Arkema Technical Documents | Region 10 | US EPA

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Arkema Technical Documents

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EPA’s determination for additional sampling at Arkema (PDF) (11 pp, 420 KB) - December 2014

Revised Final Performance Monitoring Plan - Groundwater source Control Measure (PDF) (94 pp, 5MB) - July 2014

Arkema Draft Sediment Sampling Work Plan (PDF) (697 pp, 25.5MB) - April 2014

March 2014 Monthly Monitoring Report; Stormwater Source Control Measures; Arkema Portland Facility (PDF) (212 pp, 5MB) - March 2014

January 2014 Monthly Monitoring Report; Stormwater Source Control Measures; Arkema Portland Facility (PDF) (183 pp, 6MB) - February 2014

Stormwater Source Control Measures; Arkema Portland Facility (PDF) (187 pp, 3.4MB) - January 2014

Final Performance Monitoring Plan - Groundwater Source Control Measure (PDF) (56 pp, 2.5MB) - August 2013

Draft Upland Feasibility Study Work Plan (PDF) (1318 pp, 28MB) - July 2013

Draft Engineering Evaluation and Cost Analysis Arkema Early Action (PDF) (1155 pp, 77MB) - July 26, 2012

Groundwater Barrier Wall Final Design (PDF) (641 pp, 12MB)

Arkema Early Action Engineering Evaluation/Cost Analysis Technical Briefing Letter (PDF) (11 pp, 100K) - March 28, 2012

Removal Action Alternatives Briefing (PDF) (24 pp, 5MB) - February 16, 2012

Hot Spot Evaluation Update (PDF) (90 pp, 3.4MB) - January 2012

Arkema Early Action, Removal Action Area Characterization Report (PDF) (932 pp, 33MB) - October 14, 2011

Final Design Report Stormwater Source Control Measures (PDF) (2020 pp, 64MB) - September 30, 2011

Final Decision on Disputes of June 3, 2011 Regarding Technical Direction (PDF) (10 pp, 1MB) - August 31, 2011

Estimates of contaminant Releases during Arkema Dredging (PDF) (11 pp, 578K) - August 26, 2011

Groundwater Extraction and Treatment System Pre-Final Design (PDF) (381 pp, 14.6MB) - February 7, 2011

Construction Quality Assurance/Quality Control Plan - Groundwater Source Control Measure (PDF) (25 pp, 300K) - January 2011

Performance Monitoring Plan – Groundwater Source Control Measure (PDF) (46 pp, 4MB) - January 2011

Draft Removal Action Area Characterization Report (PDF) (979 pp, 29MB) - December 24, 2010

Draft Stormwater Source Control Design Report (PDF) (1166 pp, 20.1MB) - December 2, 2010

Arkema Field Oversight Report and Photos (PDF) (112 pp, 2.4MB) - November 2010

Pre-Final Design Construction Drawings and Technical Specifications GWSCM GWBW (PDF) (570 pp, 21MB) - October 2010

Subsurface Debris Investigation Technical Memorandum (PDF) (19 pp, 1.5MB) - July 2010

Data Gaps Investigation Report (PDF) (829 pp, 15.9MB) - June 2010

Preliminary Design Report (PDR) - Groundwater Source Control Measure (PDF) (329 pp, 9.8MB) - May 2010

Preliminary Combined Disposal Facility (CDF) Screening Evaluation (PDF) (201 pp, 12.7MB) - May 2010

Draft Preliminary CDF Evaluation (PDF) (193 pp, 12MB) - February 2010

Map of 1996 high water mark for Arkema, Siltronic, and Gasco Sites (PDF) (1 page 310K) - November 2009

Summary of Remedial Alternatives, Riverbank Source Control Measure (PDF) (19 pp, 1MB) - October 16, 2009

Draft Stormwater Source Control Measure Design & Implementation Work Plan (PDF) (38pp., 1.6MB) - October 07, 2009

August Groundwater Monitoring Report (PDF) (94 pp, 3MB)

EPA Draft Sampling and Analysis Plan for Sediment Split Sampling (PDF) (160pp., 5MB) - August 08, 2009

DRAFT Groundwater Source Control Measure Design and Implementation Work Plan (PDF) (30pp., 726KB to start) - June 2009

Revised Arkema Draft Health and Safety Plan, Field Sampling Plan, and Quality Assurance Plan (PDF) (1 page 86K to start) draft undergoing review - May 15, 2009

Geotechnical Investigation Letter Revisions to the Arkema EE/CA Geotechnical Program (PDF) (6 pp, 238K) - April 2009

DRAFT - Arkema Data Gaps Assessment Work Plan (PDF) (98 pp, 6MB to start) - March 2009

Arkema Upland Level II Screening - Ecological Risk Assessment (PDF) (52 pp, 1.4MB to start) - January 16, 2009

Draft River Bank Erodible Soil Source Control Screening Evaluation, undergoing Agency review (PDF) (68 pp, 2.4MB) - December 15, 2008.

Draft Arkema Feasibility Study Schedule, undergoing Agency review (PDF) (7 pp, 103K) - December 15, 2008.

Arkema Site: Upland Areas Human Health Risk Assessment (PDF) (213 pp, 19.4MB to start). NOTE: Large File: 56K download time may exceed 30 minutes. - December 5, 2008

Former Arkema (previously ATOFINA) Portland Plant Monitoring Well Installation Work Plan (PDF) (14 pp, 1.3MB) - draft undergoing government review - December 2, 2008

Arkema Uplands Agreed Order on Consent (PDF) (26 pp, 160K to start) - October 31, 2008

Response to EPA's August 21, 2008 and September 16, 2008 Comment Letters Regarding Work Plan Addendum (PDF) (23 pp, 150K to start) - October 10, 2008

Draft Arkema Work Plan Addendum Appendices: Field Sampling Plan, Quality Assurance Project Plan, and Health and Safety Plan (PDF) (2 pp, 165K to start) August 21, 2008, Draft undergoing government review.

Arkema EE/CA Consultation Meeting (PDF) (31 pp, 2.75MB) - August 8, 2008

EPA June 19 CDF Evaluation Letter and Arkema July 25, 2008 Response (PDF) (40 pp, 3.75MB to start) - July 25, 2008

Arkema Early Action EE/CA Work Plan, Work Plan Addendum (PDF) (47 pp, 1.02MB to start) - July 22, 2008

Arkema Draft Stormwater Interim Remedial Measures Focused Feasibility Study Report (PDF) (94 pp, 4.82MB to start) NOTE: Large File: 56K download time may exceed 15 minutes. - July 3, 2008.

Arkema Site: Upland Areas Human Health Risk Assessment (PDF) (119 pp, 1.4MB to start) NOTE: Large File: 56K download time may exceed 20 minutes. You will need an excel viewer to view some of these files . May 16, 2008.

Final Decision On Disputes of February 19,2008 and March 27,2008 by Legacy Site Services LLC (LSS) Regarding U.S. EPA Region 10 Docket No. CERCLA 10-2005-0191, May 23, 2008 (11pp, 1.8MB)

DRAFT Focused Feasibility Study Groundwater Source Control Interim Remedial Measure (PDF) (423 pp, 9.2MB to start) NOTE: Large File: 56K download time may exceed 30 minutes. May 15, 2008.

Treatment of Groundwater from the Arkema Facility in Portland, Oregon: Bench-Scale Treatability Study (PDF) (188 pp, 1.7MB to start) draft undergoing government review - April 10, 2008

Groundwater Source Control Evaluation Addendum I (PDF) (83 pp, 5MB) - March 2008

LSS Dispute Position Statement and Associated Documents (PDF) (12 pp, 3.8MB to start) - February 19, 2008

Draft Arkema Upland Level II Screening Ecological Risk Assessment (PDF) (88 pp, 42MB to start) NOTE: Large File: 56K download time may exceed 30 minutes. - February 13, 2008

Arkema presentation at February CAG, Feb 13, 2008 (PDF) (25 pp, 570K)

Summary of Remedial Technology Alternatives, Groundwater Source Control Interim Remedial Measure Focused Feasibility Study (PDF) (23 pp, 2.6MB) - January 2, 2008

Draft Groundwater Modeling Report (PDF) (120 pp, 5.25MB) - December 2007 - Draft undergoing governmental review- Note: 56K Download Times may be over ten minutes for this report.

Stormwater Interim Remedial Measures Field Sampling and Data Report (PDF) (68 pp, 3.3MB to start) - November 2, 2007 Note: 56K Download Times may be over one hour for some files contained in this report.

Evaluation of Groundwater Discharge to the Willamette River - RP Site (PDF) (29 pp, 1.4MB) -October 1, 2007.

Draft West Doane Lake Engineering Evaluation/Cost Analysis - RP Site (PDF) (1014 pp, 22.5MB) - September 11, 2007 Note: 56K Download Times may be over one hour for some files contained in this report.

Memorandum: Data Gap Analysis of uncertainty in the 3D kriged model of DDx (PDF) (7 pp, 1.2MB) Undergoing governmental review July 23, 2007.

Stage 1 Source Control Evaluation - Revised Modification to Scope (PDF) (8 pp, 273K) Undergoing governmental review July 12, 2007.

Arkema June 26 Presentation It is recommended that only broadband users access these files. -June 26, 2007.

Stage 2 Source Control Evaluation Technical Memorandum RP-Portland Site (includes Arkema lots 1 and 2 data) (PDF) (452 pp, 30MB), June 21, 2007, undergoing government review. Note: 56K Download Times may be over one hour for some files contained in this report.

Draft North Front Avenue Interim Source Control Measure Work Plan RP - Portland Site (Includes Arkema lots 1 &2 data) (PDF) (141 pp, 14.3MB) draft undergoing government review - July 10, 2007. Note: 56K Download Times may be over thirty minutes for some files contained in this report.

Arkema EECA Workplan 2007 (PDF) (30 pp, 1MB to start) Note: 56K Download Times may be over one hour for some files contained in this report. -May 11, 2007

Sewer Line Location Under Arkema Lots 1&2 (PDF) (1 pg. 1.62MB) - May 9, 2007

Groundwater Source Control Evaluation (PDF) (249 pp, 8.4MB) - draft undergoing governmental review - April 17, 2007.

Response to February 15 Meeting Discussion and Materials Provided (PDF) (14 pp, 1MB to start) - March 27, 2007

Geotechnical Evaluation and Slurry Compatibility Testing Scope Document (PDF) (12 pp, 337K) - March 23, 2007 undergoing government review

Round 2 Data Report-Arkema Figure Excerpts (PDF) (26 pp, 11.5MB)- February 21, 2007

Transcripts from EPA-LSS Meeting Regarding Principal Threat Material Definition and Removal Action Area Process at the Arkema Site - February 15, 2007

Proposed Riverbank Soil Sampling Approval and Data - January 29, 2007. (5 pp, 381K to start)

Responses to ODEQ Comments on the Upland Remedial Investigation Report, Lots 3 & 4, Tract A January 24, 2007 (12 pp, 2.4MB to start)

Proposed Riverbank Soil Sampling Memo - December 4, 2006 undergoing governmental review (PDF, 4pp. 695KB)

Response to ODEQ Comments on Final Upland RI - December 1, 2006 (draft undergoing government review) (PDF, 32pp. 5.75MB)

Draft Groundwater Source Control IRM Scoping Technical Memorandum - December 2006 (PDF, 60pp. 611KB)

Administrative Order on Consent for Removal Action (PDF, 8pp. 509KB) : Dispute of EPA's Decision to Disapprove Arkema's July 2006 Engineering Evaluation Cost Analysis (EE/CA) Work Plan and Modify the Work Plan, and Unresolved Directed Changes. - November 29, 2006.

Upland Groundwater Dioxing/Furan Sampling Technical Memo - Revised version, draft undergoing EPA review, upland source control document -October 6, 2006. (PDF, 18pp. 274KB)

Comparison of Biotic and Abiotic Treatment Approaches for Co-Mingled Perchlorate, Nitrate, and Nitramine Explosives in Groundwater (PDF) (20 pp, 756K) - September 3, 2006.

Winter 2006 RP Groundwater Data Submittal (PDF) (263 pp, 13.3MB) - August 7, 2006.

Request for Upland Dioxin Testing Letter - August 7, 2006. (PDF, 15pp. 850 KB)

Revised Draft Arkema Work Plan: Engineering Evaluation/ Cost Analysis undergoing EPA Review - July 14, 2006. (PDF, 237pp. 2.31 MB to start)

EPA comments to Arkema December 2005 through June 12, 2006 - July 12, 2006. (PDF, 48pp. 1 MB)

Arkema Workplan for a Pilot Test of IN SITU Bioremediation of Perchlorate in Groundwater draft undergoing government review- July 8, 2006. (PDF, 84pp. 2 MB)

Arkema DRAFT Dissolved Plume Figures for Revised EE/CA Workplan May 30, 2006 (46 pp, 3.24 MB pdf)

Arkema Stormwater Work Plan for May, June and July - May 25, 2006 (upland source control document, 142pp, 5 MB, pdf)

Arkema Manufacturing Processes & Dioxin - May 18, 2006 (4 pp, 321 KB, pdf)

Stage 1 Source Control Evaluation Technical Memorandum RP - Portland Site (includes Arkema lots 1 and 2 data) (PDF) (742 pp, 35MB) , May 19, 2006

Results of Phase I Vadose Zone Perchlorate Distribution Assessment - May 10, 2006 (upland source control document, 6 pp, 300 KB pdf)

Draft Hot Spot Evaluation Report - May 3, 2006 (upland source control document, 150 pp, 4.4 MB pdf)

Draft DNAPL Sampling Summary Report - April 28, 2006 (upland source control document, 80 pp, 4 MB pdf to start)

In-Situ Persulfate Oxidation Interim Remedial Measure Status Update - April 26, 2006 (upland source control document, 13 pp, 300 KB pdf)

Monthly Progress Report for March 2006, Hexavalent Chromium Reduction IRM - April 13, 2006 (upland source control document, 12 pp, 3 MB pdf)

Arkema Workplan for a Pilot Test of In-Situ Bioremediation of Perchlorate in Groundwater at the Former Atofina Chemicals Site - March 27, 2006 (upland source control document, 70 pp, 2.3 MB pdf)

Arkema; Final ODEQ Memo Calculating Sediment Screening Levels for DDT - March 22, 2006 (11 pp, 200 KB pdf)

Monthly Progress Report for February 2006, Hexavalent Chromium Reduction Interim Remedial Measure (IRM), Arkema Inc.- March 16, 2006 (upland source control document, 60 pp, 6 MB pdf)

Arkema Monthly Progress Report for January 2006, Hexavalent Chromium Reduction Interim Remedial Measure (IRM), Portland Facility (PDF) (20 pp, 500K) - February 22, 2006

Arkema Evaluation of Potential Anion Interference in Perchlorate Analyses (PDF) (5 pp, 100K) - January 9, 2006

Arkema Disputed Directed Changes to EE/CA Workplan (round 2) (PDF) (8 pp, 500K) - February 2, 2006

Arkema Lots 1 and 2 Data Report - January 6, 2006 (PDF) (130 pp, 4.5MB)

Arkema Disputed Directed Changes to EE/CA Workplan (PDF), January 2006 (15 pp, 1MB)

Arkema Work Plan for Evaluation of Dense Non-Aqueous Phase Liquid Monochlorobenzene (PDF) (11 pp, 1MB) - January 12, 2006

Perchlorate: Sources, Uses, and Occurrences in the Environment (PDF) (25 pp, 281K) - Winter 2005

Spring 2005 RP Post-Characterizatrion Groundwater Event Technical Memorandum (PDF) (446 pp, 7MB) December 21, 2005.

Arkema Chrome IRM November Monthly Report (27 pp, 4 MB) - December 2005

Monthly Progress Report for December 2005, Hexavalent Chromium Reduction Interim Remedial Measure (IRM), Arkema, Inc., Portland Facility (PDF) (14 pp, 3.2 MB) - December 2005

Arkema Southeast Shoreline Subtitle Slope Cap Approval Letter (PDF) (3 pp, 21K) - December 16, 2005.

Arkema Soil Vapor Extraction System - Workplan for Performance Evaluation (PDF) (9 pp, 300K) - December 2, 2005

EPA Comments on Arkema Draft Workplan (PDF) (4 pp, 66K) - November 1, 2005

Draft Arkema EE/CA Workplan (PDF) (132 pp 896K) - September 26, 2005

Modelling Salinity Inhibition Effects During Biodegradation of Perchlorate (PDF) (13 pp, 895K) - September 25, 2005.

Arkema Upland Remedial Investigation Lots 3 & 4, Tract A- Revision 1 (PDF) (220 pp, 1 MB)

Arkema In-situ Persulfate Oxidation Interim Remedial Measure Work Plan (PDF) (75 pp, 4 MB)

Draft Stage 1 Source Control Evaluation Work Plan (PDF) (124 pp, 4.7MB) - July 1, 2005.

Administrative Order on Consent (PDF) (59 pp, 3.5) - June 27, 2005

Arkema Approval Memorandum (PDF) (4 pp, 53K) - June 27, 2005

Statement of Work (PDF) (21 pp 153 K) - June 27, 2005

Perchlorate: A System to Track Sampling and Cleanup Results is Needed (PDF) (79 pp, 1.23MB) May 2005

Preliminary Removal Action Area Figure (PDF) (1 pp, 351 K) May 2005

Spring 2004 RP Post-Charactertization Groundwater Technical Memorandum (PDF) (418 pp, 11MB) November 1, 2004.

Appendix E of Spring 2004 RP Post-Characterization Groundwater Techical memorandum (PDF) (92 pp, 225K) November 1, 2004.

Development of Cultures Capable of Reducing Perchlorate and Nitrate in High Salt Solutions (PDF) (9 pp, 269K) - April 23, 2004.

DRAFT Upland Remedial Investigation Report (PDF) (123 pp 408 K to start) - February 2004

Arkema Phase II Stage 1&2 In-River Groundwater Sediment Investigation December 2003 (153 pp, 2.8 MB pdf)

Arkema Environmental Summary Report, Lots 1 and 2 (141 pp, 8.3 MB pdf) - July 23, 2003

POU/POE Removal of Perchlorate (PDF) (4 pp, 103K) - August 2003

Reduction of Perchlorate and Nitrate by Salt Tolerant Bacteria (PDF) (7 pp, 191K) - September 25, 2001.

Final RP Groundwater Characterization Report (PDF) (332 pp, 57MB) March 28, 2001.

Biological Perchlorate Reduction in High-Salinity Solutions (PDF) (5 pp, 180K) September 1, 2000

Perchlorate and Chloride Contaminants in Selected Arkema Monitoring Wells (PDF) (1 pp, 18K)

Sodium Chlorate Listing Background Document for the Inorganic Chemical Listing Determination (PDF) August, 2000 (49 pp, 273K)

Arkema Surface Soil Sampling Workplan, Lots 1 and 2 December 20, 1994 (8 pp, 1 MB pdf)

Elf Atochem Acid Plant Area Remedial Investigation Interim Report (upland source control document, 333 pp, 3.9 MB pdf) - June 1999

Elf Atochem Acid Plant Area Remedial Investigation Interim Report June 1999 (333 pp, 12.4 MB pdf)

Arkema Remedial Action Report for North Plant Area (164 pp, 10.6 MB pdf) - April 1995


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