Pacific Southwest, Region 9: Superfund
Serving Arizona, California, Hawaii, Nevada, the Pacific Islands, and Tribal Nations
B.F. Goodrich
Superfund Site
Source Area OU Upd 1 AR
Administrative Record Index
To request copies of administrative record documents, an electronic order form is available.
This administrative record file contains the documents that the U.S. Environmental Protection Agency (EPA) is currently using to identify appropriate remedial activities for the B.F. Goodrich Superfund site, Source Area Operable Unit in Rialto, California. It is presented in DVD format. The administrative record file is complete and includes public comments on EPA's Proposed Plan, EPA's response to comments, other documents used to support EPA’s responses to comments, and the Record of Decision (ROD).
EPA welcomes questions and comments on documents contained in the administrative record file. Please contact:
| Wayne Praskins Remedial Project Manager U.S. EPA (SFD-7-3) 75 Hawthorne Street San Francisco, CA 94105-3972 (415) 972-3181 praskins.wayne@epa.gov | or: | Alejandro Díaz Community Involvement Coordinator U.S. EPA (SFD-6-3) 75 Hawthorne Street San Francisco, CA 94105-3972 (415) 972-3242 or (800) 231-3075 diaz.alejandro@epa.gov |
List of Abbreviations and Acronyms Used in Administrative Record Index
| ABBREVIATION | MEANING |
| # | Number |
| ad | Advertisement |
| Admin | Administrative |
| Alt | Alternative |
| AO | Administrative Order |
| app(s) | Appendix(es) |
| ARAR(s) | Applicable or Relevant and Appropriate Requirement |
| attch(s) | Attachment(s) |
| Ave | Avenue |
| bldg | Building |
| CA | California |
| Caltech | California Technical University |
| CDPH | California Department of Public Health |
| CH2M Hill | EPA Contractor |
| CLP | Contract Laboratory Program |
| co | Company |
| Corp | Corporation |
| dba | Doing Business As |
| doc(s) | Document(s) |
| DOD | Department of Defence |
| DTSC | California Environmental Protection Agency – Department of Toxic Substances Control |
| DVD | Digital Versitile Disc |
| DVR | Digital Video Recorder |
| Electronic Mail | |
| encl(s) | Enclosure(s) |
| EPA | Environmental Projection Agency |
| et al | And Others |
| ex | Exibit |
| Feds | Federal Government |
| FOIA | Freedom of Information Act |
| fr | From |
| FSP | Field Sampling Plan |
| ft | Foot |
| GWTS | Groundwater Pump-and-Treat System |
| HQ | Headquarters |
| ID | Identification |
| in | Inch |
| Inc | Incorporated |
| info | Information |
| Jr | Junior |
| lab | Laboratory |
| Ltr | Letter |
| memo | Memo |
| mfg | Manufacturing |
| MP1 | Mobile Phase 1 |
| MP2 | Mobile Phase 2 |
| MTBE | Mehyl Tertiary Butyl Ether |
| N | North |
| NE | Northeast |
| NPL | National Priorities List |
| OU | Operable Unit |
| Portable Document Format | |
| Photo | Photograph |
| QA/QC | Quality Assurance/Quality Control |
| QAPP | Quality Assurance Progress Plan |
| re | Regarding |
| ref | Referencing |
| RI | Remedial Investigation |
| RI/FS | Remedial Investigation/Feasibility Study |
| ROD | Record of Decision |
| rpt | Report |
| SDG | Standard Delivery Group |
| SFUND | Superfund |
| SOW | Statement of Work |
| St | Street |
| SUMMA | Brand Name |
| TCE | Trichloroethylene |
| tech | Technical |
| TL | Transmittal Letter |
| TPH | Total Petroleum Hydrocarbons |
| UAO | Unilateral Administrative Order |
| v | Versus or Volume |
| VOC(s) | Volatile Organic Compound(s) |
| vs | Versus |
| W | West |
| w/ | With |
| w/o | Without |
| WWII | World War II |
Administrative Record Index
| Doc_date | Author | Addressee | Title_subject | Docid |
| 12/22/1961 | CA Superior Court - San Bernardino County | - | Decree, ref #81264, Lytle Creek Water & Improvement Co vs Fontana Ranchos Water Co, Highland Avenue Water Co, et al, w/attchs (unsigned) | 1122584 |
| 1/1/2000 | Paul Hsieh / US Geological Survey William Wingle / US Geological Survey Richard Healy / US Geological Survey | - | VS2DI - graphical software package for simulating fluid flow & solute or energy transport in variably saturated porous media [Water-Resources Investigations Rpt 9, 9-4130, DVD+R] | 2200541 |
| 9/30/2008 | John Eiler / California Institute of Technology | Henry Weinstock / Nossaman (Attorneys) John List / Flow Science Inc Frederic Fudacz / Nossaman (Attorneys) | (Redacted) Ltr: C1 & O isotope compositions perchlorate in LA area well waters, w/attchs | 2219148 |
| 10/6/2008 | John List / Flow Science Inc | Wayne Praskins / Environmental Protection Agency - Region 9 | Memo: Results of analysis of perchlorate sampling in Rialto-Colton & Chino Basins, w/color aerial photo & maps | 1122587 |
| 12/1/2008 | C H 2 M Hill, Inc | Environmental Protection Agency - Region 9 | QAPP, Rialto-Colton groundwater basin field investigation | 1122948 |
| 1/1/2009 | Peter Fox / City of Rialto | - | Table re system 3610038, wells perchlorate 2009, Rialto & Chino Basins sample sites | 1122956 |
| 3/27/2009 | Wayne Praskins / Environmental Protection Agency - Region 9 | John List / Flow Science Inc | Ltr: Response to requests by F Fudacz & H Weinstock that EPA respond to J List's analyses & conclusions re 160-Acre Area is source of perchlorate contaminating Fontana Water Co production wells in Rialto-Colton & Chino groundwater basins, w/color figures | 1122586 |
| 3/28/2009 | David Towell / C H 2 M Hill, Inc Benjamin Lechler / C H 2 M Hill, Inc | Wayne Praskins / Environmental Protection Agency - Region 9 | Technical Memo: FSP addendum for 3/2009 & 4/2009 groundwater monitoring event, w/attchs | 1122949 |
| 4/8/2009 | Wayne Praskins / Environmental Protection Agency - Region 9 | Robert Wyatt / Allen, Matkins, Leck, Gamble, Mallory & Natsis (Attorneys) | Ltr: EPA as liaison for Emhart Industries approves RI workplan submitted pursuant to admin order #2009-01 | 2210701 |
| 7/16/2009 | Mitkem Laboratories | - | Table 1A, analytical results, Rialto Colton plume, case 38797, SDG #Y4YF0, analysis trace level water samples for trace volatiles, collection date 7/16/2009 | 1119596 |
| 8/1/2009 | - | - | Table re B F Goodrich 8/2009 MP1, MP2 perchlorate | 1119695 |
| 8/4/2009 | Environmental Protection Agency - Region 9 | - | Table 1, summary of VOCs in groundwater, ref native ID Y4YC5, Y4YC6, Y4YC7... | 1122958 |
| 8/26/2009 | Brenda Bettencourt / Environmental Protection Agency - Region 9 Laboratory | Wayne Praskins / Environmental Protection Agency - Region 9 | Memo: Transmits results fr analysis of samples fr B F Goodrich 7/2009 groundwater sampling project #R09S84, SDG #09218A, analysis perchlorate by ion chromatography, w/attch | 2210719 |
| 10/1/2009 | GeoLogic Assoc | CA Regional Water Quality Control Board - Santa Ana Region | Groundwater monitoring rpt, Rialto groundwater treatment system, perchlorate & VOC remediation, 3rd quarter (summer) 2009 | 1122900 |
| 10/6/2009 | Santiago Lee / I C F International/Laboratory Data Consultants | - | Data Validation Rpt: Case 38756, SDG Y4YC5, analysis trace volatiles, 14 groundwater samples, w/TL to W Praskins | 2210716 |
| 12/1/2009 | Environmental Protection Agency - Region 9 | - | Table 1, summary of detected VOCs & perchlorate in groundwater, EPA-MP1 through EPA-MP6, 12/2009 (draft) | 1122591 |
| 12/1/2009 | C H 2 M Hill, Inc | Environmental Protection Agency - Region 9 | Map: Groundwater elevation contours, regional aquifer, 11/2009-12/2009 (color) | 1122883 |
| 12/2/2009 | John Eiler / California Institute of Technology | John List / Flow Science Inc | Ltr: Analysis of interpretations in 10/22/2009 memo fr Regional Board re stable isotope compositions of perchlorate samples collected in San Bernardino county | 1122588 |
| 12/10/2009 | John List / Flow Science Inc | Wayne Praskins / Environmental Protection Agency - Region 9 Gary Lass / GeoLogic Assoc Kurt Berchtold / CA Regional Water Quality Control Board - Santa Ana Region | Memo: Response to comments by Regional Board, EPA & San Bernardino County prepared in response to memo fr Flow Science Inc re perchlorate distribution in Rialto-Colton & Chino groundwater basins | 1122590 |
| 12/18/2009 | Environmental Protection Agency - Region 9 | - | Table re anticipated laboratory performing analysis, CLP case #39262 (organics), EPA R10S31 (inorganics), method EPA 524.2, EPA 314, specific analyses requested VOCs, perchlorate..., 12/14/2009-12/18/2009 | 1122889 |
| 1/1/2010 | C H 2 M Hill, Inc | - | RI/FS rpt modeling files [DVD] | 2202824 |
| 1/1/2010 | Peter Fox / City of Rialto | - | Table re City of Rialto water levels, 1928-2010 | 1122955 |
| 1/7/2010 | Brenda Bettencourt / Environmental Protection Agency - Region 9 Laboratory | Wayne Praskins / Environmental Protection Agency - Region 9 | Memo: Transmits results fr analysis of samples fr B F Goodrich 12/2009 groundwater sampling project #R10S31, SDG #09352B, analysis perchlorate by ion chromatography, w/attch | 2210883 |
| 1/15/2010 | Calscience Environmental Laboratories, Inc | D P R A | Ltr: Laboratory analytical rpt, project #4569, work order #10-01-0551, 17 water samples for perchlorate, collected 1/72010, w/attchs | 1122951 |
| 1/28/2010 | Santiago Lee / I C F International/Laboratory Data Consultants | - | Data Validation Rpt: Case 39262, SDG Y5MP8, analysis trace volatiles, 18 groundwater samples, w/TL to W Praskins | 2210885 |
| 1/29/2010 | Brenda Bettencourt / Environmental Protection Agency - Region 9 Laboratory | Wayne Praskins / Environmental Protection Agency - Region 9 | Memo: Transmits results fr analysis of samples fr B F Goodrich 12/2009 groundwater sampling project #R10S31, SDG #09356C, analysis perchlorate by ion chromatography, w/attch | 2210884 |
| 2/1/2010 | GeoLogic Assoc | CA Regional Water Quality Control Board - Santa Ana Region | Updated hydrogeologic model of perchlorate transport conditions in northern Rialto-Colton Basin, San Bernardino County | 1122959 |
| 2/1/2010 | ENVIRON International Corp | Environmental Protection Agency - Region 9 | Final RI rpt, w/o appendices A-N on compact disc | 2210952 |
| 2/1/2010 | GeoLogic Assoc | CA Regional Water Quality Control Board - Santa Ana Region | Groundwater monitoring rpt, Rialto groundwater treatment system, perchlorate & VOC remediation, 4th quarter (fall) 2009 | 1122885 |
| 2/1/2010 | ENVIRON International Corp | Environmental Protection Agency - Region 9 | Final RI rpt, appendices A-N (compact disc only) | 2211804 |
| 2/3/2010 | Wayne Praskins / Environmental Protection Agency - Region 9 | Richard Hiett / Environmental Protection Agency - Region 9 | Email: Informs that proposed groundwater cleanup plan, RI/FS rpt & admin record index are available & EPA will accept comments at public meeting on 2/10/2010, w/o attchs (B.F. Goodrich Site Proposed Groundwater Cleanup Plan.pdf.) | 2210943 |
| 2/4/2010 | Dinah Watson / Resident | Wayne Praskins / Environmental Protection Agency - Region 9 | Email: Comments on Rialto water cleanup | 2219117 |
| 2/5/2010 | San Bernardino County Sun (Newspaper) | - | Public Notice: EPA requests public comments on proposed groundwater cleanup plan for B F Goodrich Superfund site | 2211669 |
| 2/10/2010 | Clay Rosson / NONE | Wayne Praskins / Environmental Protection Agency - Region 9 | Email: Comments on Rialto perchlorate cleanup | 2219116 |
| 2/10/2010 | Janet Zimmerman / Press-Enterprise, The | - | Article: Health concerns persist about water cleanup, Rialto residents tell EPA (fr www.pe.com) | 2210894 |
| 2/10/2010 | Zaira Jimenez / Huntington Court Reporters & Transcription, Inc | - | Meeting Transcript: Public meeting on 2/10/2010, EPA seeks public comment on groundwater cleanup plan | 2210950 |
| 2/25/2010 | Wayne Praskins / Environmental Protection Agency - Region 9 | Brian Zagon / Hunsucker, Goodstein & Nelson (Attorneys) | Email: Results fr 12/2009 groundwater samples collected fr EPA monitoring wells EPA-MP1 through EPA-MP6, w/o attchs (Summary of Results_EPA-MP1 through EPA-MP6_December_2009.pdf, BF Goodrich Site_Updated Well Locations_11x17.pdf) | 2210941 |
| 3/1/2010 | George Slajchert / Western Water Equipment Co | Wayne Praskins / Environmental Protection Agency - Region 9 | Ltr: Comments on cleanup plan, ref alternate 2B treatment process for perchlorate removal, w/attchs | 2219118 |
| 3/8/2010 | Anthony Araiza / West Valley Water District | Wayne Praskins / Environmental Protection Agency - Region 9 | Ltr: Comments on RI/FS rpt dated 1/25/2010 | 2219112 |
| 3/8/2010 | Ralph Murphy / Geo-Logic Assoc | Wayne Praskins / Environmental Protection Agency - Region 9 | Ltr: Additional comments submitted on behalf of San Bernardino County on RI/FS rpt dated 1/25/2010 | 1122891 |
| 3/8/2010 | Peter Duchesneau / Manatt, Phelps & Phillips (Attorneys) | Wayne Praskins / Environmental Protection Agency - Region 9 | Ltr: Comments on behalf of Goodrich Corp on draft RI/FS rpt dated 1/25/2010, w/attch | 2219113 |
| 3/8/2010 | Kevin Milligan / City of Riverside - Dept of Public Utilities | Wayne Praskins / Environmental Protection Agency - Region 9 | Ltr: Comments on RI/FS rpt dated 1/25/2010, w/attchs | 2219115 |
| 3/8/2010 | Frederic Fudacz / Nossaman (Attorneys) | Wayne Praskins / Environmental Protection Agency - Region 9 | Ltr: Comments on behalf of Fontana Water Co on RI/FS rpt, w/memo 3/8/2010 fr John List to W Praskins | 2219114 |
| 3/10/2010 | Wayne Praskins / Environmental Protection Agency - Region 9 | Brian Zagon / Hunsucker, Goodstein & Nelson (Attorneys) | Email: Informs that public comment period for proposed groundwater cleanup plan ended 3/8/2020 & transmits 8 written comments EPA received, w/o attchs (20100308165225.PDF, EPA RIFS Comments.pdf.) | 2210940 |
| 3/12/2010 | Wayne Praskins / Environmental Protection Agency - Region 9 | Robert Wyatt / Allen, Matkins, Leck, Gamble, Mallory & Natsis (Attorneys) | Ltr: Reviews final RI rpt dated 2/2010 & submitted pursuant to EPA Administrative Order 2009-01, w/attchs | 1122952 |
| 3/24/2010 | Robert Wyatt / Allen, Matkins, Leck, Gamble, Mallory & Natsis (Attorneys) | Wayne Praskins / Environmental Protection Agency - Region 9 | Ltr: Acknowledges receipt of EPA ltr 3/12/2010 & responds to some items in ltr, ref final RI rpt pursuant to EPA AO 2009-01 | 1122957 |
| 3/24/2010 | Gerald Eagans / Redwine & Sherrill (Attorneys) | Wayne Praskins / Environmental Protection Agency - Region 9 | Ltr: Response on behalf of West Valley Water District to comments by Fontana Water Co's counsel F Fudacz in ltr 3/8/2010 to EPA re water rights in Rialto Basin | 1122589 |
| 3/30/2010 | Wayne Praskins / Environmental Protection Agency - Region 9 | Robert Wyatt / Allen, Matkins, Leck, Gamble, Mallory & Natsis (Attorneys) | Ltr: Response to ltr 3/24/2010 fr R Wyatt re EPA's 3/12/2010 comments on final RI rpt | 2210936 |
| 4/1/2010 | GeoLogic Assoc | CA Regional Water Quality Control Board - Santa Ana Region | Groundwater monitoring rpt, Rialto groundwater treatment system, perchlorate & VOC remediation, 1st quarter (winter) 2010 | 1122884 |
| 4/1/2010 | Environmental Protection Agency - Region 9 | - | Table re location, well ID, sample ID (perchlorate), sample ID (VOCs), date, time, type, analysis, sampling method | 1122381 |
| 4/1/2010 | Environmental Protection Agency - Region 9 | - | Table re groundwater characterization field sampling, 3/2010 & 4/2010, Rialto-Colton Groundwater Basin | 1122378 |
| 4/1/2010 | Environmental Protection Agency - Region 9 | - | Table 1, summary of perchlorate & VOCs in groundwater, 3/2010 & 4/2010 | 1122379 |
| 4/6/2010 | Mitkem Laboratories | - | Table 1A, analytical results, Rialto Colton plume, case 39559, SDG #Y63Z7, analysis trace level water samples for trace volatiles, collection date 4/6/2010 | 1122382 |
| 4/8/2010 | Mitkem Laboratories | - | Table 1A, analytical results, Rialto Colton plume, case 39559, SDG #Y6417, analysis trace level water samples for trace volatiles, collection date 4/8/2010 | 1122383 |
| 4/13/2010 | Mitkem Laboratories | - | Table 1A, analytical results, Rialto Colton plume, case 39559, SDG #Y6418, analysis trace level water samples for trace volatiles, collection date 4/13/2010 | 1122384 |
| 4/16/2010 | Mitkem Laboratories | - | Table 1A, analytical results, Rialto Colton plume, case 39559, SDG #Y6438, analysis trace level water samples for trace volatiles, collection date 4/16/2010 | 1122385 |
| 4/20/2010 | Mitkem Laboratories | - | Table 1A, analytical results, Rialto Colton plume, case 39559, SDG #Y6458, analysis trace level water samples for trace volatiles, collection date 4/20/2010 | 1122386 |
| 4/21/2010 | Mitkem Laboratories | - | Table 1A, analytical results, Rialto Colton plume, case 39559, SDG #Y6478, analysis trace level water samples for trace volatiles, collection date 4/21/2010 | 1122387 |
| 4/22/2010 | Brenda Bettencourt / Environmental Protection Agency - Region 9 Laboratory | Wayne Praskins / Environmental Protection Agency - Region 9 | Memo: Transmits results fr analysis of samples fr B F Goodrich 3/2010 & 4/2010 groundwater sampling project #R10S64, SDG #10099C, analysis perchlorate by ion chromatography, w/attch | 1122373 |
| 4/23/2010 | Mitkem Laboratories | - | Table 1A, analytical results, Rialto Colton plume, case 39559, SDG #Y6498, analysis trace level water samples for trace volatiles, collection date 4/23/2010 | 1122388 |
| 5/12/2010 | Brenda Bettencourt / Environmental Protection Agency - Region 9 Laboratory | Wayne Praskins / Environmental Protection Agency - Region 9 | Memo: Transmits results fr analysis of samples fr B F Goodrich 3/2010 & 4/2010 groundwater sampling project #R10S64, SDG #10109A, analysis perchlorate by ion chromatography, w/attch | 1122374 |
| 5/12/2010 | Patty Mata / TestAmerica Analytical Testing Corp | Sam Brathwaite / Ground Zero Analysis, Inc | Laboratory rpt, project Rialto site, 1102.C.03, lab ID #ITE0116-01, ITE0116-02...ITE0116-06, matrix water, w/chain of custody | 1122892 |
| 5/12/2010 | Patty Mata / TestAmerica Analytical Testing Corp | Nicholas Steenhaut / ENVIRON International Corp | Laboratory rpt, project Rialto soil, 04-10801B, lab ID #ITE0122-01, ITE0122-02...ITE0122-07, matrix water, w/chain of custody | 1122893 |
| 5/13/2010 | Patty Mata / TestAmerica Analytical Testing Corp | Sam Brathwaite / Ground Zero Analysis, Inc | Laboratory rpt, project Rialto site, 1102.C.03, lab ID #ITE0470-01, ITE0470-02...ITE0470-07, matrix water, w/chain of custody | 1122894 |
| 5/14/2010 | Brenda Bettencourt / Environmental Protection Agency - Region 9 Laboratory | Wayne Praskins / Environmental Protection Agency - Region 9 | Memo: Transmits results fr analysis of samples fr B F Goodrich 3/2010 & 4/2010 groundwater sampling project #R10S64, SDG #10113B, analysis perchlorate by ion chromatography, w/attch | 1122375 |
| 5/14/2010 | Brenda Bettencourt / Environmental Protection Agency - Region 9 Laboratory | Wayne Praskins / Environmental Protection Agency - Region 9 | Memo: Transmits results fr analysis of samples fr B F Goodrich 3/2010 & 4/2010 groundwater sampling project #R10S64, SDG #10113C, analysis perchlorate by ion chromatography, w/attch | 1122376 |
| 5/17/2010 | Patty Mata / TestAmerica Analytical Testing Corp | Sam Brathwaite / Ground Zero Analysis, Inc | Laboratory rpt, project Rialto site, 1102.C.03, lab ID #ITE0479-01, ITE0479-02 & ITE0479-03, matrix water, w/chain of custody | 1122895 |
| 5/19/2010 | Danielle Sakai / Best, Best & Krieger (Attorneys) | Wayne Praskins / Environmental Protection Agency - Region 9 | Ltr: Responds on behalf of City of Colton to 3/8/2010 comments by Fontana Water Co as part of RIFS public comment process, ref 1961 decree | 1122585 |
| 5/27/2010 | Brenda Bettencourt / Environmental Protection Agency - Region 9 Laboratory | Wayne Praskins / Environmental Protection Agency - Region 9 | Memo: Transmits results fr analysis of samples fr B F Goodrich 3/2010 & 4/2010 groundwater sampling project #R10S64, SDG #10116A, analysis perchlorate by ion chromatography, w/attch | 1122377 |
| 6/2/2010 | Samuel Fuller / San Bernardino Valley Municipal Water District | Robert Young / Fontana Water Co | Ltr: Informs that stipulating parties requested San Bernardino Valley Municipal Water District monitor compliance with decree entered on 12/22/61 for Lytle Creek Water & Improvement Co vs Fontana Ranchos Water Co, w/attch | 2219111 |
| 6/3/2010 | Santiago Lee / I C F International/Laboratory Data Consultants | - | Data Validation Rpt: Case #39559, SDG #Y6498, 16 groundwater samples, analysis trace volatiles, collection date 4/23/2010, w/TL to W Praskins | 2217384 |
| 6/16/2010 | Wayne Praskins / Environmental Protection Agency - Region 9 | Brian Zagon / Hunsucker, Goodstein & Nelson (Attorneys) | Email: Results fr 3/2010 & 4/2010 samples collected fr groundwater wells analyzed for perchlorate & VOCs, w/o attchs (BFGoodrich_MarApr2010_Analytical_detects.pdf, BFGoodrichSite_MarApr2010_AGWelevations.pdf) | 2217385 |
| 8/1/2010 | C H 2 M Hill, Inc | Environmental Protection Agency - Region 9 | Site investigation multi-port monitoring well installation | 1122888 |
| 8/3/2010 | GeoLogic Assoc | CA Regional Water Quality Control Board - Santa Ana Region | Groundwater monitoring rpt, Rialto groundwater treatment system, perchlorate & VOC remediation, 2nd quarter (spring) 2010 (7/2010, revised 8/3/2010) | 1122886 |
| 8/11/2010 | Patty Mata / TestAmerica Analytical Testing Corp | Nicholas Steenhaut / ENVIRON International Corp | Laboratory rpt, project Rialto soil, 04-10801B, lab ID #ITH0046-01, ITH0046-02...ITH0046-07, matrix water, w/chain of custody | 1122896 |
| 8/13/2010 | Patty Mata / TestAmerica Analytical Testing Corp | Sam Brathwaite / Ground Zero Analysis, Inc | Laboratory rpt, project Rialto site, 1102.C.03, lab ID #ITH0372-01, ITH0372-02...ITH0372-05, matrix water, w/chain of custody | 1122897 |
| 8/16/2010 | Patty Mata / TestAmerica Analytical Testing Corp | Sam Brathwaite / Ground Zero Analysis, Inc | Laboratory rpt, project Rialto site, 1102.C.03, lab ID #ITH0550-01, ITH0550-02...ITH0550-07, matrix water, w/chain of custody | 1122898 |
| 8/17/2010 | Patty Mata / TestAmerica Analytical Testing Corp | Sam Brathwaite / Ground Zero Analysis, Inc | Laboratory rpt, project Rialto site, 1102.C.03, lab ID #ITH0706-01, ITH0706-02 & ITH0706-03, matrix water, w/chain of custody | 1122899 |
| 9/28/2010 | Kurt Berchtold / CA Regional Water Quality Control Board - Santa Ana Region | Wayne Praskins / Environmental Protection Agency - Region 9 | Ltr: Comments on draft interim action ROD, w/memo fr DTSC to K Berchtold | 1123018 |
| 9/30/2010 | Environmental Protection Agency - Region 9 | - | Interim action ROD, Source Area OU | 1123028 |
| 9/30/2010 | Kurt Berchtold / CA Regional Water Quality Control Board - Santa Ana Region | Wayne Praskins / Environmental Protection Agency - Region 9 | Ltr: Clarification of comments on draft Interim action ROD | 1123029 |
| 9/30/2010 | Stewart Black / CA Regional Water Quality Control Board - Santa Ana Region | Wayne Praskins / Environmental Protection Agency - Region 9 | Ltr: Clarification of comments on draft Interim action ROD | 1123027 |