water testing, containment & clean up, w/attendees list | 3233 | 10 | 2402 | 0218-93596 |
| 1999/01/20 | - | - | Fact sheet for public mtg, 1/20/99 | 3234 | 10 | 2405 | 0218-93582 |
| 1999/01/20 | - | - | List of attendees for technical mtg, 1/20/99 | 3235 | 10 | 2407 | 0218-93600 |
| 1999/01/20 | Environmental Protection Agency - Region 9 | - | Mtg Agenda: Community involvement group mtg, 1/20/99, w/attch | 3236 | 10 | 2409 | 0218-93619 |
| 1999/01/20 | Environmental Protection Agency - Region 9 | - | Mtg Agenda: Technical mtg, 1/20/99 | 3237 | 10 | 2412 | 0218-93658 |
| 1999/01/21 | William Quinn / Shea & Wilks (Attorneys) | Emily Roth / Environmental Protection Agency - Region 9 | Ltr: Request that issue of land subsidence be placed on agenda of 3/24/99 mtg | 3238 | 10 | 2414 | 0218-93695 |
| 1999/01/26 | Linda Eshelman / McKenzie Laboratories, Inc | Emily Roth / Environmental Protection Agency - Region 9 | Ltr: Summarizes & transmits City of Scottsdale water monitoring rpts (23) for 12/98, w/encls | 3239 | 10 | 2416 | 0218-02490 |
| 1999/01/28 | Emily Roth / Environmental Protection Agency - Region 9 | Susan Wienand / N I B W Participating Cos | Ltr: Recommendations for additional alternatives for evaluation in FS amendment | 3240 | 10 | 2418 | 0218-93651 |
| 1999/02/08 | Harding Lawson Assoc | N I B W Participating Cos | Final construction rpt - modifications to Central GWTF, w/TL to N Hazelwood fr R Borrego 2/16/99 | 3241 | 10 | 2421 | 0218-02428 |
| 1999/02/09 | N I B W Participating Cos | - | Maps: Plume maps fr 1/20/99 technical mtg - TCE model results of runs for action L, layers 3 & 6, w/TL to E Roth fr N Hazelwood | 3242 | 10 | 2442 | 0218-02487 |
| 1999/02/11 | Nichols Hazelwood / N I B W Participating Cos | Emily Roth / Environmental Protection Agency - Region 9 | Ltr: Acknowledgement of 1/29/99 ltr re recommendations for additional alternatives for evaluation in FS addendum (FSA) & rev schedule | 3243 | 10 | 2452 | 0218-93565 |
| 1999/02/12 | Joseph Flynn / Environmental Management Consultants Corp | Emily Roth / Environmental Protection Agency - Region 9 | Ltr: Transmits contour maps of 1/99 groundwater levels, w/encls | 3244 | 10 | 2455 | 0218-02431 |
| 1999/02/12 | Joseph Flynn / Environmental Management Consultants Corp | Emily Roth / Environmental Protection Agency - Region 9 | Ltr: Transmits contour maps of 12/97 to 12/98 groundwater level changes, w/encls | 3245 | 10 | 2477 | 0218-02432 |
| 1999/02/15 | Hannah Goldstein, resident / City of Scottsdale, AZ | Emily Roth / Environmental Protection Agency - Region 9 | Ltr: Concern over receipt of material, emissions issues | 3246 | 11 | 1 | 0218-93719 |
| 1999/02/16 | Hannah Goldstein | Emily Roth / Environmental Protection Agency - Region 9 | Ltr: Comments on site cleanup & request for briefing book (redacted, FOIA ex 6) | 3247 | 11 | 3 | 0218-94000 |
| 1999/02/17 | Robert Romano | Emily Roth / Environmental Protection Agency - Region 9 | Ltr: Comments re draft briefing book, air emissions (redacted, FOIA ex 6) | 3248 | 11 | 7 | 0218-93714 |
| 1999/02/19 | Joseph Flynn / Environmental Management Consultants Corp | Emily Roth / Environmental Protection Agency - Region 9 | Ltr: Transmits contour maps of historical groundwater levels for wells screened across lower portion of MAU, w/encls | 3249 | 11 | 11 | 0218-02446 |
| 1999/02/19 | Hannah Goldstein, resident / City of Scottsdale, AZ | Emily Roth / Environmental Protection Agency - Region 9 | Ltr: Remediation process & request for briefing book, w/attch (redacted, FOIA ex 6) | 3250 | 11 | 43 | 0218-93717 |
| 1999/02/23 | Hannah Goldstein, resident / City of Scottsdale, AZ | Emily Roth / Environmental Protection Agency - Region 9 | Ltr: Request that air emission issue be placed on next mtg agenda, request for briefing book (redacted, FOIA ex 6) | 3251 | 11 | 47 | 0218-93701 |
| 1999/02/24 | Linda Eshelman / McKenzie Laboratories, Inc | Emily Roth / Environmental Protection Agency - Region 9 | Ltr: Summarizes & transmits City of Scottsdale water monitoring rpts for 1/99, w/encls | 3252 | 11 | 51 | 0218-02430 |
| 1999/02/24 | Stephanie Ciekot / AZ Dept of Environmental Quality | Emily Roth / Environmental Protection Agency - Region 9 | Ltr: Review of 12/98 gw level contour map, 12/97 - 12/98 gw level change maps & 1/99 gw levels | 3253 | 11 | 53 | 0218-93566 |
| 1999/03/00 | Gutierrez-Palmenberg, Inc | - | Computer Disks (4): City of Scottsdale GWTF monthly files, (6/98 - 3/99), w/TL | 3254 | 11 | 55 | 0218-02595 |
| 1999/03/02 | Emily Roth / Environmental Protection Agency - Region 9 | Nichols Hazelwood / N I B W Participating Cos | Ltr: Request that NIBW Cos present FS addendum (FSA) briefings to technical group & Citizens Involvement Group (CIG) | 3255 | 11 | 62 | 0218-93569 |
| 1999/03/04 | U R S Corp - U R S Greiner Woodward Clyde | - | Data fr Area 12 air stripper start-up period, w/TL to T Lockwood fr B Aiken | 3256 | 11 | 65 | 0218-93590 |
| 1999/03/15 | Hannah Goldstein, resident / City of Scottsdale, AZ | Emily Roth / Environmental Protection Agency - Region 9 | Ltr: Transmits correspondence to E Roth re site cleanup, w/encls (redacted, FOIA ex 6) | 3257 | 11 | 70 | 0218-02884 |
| 1999/03/15 | Maria Mahar / City of Scottsdale, AZ - Dept of Water Resources | Hannah Goldstein, resident / City of Scotts Valley | TL: Air emissions rpts for Central GWTF for 1994-97 | 3258 | 11 | 89 | 0218-93580 |
| 1999/03/19 | Motorola, Inc | - | Meeting presentation for FS addendum (FSA) groundwater flow & solute transport model - overview of site history | 3259 | 11 | 91 | 0218-02461 |
| 1999/03/24 | Environmental Protection Agency - Region 9 | - | Mtg Agenda: Technical mtg, 3/24/99, w/attendee list | 3260 | 11 | 126 | 0218-93583 |
| 1999/03/24 | Environmental Protection Agency - Region 9 | - | Mtg Agenda: Community involvement group | 3261 | 11 | 129 | 0218-93588 |
| 1999/03/26 | Linda Eshelman / McKenzie Laboratories, Inc | Emily Roth / Environmental Protection Agency - Region 9 | Ltr: Summarizes & transmits City of Scottsdale water monitoring rpts(19) for 2/99, w/encls | 3262 | 11 | 131 | 0218-02465 |
| 1999/03/26 | N I B W Participating Cos | - | Draft FS addendum (FSA), v1, w/TL to E Roth fr S Wienand | 3263 | 11 | 133 | 0218-02477 |
| 1999/03/26 | N I B W Participating Cos | - | Draft FS addendum (FSA), v2 | 3264 | 11 | 455 | 0218-02478 |
| 1999/03/26 | N I B W Participating Cos | - | Draft FS addendum (FSA), v3 | 3265 | 11 | 947 | 0218-02479 |
| 1999/03/26 | N I B W Participating Cos | - | Draft FS addendum (FSA), v4 | 3266 | 11 | 1210 | 0218-02480 |
| 1999/03/29 | Gutierrez-Palmenberg, Inc | Environmental Protection Agency - Region 9 | Data summary spreadsheets for water, air & maintenance activities at City of Scottsdale GWTF (1/98 - 2/99), w/TLs | 3267 | 11 | 1458 | 0218-02482 |
| 1999/04/00 | N I B W Participating Cos | - | FS addendum to groundwater model final rpt, v2, apps | 3268 | 11 | 1460 | 0218-02483 |
| 1999/04/00 | N I B W Participating Cos | - | FS addendum to groundwater model final rpt, v1, w/TL 4/23/99 | 3269 | 11 | 1617 | 0218-02502 |
| 1999/04/02 | Arizona Republic (Newspaper) | - | Newsclip: Comment sought on TCE cleanup work, w/TL to E Roth fr N Hazelwood 4/5/99 | 3270 | 11 | 1885 | 0218-93611 |
| 1999/04/13 | Levine-Fricke | S M I Holding L L C | Start-up plan for MAU groundwater extraction & treatment system, Area 7, w/TL to E Roth fr J Lutton | 3271 | 11 | 1887 | 0218-02448 |
| 1999/04/14 | Errol L Montgomery & Assoc, Inc | - | Maps (4): Concentrations of TCE in upper, upper middle, lower middle & lower alluvium unit wells, 10/98, w/TL to E Roth fr R DeWitt 4/26/99 | 3272 | 11 | 1929 | 0218-02492 |
| 1999/04/14 | Emily Roth / Environmental Protection Agency - Region 9 | Bob LeWitter | Memo: Comments re draft FS addendum, w/TL to N Hazelwood fr E Roth (redacted, FOIA ex 6) | 3273 | 11 | 1935 | 0218-93642 |
| 1999/04/16 | N I B W Participating Cos | Environmental Protection Agency - Region 9 | Computer Disk (zip): Response to 4/99 EPA request for information (media cabinet) | 3274 | 11 | 1940 | 0218-02622 |
| 1999/04/16 | - | - | Computer Disk: NIBW response to EPA request, 4/99 (Iomega zip disk) | 3275 | 11 | 1943 | 0218-02689 |
| 1999/04/16 | Nichols Hazelwood / N I B W Participating Cos | Emily Roth / Environmental Protection Agency - Region 9 | Ltr: Requests copies of documents & workplans re proposed revision of Central GWTF health risk assessment, w/encl | 3276 | 11 | 1946 | 0218-93578 |
| 1999/04/18 | Archie Mones | Emily Roth / Environmental Protection Agency - Region 9 | Memo: Request for evidence to support conclusions about TCE exposure limits & information about MTBE (redacted, FOIA ex 6) | 3277 | 11 | 1951 | 0218-93585 |
| 1999/04/18 | John Yantis / Scottsdale Tribune (Newspaper) | - | Article: Water safe to drink, experts say (Scottsdale Tribune, A7) | 3278 | 11 | 1954 | 0218-93795 |
| 1999/04/18 | John Yantis / Scottsdale Tribune (Newspaper) | - | Newsclip: Toxic Task - Nearly 50 years later, Scottsdale gains ground in cleanup of deadly TCE contamination | 3279 | 11 | 1956 | 0218-93860 |
| 1999/04/21 | Environmental Protection Agency - Region 9 | - | Mtg Note: List of attendees at 4/21/99 legal mtg | 3280 | 11 | 1961 | 0218-93803 |
| 1999/04/22 | Emily Roth / Environmental Protection Agency - Region 9 | Archie Mones | Memo: Response to request for confirmation about toxic effects of TCE, w/attch (redacted, FOIA ex 6) | 3281 | 11 | 1963 | 0218-93586 |
| 1999/04/22 | Jon Flick / Town of Paradise Valley Independent | - | Newsclip: Drinking water safe, says Superfund rpt | 3282 | 11 | 1967 | 0218-93798 |
| 1999/04/23 | Linda Eshelman / McKenzie Laboratories, Inc | Emily Roth / Environmental Protection Agency - Region 9 | Ltr: Summarizes & transmits City of Scottsdale water monitoring rpts for 3/99, w/encls | 3283 | 11 | 1971 | 0218-02488 |
| 1999/04/26 | Felicia Marcus / Environmental Protection Agency - Region 9 | Hannah Goldstein, resident / City of Scottsdale, AZ | Ltr: Response to request for information on FS addendum (FSA), land subsidence & VOCs | 3284 | 11 | 1973 | 0218-93614 |
| 1999/04/26 | William Quinn / Shea & Wilks (Attorneys) | Emily Roth / Environmental Protection Agency - Region 9 | Ltr: Comments on FS addendum & final cleanup remedy | 3285 | 11 | 1976 | 0218-93631 |
| 1999/04/27 | Kathleen Ingley / Arizona Republic (Newspaper) | - | Newsclip: Valley pumping too much water, w/TL to E Roth S Ciekot 4/29/99 | 3286 | 11 | 1979 | 0218-93646 |
| 1999/04/28 | Environmental Protection Agency - Region 9 | - | Mtg Agenda: Community involvement group mtg, 4/28/99, w/list of attendees (redacted, FOIA ex 6) | 3287 | 11 | 1982 | 0218-93645 |
| 1999/04/30 | Andrew Koch / Tracer Research Corp | Emily Roth / Environmental Protection Agency - Region 9 | Ltr: Transmits City of Scottsdale air sample analysis rpts, 4/99, w/encls | 3288 | 11 | 1987 | 0218-02605 |
| 1999/05/06 | Jon Flick / Town of Paradise Valley Independent | - | Newsclip: EPA mtg focuses upon area fissure | 3289 | 11 | 2032 | 0218-93641 |
| 1999/05/10 | Bob LeWitter | Emily Roth / Environmental Protection Agency - Region 9 | Memo: Draft of comments on FS addendum (redacted, FOIA ex 6) | 3290 | 11 | 2035 | 0218-93639 |
| 1999/05/11 | Bruce Robinson / AZ Dept of Environmental Quality | Emily Roth / Environmental Protection Agency - Region 9 | Memo: Comments re proposed modeling scenario | 3291 | 11 | 2038 | 0218-93636 |
| 1999/05/11 | Hannah Goldstein, resident / City of Scottsdale, AZ | Emily Roth / Environmental Protection Agency - Region 9 | Ltr: Concern re EPA acceptance of 3/99 FS addendum | 3292 | 11 | 2040 | 0218-93804 |
| 1999/05/12 | Kelly Ensor / C H 2 M Hill | Robert Frank / C H 2 M Hill | Air analysis rpts for City of Scottsdale groundwater treatment project - 1/27/99, 2/11/99 & 5/12/99, w/TLs | 3293 | 11 | 2042 | 0218-02515 |
| 1999/05/13 | David Mansfield / City of Scottsdale, AZ - Dept of Water Resources | Emily Roth / Environmental Protection Agency - Region 9 | Ltr: Comments on draft FS addendum | 3294 | 11 | 2153 | 0218-93629 |
| 1999/05/13 | Thomas Milch / Arnold & Porter (Attorneys) | Michele Benson / Environmental Protection Agency - Region 9 | Ltr: Participating Cos response to 4/21/99 mtg re revision of FS addendum | 3295 | 11 | 2159 | 0218-93634 |
| 1999/05/14 | Archie Mones | Emily Roth / Environmental Protection Agency - Region 9 | Ltr: Comments on draft FS addendum (redacted, FOIA ex 6) | 3296 | 11 | 2162 | 0218-93921 |
| 1999/05/15 | Marlene Baker / Community Involvement Group | Emily Roth / Environmental Protection Agency - Region 9 | Ltr: Response to FS addendum, 3/26/99 | 3297 | 11 | 2167 | 0218-93722 |
| 1999/05/16 | Archie Mones / Scottsdale Tribune (Newspaper) | Emily Roth / Environmental Protection Agency - Region 9 | Memo: Correction to 5/14/99 article re comments on draft FS addendum | 3298 | 11 | 2171 | 0218-93633 |
| 1999/05/18 | Emily Roth / Environmental Protection Agency - Region 9 | Bob LeWitter | Memo: Mtg for 5/26/99 has been cancelled, draft FS addendum comments will become part of public record | 3299 | 11 | 2173 | 0218-93637 |
| 1999/05/21 | Emily Roth / Environmental Protection Agency - Region 9 | Hannah Goldstein / North Indian Bend Wash Citizen Involvement Group | Memo: Response to 5/11/99 fax re evaluation of draft FS addendum, w/attch | 3300 | 11 | 2175 | 0218-93626 |
| 1999/05/22 | City of Scottsdale, AZ - Dept of Water Resources | - | Monthly totals for water produced at well 74, (1/94 - 4/99), w/TL | 3301 | 11 | 2178 | 0218-93704 |
| 1999/05/24 | N I B W Participating Cos | - | Maps: Plume maps for alternatives 1-4, FS addendum, w/TL to E Roth fr N Hazelwood | 3302 | 11 | 2181 | 0218-02489 |
| 1999/05/24 | N I B W Participating Cos | Environmental Protection Agency - Region 9 | Plume maps for FS addendum alternatives 1-4, w/TL to E Roth fr N Hazelwood | 3303 | 11 | 2219 | 0218-02549 |
| 1999/05/25 | Tena Dischler / North Indian Bend Wash Citizen Involvement Group | Emily Roth / Environmental Protection Agency - Region 9 | Ltr: Preliminary comments re 3/26/99 draft FS addendum (redacted, FOIA ex 6) | 3304 | 11 | 2257 | 0218-93628 |
| 1999/05/26 | Linda Eshelman / McKenzie Laboratories, Inc | Emily Roth / Environmental Protection Agency - Region 9 | Ltr: Summarizes & transmits City of Scottsdale water monitoring rpts for 4/99, w/encls | 3305 | 11 | 2264 | 0218-02597 |
| 1999/05/27 | - | - | Materials fr environmental & natural resources management mtg, 5/27/98, w/TL to E Roth fr M Bolitho 6/2/99 | 3306 | 11 | 2266 | 0218-93794 |
| 1999/06/01 | Derrick Williams / Derrik Williams | - | Modeling results fr EPA requested alternative, w/TL to E Roth fr D Williams | 3307 | 11 | 2272 | 0218-02537 |
| 1999/06/01 | Hannah Goldstein, resident / City of Scottsdale, AZ | Rita Pearson / AZ Dept of Water Resources | Ltr: Request for GPS gw monitoring to establish benchmarks for land subsidence measurements, w/TL to E Roth 6/5/99 | 3308 | 11 | 2288 | 0218-93788 |
| 1999/06/07 | Lawrence Shenmeyer / Tracer Research Corp | Emily Roth / Environmental Protection Agency - Region 9 | Ltr: Transmits City of Scottsdale air sample analysis rpts, 5/99, w/encls | 3309 | 11 | 2294 | 0218-02512 |
| 1999/06/07 | Thomas Milch / Arnold & Porter (Attorneys) | Michele Benson / Environmental Protection Agency - Region 9 | Ltr: Comments on communications to & fr contractors, stakeholders & public re FS addendum, w/encl | 3310 | 11 | 2330 | 0218-93745 |
| 1999/06/21 | Derrik Williams | Environmental Protection Agency - Region 9 | Computer Disk: MODFLOW input files for EPA requested alternative, w/TL to E Roth fr D Williams | 3311 | 11 | 2335 | 0218-02594 |
| 1999/06/21 | Nichols Hazelwood / N I B W Participating Cos | Emily Roth / Environmental Protection Agency - Region 9 | Ltr: Model simulation & input files | 3312 | 11 | 2339 | 0218-93802 |
| 1999/06/22 | Linda Eshelman / McKenzie Laboratories, Inc | Emily Roth / Environmental Protection Agency - Region 9 | Ltr: Summarizes & transmits City of Scottsdale water monitoring rpts for 5/99, w/encls | 3313 | 11 | 2343 | 0218-02608 |
| 1999/06/30 | James McVeigh / Paradise Valley Water Co | Emily Roth / Environmental Protection Agency - Region 9 | Ltr: Comments on draft FS addendum | 3314 | 11 | 2345 | 0218-93748 |
| 1999/06/30 | - | - | Mtg Notes: List of attendees at FS addendum comment mtg, 6/30/99 | 3315 | 11 | 2349 | 0218-93792 |
| 1999/07/00 | Salt River Project | - | Water level rpt for 7/99, w/TL to E Roth fr K Wolf 8/5/99 | 3316 | 11 | 2351 | 0218-93763 |
| 1999/07/12 | Karol Wolf / Salt River Project | Emily Roth / Environmental Protection Agency - Region 9 | Ltr: Transmits water quality rpt for 2nd quarter 1999, w/encls | 3317 | 11 | 2357 | 0218-02521 |
| 1999/07/14 | - | - | Mtg Notes: List of attendees at technical mtg, 7/14/99 | 3318 | 11 | 2359 | 0218-93791 |
| 1999/07/15 | N I B W Participating Cos | Environmental Protection Agency - Region 9 | Semi-annual rpt for OU1, (1/99 - 7/99), w/TL to E Roth fr N Hazelwood | 3319 | 11 | 2361 | 0218-02547 |
| 1999/07/15 | Emily Roth / Environmental Protection Agency - Region 9 | Michael Montgomery / Environmental Protection Agency - Region 9 | Email: Agenda for 7/21/99 mtg | 3320 | 11 | 2370 | 0218-93715 |
| 1999/07/20 | Linda Eshelman / McKenzie Laboratories, Inc | Emily Roth / Environmental Protection Agency - Region 9 | Ltr: Summarizes & transmits City of Scottsdale water monitoring rpts for 6/99, w/encls | 3321 | 11 | 2372 | 0218-02598 |
| 1999/07/21 | Environmental Protection Agency - Region 9 | - | Mtg Agenda: Finalization of FS addendum, w/attch | 3322 | 11 | 2374 | 0218-93751 |
| 1999/07/22 | Andrew Koch / Tracer Research Corp | Emily Roth / Environmental Protection Agency - Region 9 | Ltr: Transmits City of Scottsdale air sample analysis rpts, 6/99, w/encls | 3323 | 11 | 2377 | 0218-02561 |
| 1999/07/30 | Steven Bennett / City of Scottsdale, AZ | Linda Pollock / AZ Office of Attorney General | Ltr: Comments to be included in ltr re FS addendum | 3324 | 11 | 2402 | 0218-93702 |
| 1999/08/02 | Rita Pearson / AZ Dept of Water Resources | Tena Dischler, resident / City of Scottsdale, AZ | Ltr: Response re land subsidence at site as result of gw pumping, w/attchs (Redacted, FOIA ex 6) | 3325 | 12 | 1 | 0218-02623 |
| 1999/08/03 | Andrew Koch / Tracer Research Corp | Emily Roth / Environmental Protection Agency - Region 9 | Ltr: Transmits City of Scottsdale air sample analysis rpts, 7/99, w/encls | 3326 | 12 | 11 | 0218-02606 |
| 1999/08/04 | Jean Calhoun / AZ Dept of Environmental Quality | Keith Takata / Environmental Protection Agency - Region 9 | Ltr: Comments re draft FS addendum, dated 3/26/99, w/env | 3327 | 12 | 69 | 0218-93724 |
| 1999/08/10 | Emily Roth / Environmental Protection Agency - Region 9 | Nichols Hazelwood / N I B W Participating Cos | Ltr: EPA comments on Participating Cos draft FS addendum, 3/26/99, w/attch | 3328 | 12 | 73 | 0218-02545 |
| 1999/08/11 | Brad Cross / Levine-Fricke-Recon | Emily Roth / Environmental Protection Agency - Region 9 | Memo: Info for 8/12/99 presentation, w/encls | 3329 | 12 | 108 | 0218-02695 |
| 1999/08/12 | Tena Dischler / North Indian Bend Wash Citizen Involvement Group | Emily Roth / Environmental Protection Agency - Region 9 | Ltr: Comments on site cleanup re groundwater treatment (redacted, FOIA ex 6) | 3330 | 12 | 168 | 0218-93991 |
| 1999/08/13 | Joseph Flynn / Environmental Management Consultants Corp | Emily Roth / Environmental Protection Agency - Region 9 | Ltr: Transmits contour maps of 7/99 groundwater levels, w/encls | 3331 | 12 | 171 | 0218-02513 |
| 1999/08/20 | Donald Netko / Motorola, Inc | Keith Takata / Environmental Protection Agency - Region 9 | Ltr: Appreciation of EPA assistance in achieving final resolution of FS addendum process | 3332 | 12 | 193 | 0218-93732 |
| 1999/08/20 | Marlene Baker / Concerned Citizens About Responsible Environment | Emily Roth / Environmental Protection Agency - Region 9 | Email: Confirming 9/15/99 CIG meeting date, w/email copy of ltr to E Roth fr M Baker re providing information to stakeholders | 3333 | 12 | 195 | 0218-93854 |
| 1999/08/24 | Linda Eshelman / McKenzie Laboratories, Inc | Emily Roth / Environmental Protection Agency - Region 9 | Ltr: Summarizes & transmits City of Scottsdale water monitoring rpts for 7/99, w/encls | 3334 | 12 | 199 | 0218-02596 |
| 1999/09/00 | Gutierrez-Palmenberg, Inc | Environmental Protection Agency - Region 9 | Computer Disk: Monthly rpt files for City of Scottsdale groundwater treatment facility, 7/99 - 9/99, zip files, 3.5in | 3335 | 12 | 201 | 0218-02690 |
| 1999/09/01 | - | - | Sign-in sheet for NIBW meeting, 9/1/99 | 3336 | 12 | 204 | 0218-93851 |
| 1999/09/01 | Environmental Protection Agency - Region 9 | - | Mtg Agenda: September NIBW technical meeting, 9/1/99, CH2M Hill, Tempe | 3337 | 12 | 206 | 0218-93859 |
| 1999/09/08 | Donald Netko / Motorola, Inc | Ketih Takata / Environmental Protection Agency - Region 9 | Ltr: Status of site FS addendum (FSA) | 3338 | 12 | 208 | 0218-93815 |
| 1999/09/09 | Nichols Hazelwood / N I B W Participating Cos | Emily Roth / Environmental Protection Agency - Region 9 | Ltr: Documents distributed at 9/1/99 technical mtg | 3339 | 12 | 211 | 0218-93725 |
| 1999/09/10 | Michael Montgomery / Environmental Protection Agency - Region 9 | Donald Netko / Motorola, Inc | Ltr: Evaluation of area 7 | 3340 | 12 | 214 | 0218-93995 |
| 1999/09/16 | Nichols Hazelwood / N I B W Participating Cos | Emily Roth / Environmental Protection Agency - Region 9 | Ltr: Oversight reductions at Central GWTF after columns 2 & 3 enhancements | 3341 | 12 | 216 | 0218-93723 |
| 1999/09/21 | Linda Eshelman / McKenzie Laboratories, Inc | Emily Roth / Environmental Protection Agency - Region 9 | Ltr: Summarizes & transmits City of Scottsdale water monitoring rpts for 8/99, w/encls | 3342 | 12 | 219 | 0218-02599 |
| 1999/09/21 | Environmental Protection Agency - Region 9 | - | Mtg Agenda: Technical mtg, 9/21/99, w/encl & attendee list | 3343 | 12 | 221 | 0218-93754 |
| 1999/09/21 | Mike Girgorieff / C H 2 M Hill | Emily Roth / Environmental Protection Agency - Region 9 | Correction tables for CGWTF risk assessment (3) | 3344 | 12 | 225 | 0218-93814 |
| 1999/09/22 | Environmental Protection Agency - Region 9 | - | Mtg Note: Community involvement group mtg, 9/22/99, w/encls | 3345 | 12 | 229 | 0218-02564 |
| 1999/09/22 | Environmental Protection Agency - Region 9 | - | Mtg Notice: Community participation mtg, 9/22/99 | 3346 | 12 | 264 | 0218-93734 |
| 1999/09/27 | Jeffrey Swanson / C H 2 M Hill | Emily Roth / Environmental Protection Agency - Region 9 | Email: Transmits memo re potential for land subsidence at site, dated 10/16/98, w/encl | 3347 | 12 | 266 | 0218-93737 |
| 1999/09/27 | Richard Hutchinson / City of Scottsdale, AZ | Emily Roth / Environmental Protection Agency - Region 9 | Ltr: Comments re 9/22/99 mtg, w/o encl | 3348 | 12 | 269 | 0218-93989 |
| 1999/09/28 | Nichols Hazelwood / N I B W Participating Cos | Emily Roth / Environmental Protection Agency - Region 9 | Ltr: Model run for alternative 5A | 3349 | 12 | 271 | 0218-93739 |
| 1999/09/30 | Maria Mahar / City of Scottsdale, AZ - Dept of Water Resources | Judy Anthony / Maricopa County, AZ - Environmental Services Dept | Ltr: Discusses & transmits revised 1994 air emissions inventory for City of Scottsdale GWTF & offer to provide 1998 data, w/encl | 3350 | 12 | 273 | 0218-02659 |
| 1999/10/00 | Salt River Project | Environmental Protection Agency - Region 9 | Water level rpt for UAU/MAU/LAU groundwater monitoring programs, w/TL to E Roth fr K Wolf 11/4/99 | 3351 | 12 | 317 | 0218-93821 |
| 1999/10/06 | Errol L Montgomery & Assoc, Inc | Environmental Protection Agency - Region 9 | TCE concentration data for monitor wells & pumpage data for extraction wells, w/TL to E Roth fr L Katz | 3352 | 12 | 323 | 0218-02552 |
| 1999/10/07 | Andrew Koch / Tracer Research Corp | Emily Roth / Environmental Protection Agency - Region 9 | Ltr: Transmits City of Scottsdale air sample analysis rpts, 9/99, w/encls | 3353 | 12 | 381 | 0218-02601 |
| 1999/10/08 | Errol L Montgomery & Assoc, Inc | - | Summary of pumping assumptions for alternative 5A simulation, w/TL fr L Katz to E Roth | 3354 | 12 | 419 | 0218-93990 |
| 1999/10/09 | Diana Balazs / Arizona Republic (Newspaper) | - | Newsclip: EPA cloud lifted for 800 homes | 3355 | 12 | 422 | 0218-93805 |
| 1999/10/12 | Gutierrez-Palmenberg, Inc | Environmental Protection Agency - Region 9 | Computer Disk: City of Scottsdale GWTF monthly files (4/99-6/99), w/TL to E Roth fr J Weed | 3356 | 12 | 427 | 0218-02551 |
| 1999/10/22 | Linda Eshelman / McKenzie Laboratories, Inc | Emily Roth / Environmental Protection Agency - Region 9 | Ltr: Summarizes & transmits City of Scottsdale water monitoring rpts for 9/99, w/encls | 3357 | 12 | 431 | 0218-02562 |
| 1999/10/26 | Maurice Tatlow / AZ Dept of Water Resources | Greg Wallace / AZ Dept of Water Resources | Memo: Land subsidence monitoring network for site | 3358 | 12 | 433 | 0218-93755 |
| 1999/10/27 | Kelly Ensor / C H 2 M Hill | Jeff Swanson / C H 2 M Hill | Ltr: Analytical data for City of Scottsdale GWTF air analyses 10/99, for volatile organics, w/attchs & TL to E Roth fr J Swanson 11/3/99 | 3359 | 12 | 435 | 0218-02672 |
| 1999/10/27 | Environmental Protection Agency - Region 9 | - | Mtg Agenda: Community involvement group (CIG), 10/27/99, w/attendee list (redacted, FOIA ex 6) | 3360 | 12 | 455 | 0218-93979 |
| 1999/10/28 | Environmental Protection Agency - Region 9 | - | Mtg Notice: Technical mtg, 10/28/99, w/attendee list & attchs | 3361 | 12 | 459 | 0218-02604 |
| 1999/10/28 | Derrik Williams | - | Technical meeting graphics & data, 10/28/99, w/TL to E Roth fr D Williams 11/6/99 | 3362 | 12 | 646 | 0218-02657 |
| 1999/10/28 | - | - | Computer Disk: NIBW technical meeting, wellhead & plume area data, 10/28/99, Excel, 3.5in (2 copies) | 3363 | 12 | 675 | 0218-02688 |
| 1999/10/28 | Archie Mones | Emily Roth / Environmental Protection Agency - Region 9 | Email: Comments re risk assessment (redacted, FOIA ex 6) | 3364 | 12 | 679 | 0218-93981 |
| 1999/10/29 | Andrew Koch / Tracer Research Corp | Emily Roth / Environmental Protection Agency - Region 9 | Ltr: Transmits City of Scottsdale air sample analysis rpts, 10/99, w/encls | 3365 | 12 | 684 | 0218-02607 |
| 1999/10/29 | Nichols Hazelwood / N I B W Participating Cos | Emily Roth / Environmental Protection Agency - Region 9 | Ltr: List of documents distributed at 10/28/99 technical meeting | 3366 | 12 | 734 | 0218-93811 |
| 1999/11/00 | City of Scottsdale, AZ - Dept of Water Resources | Emily Roth / Environmental Protection Agency - Region 9 | City responses to Archie Mones & Marlene Baker's questions re Central GWTF, w/TL to E Roth & M Grigorieff fr M Mahar 11/18/99 | 3367 | 12 | 736 | 0218-02664 |
| 1999/11/12 | Joseph Flynn / Environmental Management Consultants Corp | Emily Roth / Environmental Protection Agency - Region 9 | Ltr: Transmits & discusses contour maps of 10/99 groundwater levels, w/maps & tables | 3368 | 12 | 743 | 0218-02665 |
| 1999/11/16 | James Lutton / L F R Levine-Fricke | Emily Roth / Environmental Protection Agency - Region 9 | Ltr: Area 7 middle alluvial unit groundwater extraction & treatment system validation & RA rpt, w/attchs | 3369 | 12 | 765 | 0218-02792 |
| 1999/11/18 | C H 2 M Hill | C H 2 M Hill | Analytical data for City of Scottsdale GWTF, air analyses 11/99, for volatile organics, w/TLs | 3370 | 12 | 777 | 0218-02656 |
| 1999/11/22 | Linda Eshelman / McKenzie Laboratories, Inc | Emily Roth / Environmental Protection Agency - Region 9 | Ltr: Summarizes & transmits City of Scottsdale water monitoring rpts for 10/99, w/encls | 3371 | 12 | 801 | 0218-02682 |
| 1999/11/22 | Mike Grigorieff / C H 2 M Hill | Emily Roth / Environmental Protection Agency - Region 9 | Technical Memo: Concepts to reduce VOC air emissions at NIBW sites, w/attch | 3372 | 12 | 803 | 0218-02728 |
| 1999/12/01 | James Lutton / Levine-Fricke-Recon | Emily Roth / Environmental Protection Agency - Region 9 | Ltr: Documents area 7 groundwater extraction & treatment system compliance with AZ aquifer protection program, w/attchs | 3373 | 12 | 814 | 0218-02666 |
| 1999/12/01 | James Lutton / Levine-Fricke-Recon | Emily Roth / Environmental Protection Agency - Region 9 | Ltr: Area 7 groundwater extraction & treatment system (GWETS) complies with requirements of Maricopa County Air Pollution Control Division, w/attch | 3374 | 12 | 824 | 0218-93823 |
| 1999/12/02 | C H 2 M Hill | - | CGTF split air sample results for 1999, w/TL to E Roth fr J Swanson | 3375 | 12 | 830 | 0218-02729 |
| 1999/12/07 | Dean Carter / Univ of Arizona - Superfund Basic Research Program | Bob LeWitter, resident / City of Scottsdale, AZ | Ltr: Response to questions re water, TCE, exposure levels & cancer (redacted, FOIA ex 6) | 3376 | 12 | 838 | 0218-93826 |
| 1999/12/10 | Dennis Shirley / Motorola, Inc | Emily Roth / Environmental Protection Agency - Region 9 | Ltr: Comments on draft CH2M Hill memo "Concepts to reduce VOC emissions at NIBW sites", dated 11/9/99 | 3377 | 12 | 847 | 0218-93827 |
| 1999/12/10 | Nichols Hazelwood / N I B W Participating Cos | Emily Roth / Environmental Protection Agency - Region 9 | Ltr: Teleconference on CGWTF modification, 12/14/99 - items to be reviewed & discussed, w/attchs | 3378 | 12 | 851 | 0218-93828 |
| 1999/12/15 | U R S Corp - U R S Greiner Woodward Clyde | Motorola, Inc | Interim operation rpt, final rpt, Area 12 groundwater extraction & treatment system | 3379 | 12 | 857 | 0218-02700 |
| 1999/12/15 | Emily Roth / Environmental Protection Agency - Region 9 | Marlene Baker / Community Involvement Group | Ltr: EPA response to Community Involvement Group members comments on draft FS addendum, w/attch (Redacted, FOIA ex 6) | 3380 | 12 | 1121 | 0218-02730 |
| 1999/12/16 | City of Scottsdale, AZ - Dept of Water Resources | Maricopa County, AZ - Environmental Services Dept | Voluntary 1998 air emissions inventory forms & documentation for City of Scottsdale groundwater treatment facility, w/TL to J Anthony fr M Mahar | 3381 | 12 | 1141 | 0218-02655 |
| 1999/12/16 | Nichols Hazelwood / N I B W Participating Cos | Emily Roth / Environmental Protection Agency - Region 9 | Ltr: Comments on CH2M Hill memo "Concepts to reduce VOC emissions at NIBW sites", dated 11/22/99 | 3382 | 12 | 1158 | 0218-93830 |
| 1999/12/20 | Emily Roth / Environmental Protection Agency - Region 9 | Maria Mahar / City of Scottsdale, AZ - Dept of Water Resources | Ltr: Columns 2 & 3 modifications to Scottsdale CGTF - EPA approves scope of work, 12/10/99, & draft construction drawings, 11/9/99, w/o attch | 3383 | 12 | 1161 | 0218-93832 |
| 1999/12/22 | Linda Eshelman / McKenzie Laboratories, Inc | Emily Roth / Environmental Protection Agency - Region 9 | Ltr: Summarizes & transmits City of Scottsdale water monitoring rpts for 11/99, w/encls | 3384 | 12 | 1163 | 0218-02683 |
| 2000/01/14 | Karol Wolf / Salt River Project | Emily Roth / Environmental Protection Agency - Region 9 | Ltr: Transmits water quality rpt for 4th quarter 1999, w/encls | 3385 | 12 | 1165 | 0218-02624 |
| 2000/01/15 | N I B W Participating Cos | Environmental Protection Agency - Region 9 | Semiannual rpt, (7/99 - 12/99), OU1, w/TL 1/14/2000 | 3386 | 12 | 1167 | 0218-02676 |
| 2000/01/18 | Maria Mahar / City of Scottsdale, AZ - Dept of Water Resources | Marlene Baker / Community Involvement Group | Ltr: Transmits response to questions, comments on FSA, EPA method 524.2, workplan excerpt & Water Campus brochures, w/attchs (Redacted, FOIA ex 6) | 3387 | 12 | 1178 | 0218-02733 |
| 2000/01/19 | Environmental Protection Agency - Region 9 | - | Mtg Agenda: January 2000 Community Involvement Group (CIG) meeting, 1/19/2000 | 3388 | 12 | 1212 | 0218-93923 |
| 2000/01/19 | - | - | Sign-in sheet for NIBW meeting, 1/19/2000, w/Neighborhood update 1/21/2000 & TCE concentration charts (redacted, FOIA ex 6) | 3389 | 12 | 1214 | 0218-93978 |
| 2000/01/20 | Brad Cross / L F R Levine-Fricke | Emily Roth / Environmental Protection Agency - Region 9 | Area 7 meeting handout - monitor well data, 12/99, TCE concentrations, vapor monitoring results, TCE mass extracted & general minerals | 3390 | 12 | 1221 | 0218-02734 |
| 2000/01/21 | Joe Kelbley / McKenzie Laboratories, Inc | Emily Roth / Environmental Protection Agency - Region 9 | Ltr: Transmits City of Scottsdale water monitoring rpts for 12/99 & 1 rpt for 11/99, w/encls | 3391 | 12 | 1229 | 0218-02684 |
| 2000/01/22 | Archie Mones | Emily Roth / Environmental Protection Agency - Region 9 | Email: TCE, MCLs & risk assessment at site (redacted, FOIA ex 6) | 3392 | 12 | 1231 | 0218-93966 |
| 2000/01/23 | Marlene Baker / Concerned Citizens About Responsible Environment | Emily Roth / Environmental Protection Agency - Region 9 | Email: 1/19 meeting re site cleanup (redacted, FOIA ex 6) | 3393 | 12 | 1234 | 0218-93967 |
| 2000/01/27 | Jeff Swanson / C H 2 M Hill | Emily Roth / Environmental Protection Agency - Region 9 | Ltr: Water & air analyses 1/2000 - rpt of data, case 31738, water samples, EPA 502.2 analyses & analytical data, volatile organics analysis of air | 3394 | 12 | 1237 | 0218-02678 |
| 2000/01/28 | N I B W Participating Cos | Environmental Protection Agency - Region 9 | Sampling program, Central Groundwater Treatment Facility, columns 2 & 3 modifications, w/TL to E Roth fr N Hazelwood | 3395 | 12 | 1268 | 0218-02677 |
| 2000/02/02 | Maria Mahar / City of Scottsdale, AZ - Dept of Water Resources | Tom Waldbillig / Maricopa County, AZ - Environmental Services Dept | Ltr: Modifications to columns 2 & 3 of CGTF, w/o encl | 3396 | 12 | 1281 | 0218-93892 |
| 2000/02/14 | Joseph Flynn / Environmental Management Consultants Corp | Emily Roth / Environmental Protection Agency - Region 9 | Ltr: Transmits contour maps of 1/2000 groundwater levels & tables, w/encls | 3397 | 12 | 1283 | 0218-02736 |
| 2000/02/17 | Michelle Turgeon / City of Scottsdale, AZ - Dept of Water Resources | Brad Cross / L F R Levine-Fricke | Ltr: Transmits information gathered on wells 71, 31 & 72 including spreadsheets & analytical results of inorganic samples, w/encls | 3398 | 12 | 1305 | 0218-02738 |
| 2000/02/17 | Kelly Ensor / C H 2 M Hill | Robert Frank / C H 2 M Hill | Ltr: Transmits analytical data for COS GWTF, air analyses for 2/00, volatile organics, w/encls & TL to E Roth fr J Swanson 2/23/00 | 3399 | 12 | 1366 | 0218-02781 |
| 2000/02/17 | Dennis Shirley / Motorola, Inc | Emily Roth / Environmental Protection Agency - Region 9 | Ltr: Requests approval for continued operation of Area 12 groundwater extraction & treatment system | 3400 | 12 | 1389 | 0218-93890 |
| 2000/02/22 | Joe Kelbley / McKenzie Laboratories, Inc | Emily Roth / Environmental Protection Agency - Region 9 | Ltr: Summarizes & transmits City of Scottsdale water monitoring rpts for 1/00, w/encls | 3401 | 12 | 1391 | 0218-02779 |
| 2000/03/00 | Gutierrez-Palmenberg, Inc | - | Computer Disk: City of Scottsdale groundwater treatment facility, monthly files, (1/00 - 3/00), 3.5in, w/TL | 3402 | 12 | 1393 | 0218-02795 |
| 2000/03/01 | Gutierrez-Palmenberg, Inc | Environmental Protection Agency - Region 9 | Computer Disk: Monthly rpt files for City of Scottsdale groundwater treatment facility, 10/99 - 12/99, 3.5in, w/TL | 3403 | 12 | 1397 | 0218-02706 |
| 2000/03/02 | Nichols Hazelwood / N I B W Participating Cos | Emily Roth / Environmental Protection Agency - Region 9 | Ltr: Transmits response to comments on draft FS addendum & plume maps, w/attchs, w/o maps | 3404 | 12 | 1401 | 0218-02741 |
| 2000/03/02 | Joseph Flynn / Environmental Management Consultants Corp | Emily Roth / Environmental Protection Agency - Region 9 | Ltr: Transmits 1/99 to 2/2000 groundwater level change contour maps & tables, w/attchs | 3405 | 12 | 1451 | 0218-02742 |
| 2000/03/03 | Stephanie Ciekot / AZ Dept of Environmental Quality - Waste Programs Div | Emily Roth / Environmental Protection Agency - Region 9 | Ltr: Comments on Sampling program for columns 2 & 3 modifications, prepared by Participating Cos, 1/28/2000 | 3406 | 12 | 1469 | 0218-93894 |
| 2000/03/09 | N I B W Participating Cos | - | Revised sampling program, Central Groundwater Treatment Facility (CGTF), columns 2 & 3 modifications, w/TL | 3407 | 12 | 1471 | 0218-02705 |
| 2000/03/22 | Environmental Protection Agency - Region 9 | - | Mtg Agenda: March 2000 Community Involvement Group (CIG) meeting, 3/22/2000 | 3408 | 12 | 1484 | 0218-93896 |
| 2000/03/27 | Emily Roth / Environmental Protection Agency - Region 9 | Bob LeWitter | Email: Groundwater treatment facility questions & answers w/history (redacted, FOIA ex 6) | 3409 | 12 | 1486 | 0218-93968 |
| 2000/03/28 | Joe Kelbley / McKenzie Laboratories, Inc | Emily Roth / Environmental Protection Agency - Region 9 | Ltr: Summarizes & transmits City of Scottsdale water monitoring rpts for 2/00, w/encls | 3410 | 12 | 1490 | 0218-02788 |
| 2000/03/29 | Maria Mahar / City of Scottsdale, AZ - Dept of Water Resources | Emily Roth / Environmental Protection Agency - Region 9 | Ltr: Modified column 2 - City requests EPA approval to return column 2 to service to Reservoir 80, w/encl | 3411 | 12 | 1492 | 0218-93898 |
| 2000/03/29 | Emily Roth / Environmental Protection Agency - Region 9 | Maria Mahar / City of Scottsdale, AZ - Dept of Water Resources | Ltr: Modified column 2 - EPA approval to return column 2 to service to Reservoir 80, w/attchs | 3412 | 12 | 1496 | 0218-93899 |
| 2000/03/29 | Thomas Waldbillig / Maricopa County, AZ - Environmental Services Dept | Maria Mahar / City of Scottsdale, AZ - Dept of Water Resources | Ltr: Approval of phase 1 testing for column 2 - City authorized to proceed to phase 2 testing of column 2 at GWTF | 3413 | 12 | 1501 | 0218-93900 |
| 2000/03/29 | Nichols Hazelwood / N I B W Participating Cos | Emily Roth / Environmental Protection Agency - Region 9 | Ltr: Results of column 2 post-modification demonstration phase sampling & analysis, w/TL to E Roth fr M Brown | 3414 | 12 | 1503 | 0218-93901 |
| 2000/03/30 | Nichols Hazelwood / N I B W Participating Cos | Emily Roth / Environmental Protection Agency - Region 9 | Ltr: Results of column 2 post-modification demonstration phase sampling & analysis for CGTF, w/attchs | 3415 | 12 | 1507 | 0218-02697 |
| 2000/03/30 | Levine-Fricke-Recon | S M I Holding L L C | Installation rpt, groundwater extraction & treatment system, Area 7 | 3416 | 12 | 1509 | 0218-02698 |
| 2000/03/30 | Mike Ray / Agriculture & Priority Pollutants Labs, Inc | Robert Frank / C H 2 M Hill | Ltr: Rpt of data, collected 3/28/00 (results of column 2 testing), w/attchs & TLs | 3417 | 12 | 1809 | 0218-02745 |
| 2000/04/00 | Salt River Project | Environmental Protection Agency - Region 9 | Water level rpts, 1/00 & 4/00, for UAU/MAU/LAU groundwater monitoring programs, w/TLs to E Roth fr K Wolf | 3418 | 12 | 1823 | 0218-02780 |
| 2000/04/21 | Joe Kelbley / McKenzie Laboratories, Inc | Emily Roth / Environmental Protection Agency - Region 9 | Ltr: Summarizes & transmits City of Scottsdale water monitoring rpts for 3/00, w/encls | 3419 | 12 | 1850 | 0218-02693 |
| 2000/04/25 | Emily Roth / Environmental Protection Agency - Region 9 | Mason Bolitho / AZ Dept of Water Resources | Ltr: Response to request for information re capacity of Scottsdale Central Groundwater Treatment Facility (CGTF) | 3420 | 12 | 1852 | 0218-93844 |
| 2000/04/27 | Nichols Hazelwood / N I B W Participating Cos | Emily Roth / Environmental Protection Agency - Region 9 | Ltr: Results of column 3 post-modification demonstration phase sampling & analysis for CGTF, w/attchs | 3421 | 12 | 1854 | 0218-02696 |
| 2000/04/27 | Emily Roth / Environmental Protection Agency - Region 9 | Maria Mahar / City of Scottsdale, AZ - Dept of Water Resources | Ltr: Modified column 3 - EPA approval to return column 3 to service to Reservoir 80, w/attchs | 3422 | 12 | 1856 | 0218-93905 |
| 2000/05/00 | Gutierrez-Palmenberg, Inc | Environmental Protection Agency - Region 9 | Monthly rpts for City of Scottsdale GWTF, (3/99 - 5/00), w/TLs to E Roth fr M Mahar | 3423 | 12 | 1866 | 0218-02510 |
| 2000/05/02 | Emily Roth / Environmental Protection Agency - Region 9 | Nichols Hazelwood / N I B W Participating Cos | Ltr: Revised schedule for FS addendum - request that alternative pumping scenario be modeled & analyzed as alternative for final FSA, w/attch | 3424 | 12 | 1868 | 0218-93907 |
| 2000/05/05 | Marshall Brown / L F R Levine-Fricke | Emily Roth / Environmental Protection Agency - Region 9 | Memo: Error found with column 2 phase 1 temperature readings & transmits tables 1-3 re VOC results column 2 & 3, w/attchs | 3425 | 12 | 1871 | 0218-93908 |
| 2000/05/08 | Phil Whitmore / C H 2 M Hill | Emily Roth / Environmental Protection Agency - Region 9 | Memo: Transmits water & air analyses for 4/00, w/GWTF 3/2000-4/2000 TCE sample results | 3426 | 12 | 1877 | 0218-02782 |
| 2000/05/08 | Dennis Shirley / Motorola, Inc | Emily Roth / Environmental Protection Agency - Region 9 | Ltr: Concerns re proposed EPA alternative 5 remedial strategy, response to 5/2/00 ltr | 3427 | 12 | 1917 | 0218-93929 |
| 2000/05/09 | Environmental Protection Agency - Region 9 | - | Mtg Agenda: Community Involvement Group (CIG) meeting, 5/9/2000, w/sign-in sheet (redacted, FOIA ex 6) | 3428 | 12 | 1920 | 0218-93969 |
| 2000/05/10 | Environmental Protection Agency - Region 9 | - | Mtg Agenda: NIBW technical meeting, 5/10/2000, w/sign-in sheet, attchs | 3429 | 12 | 1924 | 0218-02748 |
| 2000/05/12 | Joseph Flynn / Environmental Management Consultants Corp | Emily Roth / Environmental Protection Agency - Region 9 | Ltr: Transmits contour maps of 4/2000 groundwater levels & tables, w/attchs | 3430 | 12 | 1936 | 0218-02749 |
| 2000/05/19 | Nichols Hazelwood / N I B W Participating Cos | Emily Roth / Environmental Protection Agency - Region 9 | Ltr: Revised schedule for FSA - actions & schedules proposed in reply to 5/2/00 ltr re schedule & plans for completing final FS addendum, w/attchs | 3431 | 12 | 1958 | 0218-93910 |
| 2000/05/23 | Matthew Hill / McKenzie Laboratories, Inc | Emily Roth / Environmental Protection Agency - Region 9 | Ltr: Summarizes & transmits City of Scottsdale water monitoring rpts for 4/00, w/encls | 3432 | 12 | 1964 | 0218-02778 |
| 2000/05/23 | Beth Proffitt / Transwest Geochem, Inc | Emily Roth / Environmental Protection Agency - Region 9 | Ltr: Summarizes & transmits City of Scottsdale water monitoring rpts for 4/00, w/encls | 3433 | 12 | 1966 | 0218-02789 |
| 2000/06/00 | Gutierrez-Palmenberg, Inc | - | Computer Disk: City of Scottsdale groundwater treatment facility, monthly files, (4/00 - 6/00), 3.5in, w/TL | 3434 | 12 | 1968 | 0218-02806 |
| 2000/06/01 | Salt River Project | Environmental Protection Agency - Region 9 | Monthly water quality data summaries for sentinel wells, (11/98 - 5/2000), w/TLs to E Roth fr K Wolf | 3435 | 12 | 1972 | 0218-02449 |
| 2000/06/02 | Nichols Hazelwood / N I B W Participating Cos | Emily Roth / Environmental Protection Agency - Region 9 | Ltr: Elements of recharge/reinjection scenario for FSA modeling | 3436 | 12 | 2012 | 0218-93911 |
| 2000/06/23 | Beth Proffitt / Transwest Geochem, Inc | Emily Roth / Environmental Protection Agency - Region 9 | Ltr: Summarizes & transmits City of Scottsdale water monitoring rpts for 5/00, w/encls | 3437 | 12 | 2015 | 0218-02790 |
| 2000/06/26 | Nichols Hazelwood / N I B W Participating Cos | Emily Roth / Environmental Protection Agency - Region 9 | Email: NIBW R&R (reinjection) scenario, w/history & TL to E Roth fr N Hazelwood 6/28 | 3438 | 12 | 2017 | 0218-93913 |
| 2000/06/29 | Phil Whitmore / C H 2 M Hill | Emily Roth / Environmental Protection Agency - Region 9 | Ltr: Transmits water analyses, (5/00 & 6/00) & air analyses, (5/00), w/attchs & TLs | 3439 | 12 | 2022 | 0218-02754 |
| 2000/06/30 | N I B W Participating Cos | - | Updated results of sampling & analysis, Central Groundwater Treatment Facility, columns 2 & 3 modifications, v1 | 3440 | 12 | 2063 | 0218-02783 |
| 2000/06/30 | N I B W Participating Cos | - | Updated results of sampling & analysis, Central Groundwater Treatment Facility, columns 2 & 3 modifications, v2, app A, phase 2 laboratory rpts | 3441 | 12 | 2088 | 0218-02784 |
| 2000/06/30 | N I B W Participating Cos | - | Updated results of sampling & analysis, Central Gw Treatment Facility, columns 2 & 3 modifications, v3, app B, phase 3 laboratory rpts (pt 1 of 2) | 3442 | 12 | 2090 | 0218-02785 |
| 2000/06/30 | N I B W Participating Cos | - | Updated results of sampling & analysis, Central Gw Treatment Facility, columns 2 & 3 modifications, v4, app B, phase 3 lab rpts (pt 2 of 2) | 3443 | 12 | 2092 | 0218-02786 |
| 2000/07/00 | Salt River Project | Environmental Protection Agency - Region 9 | Water level rpt, 7/00, for UAU/MAU/LAU groundwater monitoring programs, w/TL to M Pennington fr K Wolf | 3444 | 12 | 2094 | 0218-02805 |
| 2000/07/10 | Karol Wolf / Salt River Project | Emily Roth / Environmental Protection Agency - Region 9 | Ltr: Transmits 2nd quarter 2000 (4/00) water quality rpt, w/attchs | 3445 | 12 | 2100 | 0218-02755 |
| 2000/07/14 | N I B W Participating Cos | - | Semiannual rpt (1/2000 - 6/2000), OU1 | 3446 | 12 | 2102 | 0218-02799 |
| 2000/07/18 | Hannah Goldstein / Community Involvement Group | Emily Roth / Environmental Protection Agency - Region 9 | Memo: Thomas/Pima plant, subsidence, Los Arcos Stadium project & arsenic (redacted, FOIA ex 6) | 3447 | 12 | 2112 | 0218-93970 |
| 2000/07/20 | Environmental Protection Agency - Region 9 | - | Mtg Agenda: NIBW technical meeting, 7/20/00, w/sign-in sheet & attch | 3448 | 12 | 2116 | 0218-93927 |
| 2000/07/27 | Emily Roth / Environmental Protection Agency - Region 9 | Brad Cross / L F R Levine-Fricke | Ltr: Approval of locations for 2 additional wells, extraction & monitoring, for Area 7 | 3449 | 12 | 2120 | 0218-93917 |
| 2000/08/02 | Melissa Pennington / Environmental Protection Agency - Region 9 | Daniel Meer / Environmental Protection Agency - Region 9 | Memo: Documentation for completion of RA, Area 8 soil vapor extraction system - transmits for signature & recommends approval of RA rpt, w/attch | 3450 | 12 | 2122 | 0218-02800 |
| 2000/08/08 | Emily Roth / Environmental Protection Agency - Region 9 | Hannah Goldstein / Community Involvement Group | Email: Response to 7/18 fax - proposed new surface water treatment plant, subsidence | 3451 | 12 | 2210 | 0218-93928 |
| 2000/08/14 | Joesph Flynn / Environmental Management Consultants Corp | Melissa Pennington / Environmental Protection Agency - Region 9 | Ltr: Transmits gw contour maps, tables & figures based on 7/00 gw level measurements taken in wells of upper, middle & lower alluvium units, w/encls | 3452 | 12 | 2213 | 0218-02802 |
| 2000/08/16 | Harding Lawson Assoc | N I B W Participating Cos | Final construction rpt, modifications to columns 2 & 3 of Central Groundwater Treatment Facility, w/compact disc | 3453 | 12 | 2235 | 0218-02803 |
| 2000/08/18 | Melissa Pennington / Environmental Protection Agency - Region 9 | Dennis Shirley / Motorola, Inc | Ltr: Determination on Area 12 soil extraction system, approves discontinuation of SVE operations at Area 12 | 3454 | 12 | 2326 | 0218-93933 |
| 2000/09/26 | Beth Proffitt / Transwest Geochem, Inc | Melissa Pennington / Environmental Protection Agency - Region 9 | Ltr: Summarizes & transmits City of Scottsdale water monitoring rpts for 8/00, w/encls | 3455 | 12 | 2329 | 0218-02807 |
| 2000/09/28 | Maria Mahar / City of Scottsdale, AZ - Dept of Water Resources | Carroll Dekle / Maricopa County, AZ - Environmental Services Dept | Ltr: Transmits air sample results for contactor 2, City of Scottsdale CGTF, for 8/00 & 9/00, w/attchs | 3456 | 12 | 2331 | 0218-02814 |
| 2000/10/00 | Errol L Montgomery & Assoc, Inc | Environmental Protection Agency - Region 9 | Maps (4): Concentration of TCE in upper alluvium, upper middle alluvium, lower middle alluvium & lower alluvium, w/TL to M Pennington 1/26/01 | 3457 | 12 | 2373 | 0218-02832 |
| 2000/10/26 | Beth Proffitt / Transwest Geochem, Inc | Melissa Pennington / Environmental Protection Agency - Region 9 | Ltr: Summarizes & transmits City of Scottsdale water monitoring rpts for 9/00, w/encls | 3458 | 12 | 2379 | 0218-02809 |
| 2000/11/00 | Gutierrez-Palmenberg, Inc | Environmental Protection Agency - Region 9 | Monthly rpts for City of Scottsdale GWTF, (7/00 - 11/00) & rev pp for 5/00 rpt, w/TLs | 3459 | 13 | 1 | 0218-02808 |
| 2000/11/03 | Melissa Pennington / Environmental Protection Agency - Region 9 | Daniel Meer / Environmental Protection Agency - Region 9 | Memo: Documentation for completion of RA, Area 12 soil vapor extraction system - transmits for signature & recommends approval of RA rpt, w/attch | 3460 | 13 | 259 | 0218-02813 |
| 2000/11/14 | Joseph Flynn / Environmental Management Consultants Corp | Melissa Pennington / Environmental Protection Agency - Region 9 | Ltr: Transmits contour maps of 10/00 groundwater levels & tables of groundwater data, w/attchs | 3461 | 13 | 296 | 0218-02816 |
| 2000/11/15 | N I B W Participating Cos | - | Feasibility study addendum (FSA), v1 | 3462 | 13 | 318 | 0218-02836 |
| 2000/11/15 | N I B W Participating Cos | - | Feasibility study addendum (FSA), v2 | 3463 | 13 | 648 | 0218-02837 |
| 2000/11/15 | N I B W Participating Cos | - | Feasibility study addendum (FSA), v3 | 3464 | 13 | 1118 | 0218-02838 |
| 2000/11/15 | N I B W Participating Cos | - | Feasibility study addendum (FSA), v4 | 3465 | 13 | 1367 | 0218-02839 |
| 2000/11/15 | N I B W Participating Cos | - | Feasibility study addendum (FSA), v5 | 3466 | 13 | 1457 | 0218-02840 |
| 2000/11/22 | Beth Proffitt / Transwest Geochem, Inc | Melissa Pennington / Environmental Protection Agency - Region 9 | Ltr: Summarizes & transmits City of Scottsdale water monitoring rpts (23) for 10/00, w/encls | 3467 | 13 | 1855 | 0218-02817 |
| 2000/11/28 | Nichols Hazelwood / N I B W Participating Cos | Melissa Pennington / Environmental Protection Agency - Region 9 | Ltr: Recommendation that EPA adopt alternative 3, as described in Final FSA, as selected remedy, w/attch | 3468 | 13 | 1857 | 0218-02830 |
| 2000/12/07 | James McVeigh / Arizona-American Water Co | Melissa Pennington / Environmental Protection Agency - Region 9 | Ltr: Comments on FS addendum | 3469 | 13 | 1865 | 0218-93950 |
| 2001/01/02 | Melissa Pennington / Environmental Protection Agency - Region 9 | Erin Scott / AZ Dept of Environmental Quality | Ltr: Request for list of applicable or relevant & appropriate requirements (ARARs) associated with proposed actions at site within 30 days | 3470 | 13 | 1869 | 0218-93949 |
| 2001/01/04 | Melissa Pennington / Environmental Protection Agency - Region 9 | Patricia Port / US Dept of the Interior | Ltr: 122(j) notification, EPA will be negotiating consent decree for RD & RA at site with PRPs | 3471 | 13 | 1871 | 0218-93947 |
| 2001/01/04 | Melissa Pennington / Environmental Protection Agency - Region 9 | David Kennedy / National Oceanic & Atmospheric Administration | Ltr: 122(j) notification, EPA will be negotiating consent decree for RD & RA at site with PRPs | 3472 | 13 | 1874 | 0218-93948 |
| 2001/01/10 | Karol Wolf / Salt River Project | Melissa Pennington / Environmental Protection Agency - Region 9 | Ltr: Transmits 4th quarter 2000 water quality rpt, v1, case narratives, lab certificates of analysis, quality control rpts & summary tables, w/encls | 3473 | 13 | 1877 | 0218-02828 |
| 2001/01/18 | Melissa Pennington / Environmental Protection Agency - Region 9 | Steve Parker / Salt River Pima-Maricopa Indian Community | Ltr: Notification of pending Superfund activity, EPA will be issuing proposed plan | 3474 | 13 | 1915 | 0218-93946 |
| 2001/01/24 | Beth Proffitt / Transwest Geochem, Inc | Melissa Pennington / Environmental Protection Agency - Region 9 | Ltr: Summarizes & transmits City of Scottsdale water monitoring rpts (21) for 12/00, w/encls | 3475 | 13 | 1918 | 0218-02835 |
| 2001/01/25 | Carol Sowers / Arizona Republic (Newspaper) | - | Newsclip: Motorola groundwater pollution trial gets under way | 3476 | 13 | 1920 | 0218-93960 |
| 2001/01/26 | John Yantis / Scottsdale Tribune (Newspaper) | - | Newsclip: Motorola TCE trial under way | 3477 | 13 | 1923 | 0218-93958 |
| 2001/01/26 | Carol Sowers / Arizona Republic (Newspaper) | - | Newsclip: Motorola water pollution trial gets under way | 3478 | 13 | 1926 | 0218-93959 |
| 2001/02/14 | Joseph Flynn / Environmental Management Consultants Corp | Melissa Pennington / Environmental Protection Agency - Region 9 | Ltr: Transmits 1/2000 to 1/2001 groundwater level change contour maps & tables, w/attchs & distribution list | 3479 | 13 | 1928 | 0218-02841 |
| 2001/02/14 | Joseph Flynn / Environmental Management Consultants Corp | Melissa Pennington / Environmental Protection Agency - Region 9 | Ltr: Transmits contour maps of 1/2001 groundwater levels & tables of groundwater data, w/attchs | 3480 | 13 | 1950 | 0218-02842 |
| 2001/02/15 | Mark Filippini / Environmental Protection Agency - Region 9 | Melissa Pennington / Environmental Protection Agency - Region 9 | Memo: Review of Feasibility Study Addendum (FSA) & draft proposed plan | 3481 | 13 | 1972 | 0218-93983 |
| 2001/02/22 | Beth Proffitt / Transwest Geochem, Inc | Melissa Pennington / Environmental Protection Agency - Region 9 | Ltr: Summarizes & transmits 23 water monitoring rpts for 1/2001 w/encls | 3482 | 13 | 1974 | 0218-02844 |
| 2001/02/23 | Patricia Port / US Dept of the Interior | Melissa Pennington / Environmental Protection Agency - Region 9 | Ltr: Dept of Interior participation at site | 3483 | 13 | 1976 | 0218-93984 |
| 2001/03/05 | Archie Mones, resident | Vicki Rosen / Environmental Protection Agency - Region 9 | Email: Comments on notification of public re TCE (redacted, FOIA ex 6) | 3484 | 13 | 1978 | 0218-93976 |
| 2001/03/07 | Melissa Pennington / Environmental Protection Agency - Region 9 | Nichols Hazelwood / N I B W Participating Cos | Ltr: Final FS addendum is final, no additional revisions necessary, w/encls | 3485 | 13 | 1982 | 0218-02885 |
| 2001/03/07 | Vicki Rosen / Environmental Protection Agency - Region 9 | Archie Mones, resident | Email: Response to questions including TCE in drinking water (redacted, FOIA ex 6) | 3486 | 13 | 1992 | 0218-93973 |
| 2001/03/07 | Archie Mones, resident | Vicki Rosen / Environmental Protection Agency - Region 9 | Email: Protection of drinking water (redacted, FOIA ex 6) | 3487 | 13 | 1995 | 0218-93975 |
| 2001/03/11 | Hannah Goldstein / North Indian Bend Wash Citizen Involvement Group | Vicki Rosen / Environmental Protection Agency - Region 9 | Memo: Public comments re recent activities at site, w/o attchs (Redacted, FOIA ex 6) | 3488 | 13 | 1998 | 0218-93987 |
| 2001/03/12 | Hannah Goldstein / North Indian Bend Wash Citizen Involvement Group | Melissa Pennington / Environmental Protection Agency - Region 9 | Memo: MCL guidelines (redacted, FOIA ex 6) | 3489 | 13 | 2002 | 0218-93974 |
| 2001/03/14 | North Indian Bend Wash Citizen Involvement Group | Melissa Pennington / Environmental Protection Agency - Region 9 | Memo: Prelim comments re FSA on TCE removal at Siemens site & reduction of MCL for TCE in drinking water | 3490 | 13 | 2005 | 0218-93985 |
| 2001/03/15 | Archie Mones | Melissa Pennington / Environmental Protection Agency - Region 9 | Email: Comments on TCE discussed at 3/4/2001 mtg (redacted, FOIA ex 6) | 3491 | 13 | 2008 | 0218-93992 |
| 2001/03/20 | Erin Scott / AZ Dept of Environmental Quality | Melissa Pennington / Environmental Protection Agency - Region 9 | Ltr: No additional state ARARs w/ARARs submitted by ADWR | 3492 | 13 | 2014 | 0218-93999 |
| 2001/03/22 | Melissa Pennington / Environmental Protection Agency - Region 9 | Archie Mones, resident | Email: Water treatment plant failure or malfunction (redacted, FOIA ex 6) | 3493 | 13 | 2017 | 0218-93972 |
| 2001/03/22 | Melissa Pennington / Environmental Protection Agency - Region 9 | Hannah Goldstein / North Indian Bend Wash Citizen Involvement Group | Ltr: Response to correspondence re recent site cleanup activities, w/encl | 3494 | 13 | 2021 | 0218-93986 |
| 2001/03/22 | Judith Almond / Arizona-American Water Co | Keith Takata / Environmental Protection Agency - Region 9 | Ltr: Miller Rd treatment facility (MRTF) | 3495 | 13 | 2027 | 0218-93993 |
| 2001/03/30 | Melissa Pennington / Environmental Protection Agency - Region 9 | File | Memo: Proposed plan cost estimates w/encls | 3496 | 13 | 2032 | 0218-02890 |
| 2001/04/00 | Environmental Protection Agency - Region 9 | - | Proposed plan for site cleanup | 3498 | 13 | 2063 | 0218-02908 |
| 2001/04/05 | Environmental Protection Agency - Region 9 | - | List of US EPA guidance documents consulted during development & selection of response action for site | 3497 | 13 | 2060 | 0218-93998 |
| 2001/04/18 | Environmental Protection Agency - Region 9 | - | Videotape(VHS): EPA community meeting re subsidence, 3 hrs 7 min (media cabinet) | 3500 | - | - | 0218-03081 |
| 2001/04/22 | Richard Hutchinson, resident / City of Scottsdale, AZ | Melissa Pennington / Environmental Protection Agency - Region 9 | Ltr: Comments on community meeting (4/18/01) & Arizona American Water Co, w/encl (redacted, FOIA ex 6) | 3501 | - | - | 0218-94209 |
| 2001/04/30 | Environmental Protection Agency - Region 9 | - | Public Notice: Announces Availability of Administrative Record | 3499 | 13 | 2065 | 0218-94001 |
| 2001/05/09 | - | Environmental Protection Agency - Region 9 | Transcript of proposed plan public meeting | 3502 | - | - | 0218-03088 |
| 2001/05/09 | Andre Ivaldi, resident / City of Scottsdale, AZ | Environmental Protection Agency - Region 9 | Support for proposed plan alternative #6 (redacted, FOIA ex 6) | 3503 | - | - | 0218-94225 |
| 2001/05/18 | James McVeigh / Arizona-American Water Co | Melissa Pennington / Environmental Protection Agency - Region 9 | Ltr: Comments on Miller Rd treatment facility rpt (5/01) & Miller Rd treatment facility start up schedule/site acceptance test (5/11/01) | 3504 | - | - | 0218-94210 |
| 2001/06/06 | Kristina Fredericksen, resident / City of Scottsdale, AZ | Melissa Pennington / Environmental Protection Agency - Region 9 | Ltr: Comments & questions on EPA proposed plan (redacted, FOIA ex 6) | 3505 | - | - | 0218-94226 |
| 2001/06/21 | Nichols Hazelwood / N I B W Participating Cos | Melissa Pennington / Environmental Protection Agency - Region 9 | Ltr: Comments on & support for proposed plan alternative 3A | 3506 | - | - | 0218-94212 |
| 2001/06/25 | David Mansfield / City of Scottsdale, AZ - Dept of Water Resources | Melissa Pennington / Environmental Protection Agency - Region 9 | Ltr: Comments on proposed plan & support for alternative 3A | 3507 | - | - | 0218-94214 |
| 2001/06/25 | Arthur Mones, resident / City of Scottsdale, AZ | Melissa Pennington / Environmental Protection Agency - Region 9 | Ltr: Preliminary comments re TCE removal at Siemens site & maximum contaminant level (MCL) for TCE (redacted, FOIA ex 6) | 3508 | - | - | 0218-94224 |
| 2001/06/27 | Richard Hayslip / Salt River Project | Melissa Pennington / Environmental Protection Agency - Region 9 | Ltr: Comments on proposed plan & request that groundwater extraction be limited to well PCX-1 | 3509 | - | - | 0218-94215 |
| 2001/06/28 | James Campbell / Arizona-American Water Co | Melissa Pennington / Environmental Protection Agency - Region 9 | Ltr: Comments on proposed plan & support for alternative 3A | 3510 | - | - | 0218-94216 |
| 2001/06/28 | Herbert Schumann | Melissa Pennington / Environmental Protection Agency - Region 9 | Email: Comments on FS addendum rpt & land subsidence at site (redacted, FOIA ex 6) | 3511 | - | - | 0218-94218 |
| 2001/06/28 | Marlene Baker, resident / City of Scottsdale, AZ | Melissa Pennington / Environmental Protection Agency - Region 9 | Email: Comments on proposed plan alternative 3A (redacted, FOIA ex 6) | 3512 | - | - | 0218-94227 |
| 2001/07/08 | Tena Dischler, resident / City of Scottsdale, AZ | Melissa Pennington / Environmental Protection Agency - Region 9 | Email: Comments on proposed plan alternative 3A (redacted, FOIA ex 6) | 3513 | - | - | 0218-94223 |
| 2001/07/13 | N I B W Participating Cos | Environmental Protection Agency - Region 9 | Participating companies semiannual rpt (1/01-7/01) OU-1, w/TL to M Pennington fr R Hazelwood | 3514 | - | - | 0218-02950 |
| 2001/07/20 | Sean Hogan / Environmental Protection Agency - Region 9 | Moses Olade / AZ Dept of Environmental Quality | Ltr: Request for concurrence on ROD amendment | 3515 | - | - | 0218-94219 |
| 2001/08/16 | Patricia Port / US Dept of the Interior | John Krause / US Dept of the Interior - Bureau of Indian Affairs | Memo: Request for comments on ROD amendment, w/o encls | 3516 | - | - | 0218-94220 |
| 2001/09/05 | Shannon Davis / AZ Dept of Environmental Quality - Waste Programs Div | Keith Takata / Environmental Protection Agency - Region 9 | Ltr: Concurs with remedy selection | 3517 | - | - | 0218-94221 |
| 2001/09/18 | Melissa Pennington / Environmental Protection Agency - Region 9 | Michele Benson / Environmental Protection Agency - Region 9 | Memo: Chloroform cleanup standard for ROD amendment | 3518 | - | - | 0218-94222 |
| 2001/09/27 | Environmental Protection Agency - Region 9 | - | Record of Decision (ROD) amendment for final OU | 3519 | - | - | 0218-03091 |
| 2001/09/27 | Environmental Protection Agency - Region 9 | - | Public Notice: EPA announces availability of Record of Decision (ROD) amendment | 3520 | - | - | 0218-94230 |
| 2002/08/08 | Melissa Pennington / Environmental Protection Agency - Region 9 | - | Memo: Documentation of minor changes to September 2001 ROD amendment | 3521 | - | - | 0218-94269 |