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Rest of River - Reports

• Community Updates
• Corrective Measures Study
• Corrective Measures Study Proposal
• Ecological Risk Assessment
• General
• Human Health Risk Assessment
• Interim Media Protection Goals Proposal
• Modeling
• RCRA Facility Investigation Report

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Community Updates

• Potential Remediation Approaches to the GE-Pittsfield­Housatonic River Site "Rest of River" PCB Contamination (PDF) (10 pp, 2.5MB)
  • Massachusetts Department of Fish and Game Core Habitat Area Map - Core Area I, May 2012 (PDF) (1 pg, 4.1MB)
  • Massachusetts Department of Fish and Game Core Habitat Area Map - Species Richness and Vernal Pools, May 2012 (PDF) (1 pg, 6.2MB)
• EPA's Cleanup Decision Process Information Sheet (April 2011) (PDF) (2 pp, 845K)
• Cleanup Alternatives in the Revised CMS Information Sheet (April 2011) (PDF) (4 pp, 1.4MB)
• Site Update/PCB Fact Sheet, January 2011 (PDF) (6 pp, 700K)
• GE/Housatonic River Site Community Update Fact Sheet, August 2009 (PDF) (4 pp, 939K)
• Two Page Summary: EPA Requires GE to Revise Its Corrective Measures Study, Rest of River, September 2008 (PDF) (2 pp, 123K)
• Corrective Measures Study (CMS) Fact Sheet Housatonic River - Rest of River, March 2008 (PDF) (8 pp, 873K)
• Corrective Measures Study (CMS) Process Fact Sheet Housatonic River - Rest of River, October 2007 (PDF) (8 pp, 854K)
• Ecological Risk Assessment Fact Sheet Housatonic River - Rest of River, June 2003 (PDF) (8 pp, 461K)
• Human Health Risk Assessment Fact Sheet Housatonic River - Rest of River, June 2003 (PDF) (8 pp, 232K)
• Legal
  • GE Opening Brief (PDF) (71 pp, 351K)
  • EPA Brief (PDF) (97 pp, 364K)
  • GE Reply Brief (PDF) (41 pp, 226K)
  • GE Reply Brief Addendum (PDF) (25 pp, 162K)
  • Amicus for EPA Filed by NRDC (PDF) (203 pp, 2.2MB)
  • Amicus for GE filed by NAM (PDF) (35 pp, 173K)

Corrective Measures Study

• Informal Public Comments on GE's Revised CMS (PDF) (689 pp, 34.2MB)
  
  

Reports and Documents

• Combined Stakeholder Comments to National Remedy Review Board, Revised Corrective Measures Study (CMS) Report, Rest of River, July 2011(PDF) (250 pp, 14MB)
• Revised Corrective Measures Study Report - October 2010 (PDF) (1175 pp, 5.3MB)
  • Figure ES-1 (PDF) (1 pg, 648K)
  • Section 1 Tables (PDF) (5 pp, 142K)
  • Section 1 Figures (PDF) (2 pp, 691K)
  • Section 2 Tables (PDF) (12 pp, 99K)
  • Section 3 Tables (PDF) (8 pp, 157K)
  • Section 3 Figures (PDF) (36 pp, 25.2MB)
  • Section 4 Tables (PDF) (7 pp, 112K)
  • Section 4 Figures (PDF) (24 pp, 10.1MB)
  • Section 5 Tables (PDF) (2 pp, 31K)
  • Section 5 Figures (PDF) (3 pp, 71K)
  • Section 6 Tables (PDF) (63 pp, 782K)
  • Section 6 Figures (PDF) (57 pp, 11.3MB)
  • Section 7 Tables (PDF) (72 pp, 1.5MB)
  • Section 7 Figures (PDF) (16 pp, 3.9MB)
  • Section 8 Tables (PDF) (19 pp, 723K)
  • Section 8 Figures (PDF) (38 pp, 9.5MB)
  • Section 9 Figures (PDF) (13 pp, 7.3MB)
  • Section 10 Tables (PDF) (6 pp, 50K)
  • Appendix A: Updated Assessment of In Situ Treatment Techologies (PDF) (27 pp, 222K)
  • Appendix B: Evaluation of Rail Transport Option (PDF) (4 pp, 84K)
  • Appendix C: ARARs Tables (PDF) (532 pp, 10.7MB)
  • Appendix D: Basis for Target Floodplain Soil Concentrations Associated with PCB IMPG for Insectivorous Birds (PDF) (16 pp, 790K)
  • Appendix E: Methodology for Developing Target Floodplain Soil PCB Concentrations Associated with the IMPGs for Mink (PDF) (29 pp, 291K)
  • Appendix F: Evaluation of Shear Stress and Need for Over-Excavation for SED 9 (PDF) (16 pp, 899K)
  • Appendix G: Riverbank Stabilization Techniques (PDF) (82 pp, 4MB)
  • Appendix H: EPA Memorandum on Methodology for Calculating "Blended" Fish Concentrations (PDF) (4 pp, 114K)
  • Appendix I: Results of Sensitivity Modeling Analyses Relating to Fish (PDF) (21 pp, 142K)
  • Appendix J: Connecticut 1-D Analysis (PDF) (34 pp, 944K)
  • Appendix K: Model Output Graphics (PDF) (1392 pp, 22.6MB)
  • Appendix L - Revised Assessment of MESA Issues for Rare Species Under Remedia Alternatives (PDF) (403 pp, 9.2MB)
  • Appendix M: Carbon Footprint / Greenhouse Gas Inventory (PDF) (227 pp, 2.5MB)
  • Appendix N: Revised Evaluation of Work Site and Transportation Accident Risks (PDF) (40 pp, 287K)
  • Appendix O: BioGenesis Sediment Washing Technology - Bench-Scale Treatability Study Report (BioGenesis, March 2008) (PDF) (109 pp, 4MB)
  • Appendix P: Chemical Extraction Bench-Scale Study Evaluation (PDF) (21 pp, 795K)
  • Appendix Q: Cost Estimate Supporting Information (PDF) (58 pp, 180K)
• Evaluation of Remedial Alternatives Using Sound Ecological Assumptions Housatonic River - Rest of River (PDF) (65 pp, 1.9MB)
• Corrective Measures Study Report (PDF) (722 pp, 3.4MB)
  • Section 1 Figures (PDF) (2 pp, 272K)
  • Section 1 Tables (PDF) (3 pp, 33K)
  • Section 2 Tables (PDF) (35 pp, 152K)
  • Section 3 Figures (PDF) (23 pp, 16.4MB)
  • Section 3 Tables (PDF) (10 pp, 37K)
  • Section 4 Figures (PDF) (45 pp, 33.5MB)
  • Section 4 Tables (PDF) (51 pp, 140K)
  • Section 5 Figures (PDF) (19 pp, 12.9MB)
  • Section 5 Tables (PDF) (7 pp, 35K)
  • Section 6 Figures (PDF) (6 pp, 190.2MB)
  • Section 6 Tables (PDF) (56 pp, 279K)
  • Section 7 Figures (PDF) (2 pp, 392K)
  • Appendix A: Chemical Extraction Treatability Study Report (PDF) (109 pp, 4MB)
  • Appendix B: Basis for Target Floodplain Soil Concentrations Associated with PCB IMPG for Insectivorous Birds (PDF) (16 pp, 468K)
  • Appendix C: Methodology for Developing Target Floodplain Soil PCB Concentrations Associated with the IMPGs for Mink (PDF) (31 pp, 148K)
  • Appendix D: Estimation of Work Site and Transportation Accident Risks (PDF) (33 pp, 1MB)
  • Appendix E: Cost Estimate Supporting Information (PDF) (40 pp, 115K)
  • Appendix F: Connecticut 1D Analysis (PDF) (33 pp, 1.8MB)
  • Appendix G: Model Output Graphics (PDF) (1225 pp, 20.5MB)
• Letter (with attached report ) from Mooney (GE) to Svirsky (USEPA), April 4, 2008, Re: Rest of River; Phase 1 Cultural Resources Assessment Report - Public Release Version (PDF) (103 pp, 3.5MB)
• Corrective Measures Study (CMS) Fact Sheet Housatonic River - Rest of River, March 2008 (PDF) (8 pp, 873K)
• Corrective Measures Study (CMS) Process Fact Sheet Housatonic River - Rest of River, October 2007 (PDF) (8 pp, 854K)

Public Comments

• Informal Public Comments for GE's Response to EPA's Interim Comments on the Corrective Measures Study for the Rest of The River, 2009 (PDF) (90 pp, 6MB)
• Corrective Measures Study Public Input, 2008 (PDF) (299 pp, 17.2MB)

Related Correspondence

• Letter (with attached report) from Silfer (GE) to Svirsky (USEPA), February 12, 2010, Re: GE-Pittsfield/Housatonic River Site; Rest of River, Supplement to Response to EPA's Interim Comments on CMS Report: Evaluation of Example Areas (PDF) (577 pp, 64.9MB)
• Letter from Svirsky (USEPA) to Silfer (GE), December 22, 2009, Re: Revised Date for Submission of the Supplement to Interim Response (PDF) (2 pp, 42K)
• Letter from Silfer (GE) to Svirsky (USEPA), December 10, 2009, Re: Rest of River: Revised Date for Submission of Supplement to Interim Reponse (PDF) (2 pp, 99K)
• Letter from Svirsky (USEPA) to Silfer (GE), April 14, 2009, Re: GE-Pittsfield/Housatonic River Site: Rest of River Corrective Measures Study: Submittal of an Addendum to the CMS Proposal (PDF) (4 pp, 40K)
• Letter from McLaren (GE) to Conway (USEPA), April 10, 2009, Re: Additional Rest of River Corrective Measures Study Sediment Alternative Proposed by EPA and the GE Draft Work Plan for an Additional Alternative (PDF) (2 pp, 98K)
• Letter from Svirsky (USEPA) to Silfer (GE), April 1, 2009, Re: GE-Pittsfield/Housatonic River Site: Addendum to the Corrective Measures Study (CMS) Proposal and Subsequent Submittal of a Revised CMS (PDF) (4 pp, 141K)
• Letter (with enclosure) from Silfer (GE) to Svirsky (USEPA), March 6, 2009, Re: Rest of River; Response to EPA's Interim Comments on Corrective Measures Study Report (PDF) (292 pp, 2.1MB)
  • Tables (PDF) (66 pp, 412K)
  • Figures (PDF) (146 pp, 11.6MB)
  • Appendix A: Carbon Footprint/Greenhouse Gas Inventory Analysis for Sediment, Floodplain, and Treatment/Disposition Alternatives (PDF) (117 pp, 709K)
  • Appendix B: Assessment of MESA Issues for Rare Species Under Remedial Alternatives (PDF) (299 pp, 5.1MB)
  • Appendix C: Chemical Extraction Bench-Scale Study Evaluation (PDF) (25 pp, 552K)
  • Appendix D: Cost Estimate Supporting Information (PDF) (34 pp, 101K)
  • Appendix E: ARARs Tables for Sediment and Floodplain Alternatives (PDF) (321 pp, 5.9MB)
  • Appendix F: Methodology Used for Calculating "Blended" Fish Concentrations (PDF) (4 pp, 78K)
  • Appendix G: Memorandum Regarding Evaluation of Model Input Differences (PDF) (8 pp, 364K)
• Letter (with enclosure) from Mooney (GE) to Svirsky (USEPA), March 5, 2009, Re: Rest of River; Response to EPA's Comments on the Phase 1 Cultural Resources Assessment - Public Release Version (PDF) (7 pp, 1.4MB)
• Letter from Klee (GE) to Leighton (USEPA), February 25, 2009, Re: Rest of River; Corrective Measures Study Supplement (PDF) (2 pp, 517K)
• Letter from Leighton (USEPA) to Klee (GE), February 5, 2009, Re: Rest of River Corrective Measures Study Supplement (PDF) (2 pp, 703K)
• Letter from Klee (GE) to Varney (USEPA), January 16, 2009, Re: Rest of River Corrective Measures Study Supplement (PDF) (2 pp, 394K)
• Letter from Svirsky (USEPA) to Silfer (GE), November 20, 2008, Re: EPA's Response to General Electric's Request for Extension on the Corrective Measures Study (PDF) (2 pp, 197K)
• Letter from Silfer (GE) to Svirsky (USEPA), November 5, 2008, Re: Rest of River Time For Submission of Corrective Measures Study Supplement (PDF) (4 pp, 205K)
• Letter from Silfer (GE) to Svirsky (USEPA), October 31, 2008, Re: Rest of River Response to EPA's Specific Comment 52 on Corrective Measures Study Report (PDF) (9 pp, 2.1MB)
• Letter (with attachments) from Svirsky (USEPA) to Silfer (GE), October 30, 2008, Re: Direction on EPA's Specific Comment 42 on GE's March 2008 Corrective Measures Study (PDF) (12 pp, 9.6MB)
• Letter (with attachments) from Owens (USEPA) to Silfer (GE), September 9, 2008, Re: EPA Comments on GE's March 2008 Corrective Measures Study Report (PDF) (42 pp, 197K)
• Letter from John W. Olver (Member of Congress) to Robert W. Varney (USEPA), July 23, 2008, Re: Proposed Corrective Measures Study submitted by the General Electric Company (PDF) (2 pp, 116K)
• Letter from Robert Varney (USEPA) to Ann Klee (GE), July 7, 2008, Re: Response to Letter regarding Corrective Measures Study (CMS) Proposal (PDF) (1 pg, 36K)
• Letter from Robert Varney (USEPA) to Ian Bowles (Executive Office of Energy and Environmental Affairs), July 7, 2008, Re; Response to Letter regarding Corrective Measures Study (CMS) Proposal (PDF) (1 pg, 47K)
• Letter from Ann R. Klee (GE) to Robert W. Varney (USEPA), June 16, 2008, Re: Pittsfield/Housatonic River Site Rest of River Corrective Measures Study (2 pp, 39K)
• Letter from Ian Bowles (MA Executive Office of Energy and Environmental Affairs) to Robert W. Varney (USEPA), June 16, 2008, Re: Housatonic River - Rest of the River Corrective Measure Study (PDF) (2 pp, 44K)
• Letter from Silfer (GE) to Svirsky (USEPA), December 19, 2007, Re: Rest of River, Flaws in EPA Model (PDF) (4 pp, 935K)
• Letter from Svirsky (USEPA) to Simon (MHC), November 20, 2007, Re: Rest of River Phase I Cultural Resource Assessment (PDF) (3 pp, 19K)
• Letter from Mooney (GE) to Svirsky (USEPA), November 15, 2007, Re: Rest of River, Phase 1 Cultural Resources Assessment - Credentials of Underwater Archaeologist (PDF) (4 pp, 150K)
• Letter (with attachments) from Svirsky (USEPA) to Silfer (GE), October 16, 2007, Re: EPAs Conditional Approval of the Phase 1 Cultural Resources Assessment (CRA) - Credentials of Archaeologists Conducting the CRA (PDF) (9 pp, 581K)

Corrective Measures Study Proposal

Reports and Documents

• Letter from Svirsky (USEPA) to Silfer (GE), June 24, 2010, Re: GE-Pittsfield/Housatonic River Site: Rest of River, Schedule for Submission of Revised Corrective Measures Study Report (PDF) (2 pp, 66K)
• Letter from Silfer (GE) to Svirsky (USEPA), June 18, 2010, Re: GE-Pittsfield/Housatonic River Site; Rest of River; Schedule for submission of Revised Corrective Measures Study Report (PDF) (3 pp, 1.2MB)
• Letter (with attachment) from James T. Owens, III (USEPA) to Andrew Silfer (GE), June 10, 2010, Re: GE Housatonic River Site, Dispute Resolution Proceeding Before the U.S. EPA Region I Director of the Office of Site Remediation and Restoration. (PDF) (3 pp, 227K)
• Final Decision from James T. Owens, III (USEPA), June 10, 2010, In Re: Consent Decree for the Housatonic River Site; Dispute Resolution Proceeding Before the Director of the Office of Site Remediation and Restoration. (PDF) (2 pp, 377K)
• Letter (with attachments) from Susan Svirsky (USEPA) and Tim Conway (USEPA) Thru Rich Cavagnero (USEPA) To James T. Owens, III (USEPA), April 27, 2010, Re: GE-Pittsfield/Housatonic River Site: EPA Response to GE Statement of Position in Dispute Resolutions Proceedings. (PDF) (120 pp, 3.6MB)
• Letter from Silfer (GE) to Svirsky (USEPA), April 27, 2010, Re: Revised Corrective Measures Study Report Schedule (PDF) (2 pp, 116K)
• Letter from Ira W. Leighton (USEPA) to Thomas H. Hill (GE), March 12, 2010, Re: EPAs Response to GE's 2-11-10 Comments on EPAs Conditional Approval Letter regarding the Rest of River Corrective Measures Study Work Plan for Evaluation of Additional Remedial Alternatives (PDF) (3 pp, 619K)
• Letter (with attachment) from Silfer (GE) to Owens (USEPA), March 4, 2010, Re: GE-Pittsfield/Housatonic River Site; Rest of River Dispute Resolution on Certain Conditions in EPAs Conditional Approval Letter for GE's Work Plan for Evaluation of Additional Remedial Alternatives (PDF) (18 pp, 241K)
• Letter from Svirsky (USEPA) to Silfer (GE), February 25, 2010, Re: GE's Dispute of EPA's January 15, 2010 Conditional Approval Letter (PDF) (2 pp, 47K)
• Letter from Hill (GE) to Svirsky (USEPA), February 11, 2010, Re: Rest of River Corrective Measures Study Proposal -- EPA's Conditional Approval of Work Plan for Evaluation of Additional Remedial Alternatives (PDF) (3 pp, 49K)
• Letter (with attachments), from Silfer (GE) to Svirsky (USEPA), January 29, 2010, Re: Rest of River Dispute Resolution on Certain Conditions in EPA's Conditional Approval Letter for GE's Work Plan for Evaluation of Additional Remedial Alternatives (PDF) (11 pp, 679K)
• Letter (with attachments) from Svirsky (USEPA) to Silfer (GE), January 15, 2010, Re: Rest of River Corrective Measures Study Proposal - Conditional Approval of GE's Work Plan for Evaluation of Additional Remedial Alternatives (PDF) (29 pp, 254K)
• Letter (with enclosure) from Silfer (GE) to Svirsky (USEPA), August 31, 2009, Re: Rest of River Work Plan for Evaluation of Additional Remedial Alternative (PDF) (84 pp, 6MB)
• Letter (with attached report) from Silfer (GE) to Svirsky (USEPA), August 3, 2007, Re: Rest of River, Corrective Measures Study-Supplement to Model Input Addendum (PDF) (80 pp, 2MB)
• Letter (with table) from Silfer (GE) to Svirsky (USEPA), May 31, 2007, Re: Rest of River Corrective Measures Study Proposal - Addendum to Supplement (PDF) (3 pp, 278K)
• Letter (with Attachment 1 Apportionment of Direct Drainage PCB Loads) from Svirsky (USEPA) to Silfer (GE), May 24, 2007, Re: EPA's Conditional Approval of the Model Input Addendum to the CMS Proposal (PDF) (17 pp, 222K)
• Letter (with attached Technical Memorandum) from Silfer (GE) to Svirsky (USEPA), May 14, 2007, Re: Rest of River Corrective Measures Study Proposal - Model Code (PDF) (20 pp, 624K)
• Letter (with report) from Silfer (GE) to Svirsky (USEPA), May 11, 2007, Re: Rest of River Corrective Measures Study Proposal - Supplement (PDF) (145 pp, 2.3MB)
• Letter (with report) from Silfer (GE) to Svirsky (USEPA), April 16, 2007, Re: Rest of River Corrective Measures Study Proposal - Model Input Addendum (PDF) (54 pp, 7.7MB)
• Letter from Svirsky (USEPA) to Silfer (GE), April 13, 2007, Re: EPA's Conditional Approval of the Corrective Measures Study Proposal (PDF) (20 pp, 145K)
• Corrective Measures Study Proposal, February 2007 (PDF) (341 pp, 13.5MB)

Public Comments

• Public Comments to EPA Regarding GE's Corrective Measures Study Work Plan, October 2009 (PDF) (61 pp, 4.8MB)
• Public Comments to EPA Regarding GE's Corrective Measures Study Proposal, March 2007
  • Dan McGuiness, Executive Director, Northwestern Connecticut Council of Governments (PDF) (1 pg, 87K)
  • Curtis Read, Chairman, Northwest Conservation District, Inc (PDF) (1 pg, 151K)
  • Gary Whipple, Candlewood Valley (CT) Chapter or Trout Unlimited (PDF) (1 pg, 70K)
  • Brian and Lisa Rodden, Citizen (PDF) (1 pg, 105K)
  • Tom Farley, Land Design, Inc. (PDF) (1 pg, 100K)
  • Jesse Klingebiel, Housatonic River Commission (PDF) (4 pp, 426K)
  • Peter Traub, Citizen (PDF) (1 pg, 71K)
  • Various Signatures, Citizens for PCB Removal (PDF) (2 pp, 274K)
  • Susan Antil, WIC Nutritionist (PDF) (1 pg, 74K)
  • Stephen Antil, Science Dept. Chair, St. Joseph High School (PDF) (1 pg, 78K)
  • Laura A. Johnson, Mass Audubon (PDF) (3 pp, 168K)
  • Andrew Madden, MA Division of Fisheries & Wildlife (PDF) (2 pp, 214K)
  • Douglas Joseph LaBarbera, Citizen (PDF) (1 pg, 71K)
  • Susan Steenstrup, Mass Dept of Environmental Protection (PDF) (7 pp, 174K)
  • Betsey Wingfield, CT Dept of Environmental Protection (PDF) (6 pp, 191K)
  • Kenneth Munney, US Dept of the Interior, Fish and Wildlife Service (PDF) (3 pp, 135K)
  • Judy Herkimer, Housatonic Environmental Action League (HEAL) (PDF) (3 pp, 422K)
  • Sally Bell, Citizen (PDF) (1 pg, 68K)
  • Peter deFur, TAG for Housatonic River Initiative (PDF) (21 pp, 590K)
  • Tim Gray, Housatonic River Commission (PDF) (4 pp, 116K)
  • Dennis Regan, Housatonic Valley Association (PDF) (2 pp, 153K)
  • Jane Winn, Berkshire Environmental Action Team (PDF) (2 pp, 214K)
  • Tad Ames, Berkshire Natural Resource Council (PDF) (1 pg, 190K)
  • Marcia Wilkins, Citizen (PDF) (1 pg, 94K)

Related Correspondence

• Letter from Silfer (GE) to Svirsky (USEPA), September 17, 2007, Re: Site; Rest of River; Dispute Resolution on Certain Conditions and Directives in EPA's "Conditional Approval" Letters for GE's Model Input Addendum and Supplement (PDF) (2 pp, 109K)
• Letter from Svirsky (USEPA) to Silfer (GE), September 17, 2007, Re: Dispute Resolution on Certain Conditions and Directives in EPA's Conditional Approval Letters for GE's Model Input Addendum and Supplement (PDF) (3 pp, 23K)
• Letter from Silfer (GE) to Svirsky (USEPA), September 11, 2007, Re: Rest of River, Dispute Resolution on Certain Conditions and Directives in EPA's "Conditional Approval" Letters for GE's Model Input Addendum and Supplement (PDF) (13 pp, 805K)
• Letter from Svirsky (USEPA) to Silfer (GE), September 7, 2007, Re: Approval of Request for Extension of Submittal of the CMS Report (PDF) (2 pp, 19K)
• Letter from Silfer (GE) to Svirsky (USEPA), August 30, 2007, Re: Rest of River; Dispute Resolution on Condition No. 4 in EPA's "Conditional Approval" Letter for GE's Corrective Measures Study Proposal Supplement (PDF) (2 pp, 54K)
• Letter from Svirsky (USEPA) to Silfer (GE), August 29, 2007, Re: Dispute Resolution on EPA's Conditional Approval Letter for GE's Supplement to the Corrective Measures Study Proposal (PDF) (4 pp, 25K)
• Letter from Svirsky (USEPA) to Silfer (GE), August 28, 2007, Re: EPA's Conditional Approval of the Supplement to the Model Input Addendum - Housatonic Rest of River CMS Proposal (PDF) (5 pp, 27K)
• Letter from Silfer (GE) to Svirsky (USEPA), August 24, 2007, Re: Rest of River; Request for Extension of Time to Prepare CMS Report (PDF) (3 pp, 216K)
• Letter from Silfer (GE) to Svirsky (USEPA), August 20, 2007, Re: Rest of River; Addendum to GE's Statement of Position on Objections to Condition No.4 in EPA's Conditional Approval Letter for GE's CMS Proposal Supplement (PDF) (7 pp, 1MB)
• Letter from Svirsky (USEPA) to Silfer (GE), July 31, 2007, Re: EPA's Conditional Approval of the Treatability Study Work Plan and Determination of Water Treatment, 31 July, 2007. (PDF) (5 pp, 37K)
  Note: This conditional approval letter and the conditions contained within supersede EPA's letter dated July 26, 2007.
• Letter from Svirsky (USEPA) to Silfer (GE), July 26, 2007, Re: EPA's Comments on the Treatability Study Work Plan and Determination on Water Treatment (PDF) (6 pp, 26K)
• Letter from Silfer (GE) to Svirsky (USEPA), July 25, 2007, Re: GE's Dispute Resolution on Condition No.4 in EPA's "Conditional Approval" Letter for GE's Corrective Measures Study Proposal Supplement (PDF) (18 pp, 1.4MB)
• Letter from Svirsky (USEPA) to Silfer (GE), July 11, 2007, Re: EPA's Conditional Approval of the CMS Proposal Supplement, and Model Code Proposal, and Approval of the Addendum to Supplement (PDF) (16 pp, 128K)
• Letter from Silfer (GE) to Svirsky (USEPA), July 11, 2007, Re: Corrective Measures Study Proposal - Treatability Study Work Plan (PDF) (48 pp, 2.7MB)
• Letter from Silfer (GE) to Svirsky (USEPA), June 6, 2007, Re: Rest of River Extension of Time to Invoke Dispute Resolution on EPA's " Conditional Approval" Letter on the Model Input Addendum to the CMS Proposal (PDF) (2 pp, 90K)
• Letter from Silfer (GE) to Svirsky (USEPA), May 23, 2007, Re: Rest of River Dispute Resolution on Certain Conditions and Directives in EPA's "Conditional Approval" Letter for GE's Corrective Measures Study Proposal (PDF) (2 pp, 53K)
• Letter from Svirsky (USEPA) to Silfer (GE), May 22, 2007, Re: Dispute Resolution on EPA's Conditional Approval Letter for GE's Corrective Measures Study Proposal (PDF) (12 pp, 117K)
• Letter from McLaren (GE) to Conway (USEPA), May 16, 2007, Re: Rest of River Extension of Dispute Resolution - Corrective Measures Study Proposal (PDF) (2 pp, 66K)
• Letter from Silfer (GE) to Svirsky (USEPA), April 27, 2007, Re: Rest of River Dispute Resolution on Certain Conditions and Directives in EPA's "Conditional Approval " Letter for GE's Corrective Measures Study Proposal (PDF) (5 pp, 188K)

Ecological Risk Assessment

Reports and Documents

• Responsiveness Summary to Public Comments on New Information, Ecological Risk Assessment for the GE/Housatonic River Site, Rest of River, March 2005 (PDF) (93 pp, 613K)
• Ecological Risk Assessment, November 2004 Update - Table of Contents (PDF) (1 pg, 14K)
  (ERA volumes are internally linked from table of contents. Total file size of all linked files > 110MB.)
• Summary of Changes/Additions to the July 2004 Ecological Risk Assessment (Changes/Additions included in ERA November 2004 Update) (PDF) (10 pp, 63K)
• Responsiveness Summary to the Peer Review of the Ecological Risk Assessment GE/Housatonic River Site Rest of River - June 2004 (PDF) (372 pp, 1.6MB)
• Ecological Risk Assessment, July 2003 - Table of Contents (PDF) (1 pg, 60K)
  (All ERA volumes are internally linked from table of contents. Total file size of all linked files > 250MB.)
• ERA Public Meeting - July 2003
• Ecological Risk Assessment Fact Sheet Housatonic River - Rest of River, June 2003 (PDF) (8 pp, 461K)

Public Comments

• Comments on the Ecological Risk Assessmemt, November 2004 Update
  • Connecticut DEP (PDF) (13 pp, 150K)
  • Housatonic Environmental Action League (PDF) (4 pp, 128K)
  • Housatonic River Initiative (PDF) (5 pp, 73K)
  • General Electric Company (PDF) (36 pp, 302K)
  • Massachusetts Audubon (PDF) (2 pp, 65K)
• EPA Seeks Public Comment: Releases Ecological Risk Assessment for GE Pittsfield / Housatonic River Site

Ecological Risk Assessment Peer Review

• Charge for the Ecological Risk Assessment Peer Review for the Rest of the Housatonic River (PDF) (7 pp, 24K)
• FINAL Comments from ERA Peer Review Panel - 2004
  • Forbes (PDF) (21 pp, 122K)
  • LaPoint (PDF) (22 pp, 114K)
  • Oris (PDF) (18 pp, 94K)
  • Ottinger (PDF) (23 pp, 1310K)
  • Sample (PDF) (29 pp, 271K)
  • Stahl (PDF) (28 pp, 318K)
  • Thompson (PDF) (46 pp, 429K)
• Public Presentation from the ERA Public Peer Review Meeting - 1/13/2004
  • DeFur (PDF) (36 pp, 1.7MB)
  • GE (PDF) (88 pp, 992K)
  • MADEP (PDF) (11 pp, 20K)
  • Evans (PDF) (3 pp, 202K)
  • Gray (PDF) (10 pp, 546K)
  • Herkimer (PDF) (8 pp, 436K)
  • Munney US DOI (PDF) (5 pp, 360K)

Supporting Documents

• Environmental Remediation Contract GE/Housatonic River Project Pittsfield, Massachusetts
  • Amphibian Reproductive Success Within Vernal Pools Associated with the Housatonic River Pittsfield to Lenoxdale, Massachusetts (PDF) (29 pp, 926K)
  • Dietary Exposure of Mink to Fish from the Housatonic River: Effects on Reproduction and Survival (PDF) (106 pp, 421K)
  • Fish Biomass Estimate for Housatonic River Primary Study Area (PDF) (129 pp, 2.6MB)
  • Fish Reproductive Health Assessment in PCB Contaminated Regions of the Housatonic River, Massachusetts, USA: Investigations of Causal Linkages Between PCBs and Fish Health
    • Fish Phase I Study (PDF) (272 pp, 6MB)
    • Fish Phase II Study (PDF) (259 pp, 4.5MB)
  • A Stochastic Population Model Incorporating PCB Effects for Wood Frogs (Rana sylvatica) Breeding in Vernal Pools Associated with the Housatonic River Pittsfield to Lenoxdale, Massachusetts (PDF) (49 pp, 383K)
  • Final Report- Frog Reproduction and Development Study: 2000 Rana pipiens Reproduction and Development Study (PDF) (431 pp, 6.3MB)
  • Final Report - Frog Reproduction and Development Study: 2000 Ranasylvatica Vernal Pool Study (PDF) (888 pp, 27.5MB)
  • Assessment of In Situ Stressors and Sediment Toxicity in the Lower Housatonic River (PDF) (127 pp, 782K)
  • Exposure and Effects of Chemical Contaminants on Tree Swallows Nesting Along the Housatonic River, Berkshire Co., Massachusetts, 1998 - 2000 (PDF) (84 pp, 3.7MB)
• Ecological Field Studies Conducted by General Electric for the Housatonic River Project
  • GE Northern Leopard Frog Report (PDF) (31 pp, 860K)
    (5 Internally linked documents include photo log and field survey data (5MB).)
  • GE Kingfisher Report (PDF) (55 pp, 2.3MB)
  • GE Largemouth Bass Report (PDF) (327 pp, 24.3MB)
  • GE Mink and Otter Report (PDF) (118 pp, 13.9MB)
  • GE Robin Report (PDF) (46 pp, 295K)
  • GE Small Mammal Report (PDF) (37 pp, 2.8MB)
  • GE Tree Swallow Report.pdf (PDF) (43 pp, 887K)
  • GE Wood Frog Report (PDF) (33 pp, 261K)
• Ecological Characterization of the Housatonic River (Primary Study Area) (PDF) (281 pp, 3MB)
• Ecological Characterization of the Housatonic River Downstream of Woods Pond (PDF) (187 pp, 889K)

General

• Letter (with enclosure) from Silfer (GE) to Svirsky (USEPA), January 9, 2012, Re: Rest of River Report on Fall 2011 Adult Fish Sampling (PDF) (25 pp, 3.3MB)
• Letter (with enclosure) from Mooney (GE) to Peterson (CTDEEP) and Tagliaferro (USEPA), November 9, 2011, Re: Housatonic River, Connecticut Report on 2010 Fish Sampling and Benthic Insect Sampling (PDF) (84 pp, 3.9MB)
• Letter from Silfer (GE) to Svirsky (USEPA), September 22, 2011, Re: Rest of River EPA Request for Additional Rest of River Data (PDF) (3 pp, 1.5MB)
• Letter (with enclosure) from Silfer (GE) to Svirsky (USEPA), September 16, 2011, Re: Rest of River Evaluation of Young-of-the-Year Fish PCB Data (PDF) (27 pp, 3.7MB)
• Letter from Svirsky (USEPA) to Silfer (GE), September 9, 2011, Re: Data for Rest of River (PDF) (3 pp, 27K)
• Letter from H. Curtis Spalding (USEPA) to Carroll (GE), November 15, 2010, Re: Housatonic Rest of River - Professor Calhoun's Vernal Pool Presentation to CCC (PDF) (2 pp, 270K)
• Letter from Carroll (GE) to Spalding (USEPA), October 19, 2010, Re: Housatonic Rest of River - Professor Calhoun's Vernal Pool Presentation to CCC (PDF) (2 pp, 211K)
• Professor Calhoun's Vernal Pool Presentation to the Citizens Coordinating Council, Berkshire Athenaeum September 29, 2010 (windows media video, 260MB)
• Letter (with attachments) from Silfer (GE) to Svirsky (USEPA), July 30, 2010, Re: Rest of River Biota Consumption Advisory Signs (PDF) (31 pp, 10MB)
• Letter (with attachment) from Svirsky (USEPA) to Silfer (GE), May 25, 2010, Re: Rest of River Biota Consumption Advisory Signage (PDF) (11 pp, 2.6MB)
• Letter from Klee (GE) to Amey Marrella (CTDEP), August 26, 2009, Re: Thank you reply to August 6, 2009 letter regarding the CT visit (PDF) (2 pp, 98K)
• Letter from Amey Marrella (CTDEP), to Klee (GE), August 6, 2009, Re: Visit to Connecticut Department of Environmental Protection (PDF) (2 pp, 112K)
• Letter from Owens (USEPA) to Bowles (MAEEOA), February 5, 2009, Re: Upper Housatonic River Area of Critical Environmental Concern (PDF) (5 pp, 256K)
• Letter (with attached report) from Mooney (GE) to Peterson (CTDEP) and Tagliaferro (USEPA), November 13, 2009, Re: Housatonic River, Connecticut; Report on 2008 Fish Sampling and Benthic Insect Sampling (PDF) (65 pp, 894K)
• Letter from Susan Peterson (CTDEP) to Kevin Mooney (GE), June 18, 2008, Re: Housatonic River - Connecticut; Proposed Biological Monitoring for 2008 (PDF) (2 pp, 434K)
• Letter from Mooney (GE) to Peterson (CTDEP), May 22, 2008, Re: Housatonic River - Connecticut Proposed Biological Monitoring for 2008 (PDF) (9 pp, 1.7MB)
• Rest of River Site Investigation Data Report August 2002
  • Volume 1 (PDF) (176 pp, 2.6MB)
  • Volume 2 (PDF) (109 pp, 3.5MB)
• Supplemental Investigation Work Plan for the Lower Housatonic River, February 22, 2000
  • Text and Figures (PDF) (471 pp, 11MB)
  • Appendix A.1 to A.16 - Study Plans (PDF) (305 pp, 7.9MB)
  • Appendix A.17 to A.26 - Study Plans (PDF) (372 pp, 10.9MB)
  • Appendix B.1 to B.6 - Land Use Maps (PDF) (14 pp, 8.6MB)
  • Appendix B.7 to B.10 - Land Use Maps (PDF) (14 pp, 12.3MB)
  • Appendix B.11 to B.14 - Land Use Maps (PDF) (14 pp, 11.6MB)
  • Appendix C.1 to C.5 - Locations of Terraces & Aggrading Bars (PDF) (11 pp, 9.2MB)
  • Appendix C.6 to C.8 - Locations of Terraces & Aggrading Bars (PDF) (11 pp, 10.7MB)
  • Appendix C.9 to C.11 - Locations of Terraces & Aggrading Bars (PDF) (11 pp, 10.7MB)
  • Appendix D - Historical Data and PCB Maps for Reach's 5 & 6 (PDF) (12 pp, 2MB)
• Supplemental Phase II/RCRA Facility Investigation Report for Housatonic River and Silver Lake
  • Volume 1 of 2, Blasland, Bouck, & Lee, Inc. (Prepared for GE), January 1996. (PDF) (293 pp, 8.7MB)
  • Volume 2 of 2, Blasland, Bouck, & Lee, Inc. (Prepared for GE), January 1996. (PDF) (375 pp, 11.2MB)
• CSTAG Correspondence
  • CSTAG Updated Recommendations on the Housatonic Rest of River Site - June 15, 2009 (PDF) (5 pp, 50K)
  • Regional Response to CSATG's Updated Recommendations - March 3, 2005 (PDF) (3 pp, 29K)
  • CSTAG Updated Recommendations on the Housatonic Rest of River Contaminated Sediment Superfund Site - November 15, 2004 (PDF) (2 pp, 227K)
  • Regional Response to CSTAG's Recommendations - March 5, 2003 (PDF) (8 pp, 61K)
  • CSTAG Recommendations on the Housatonic Rest of River Site - December 13, 2002 (PDF) (5 pp, 80K)

Human Health Risk Assessment

Reports and Documents

• Responsiveness Summary to Public Comments on New Information - Human Health Risk Assessment for the General Electric Housatonic River Site (PDF) (107 pp, 594K)
• Human Health Risk Assessment
  GE/Housatonic River Site, Rest of River - February 2005
  • Vol. I - Main Document (PDF) (1 pg, 15K)
    (All HHRA volumes are internally linked from table of contents. Total file size of all linked files > 450 MB.)
    
  • Vol. IIIA (PDF) (1031 pp, 3.3MB)
  • Vol. IIIB, App. B - Phase 2 Direct Contact (PDF) (50 pp, 2.6MB)
  • Vol. IV, App.C - Consumption of Fish and Waterfowl (PDF) (736 pp, 6.7MB)
  • Vol. V, App. D - Agricultural Product Consumption (PDF) (552 pp, 6.5MB)
  • Errata Sheet for the Breast Milk Pathway of the HHRA (PDF) (13 pp, 71K)
• Responsiveness Summary for the Human Health Risk Assessment for the GE/Housatonic River Project, Rest of River, March 2004 (PDF) (315 pp, 1.6MB)
• Summary of Changes / Additions to the June 2003 Baseline Human Health Risk Assessment (PDF) (11 pp, 139K)
  Change/Addendum to the HHRA Report
• Human Health Risk Assessment, June 2003 - Table of Contents (PDF) (1 pg, 100K)
  (All HHRA volumes are internally linked from table of contents. Total file size of all linked files > 400 MB.)
• Human Health Risk Assessment Fact Sheet Housatonic River - Rest of River, June 2003 (PDF) (8 pp, 232K)
• Press Release: EPA Releases Human Health Risk Assessment for GE Pittsfield/Housatonic River Site
• HHRA Public Meeting - June 2003
• Phase 1 Human Health Risk Assessment for Rest of River - Final Draft, November 2001
  • Volume 1 - Text and Tables (PDF) (827 pp, 2.4MB)
  • Volume 2 - Sections 1 & 2 - Screening Approach (Fig. 1-1 to 2-4) (PDF) (15 pp, 105K)
  • Volume 2 - Section 3 - Reaches 5 & 6 Floodplains (Fig. 3-1 to 3-9) (PDF) (19 pp, 12.5MB)
  • Volume 2 - Section 3 - Reaches 5 & 6 Floodplains (Fig. 3-10 to 3-19) (PDF) (20 pp, 17.4MB)
  • Volume 2 - Section 3 - Reaches 5 & 6 Floodplains (Fig. 3-20 to 3-25) (PDF) (16 pp, 12MB)
  • Volume 2 - Section 3 - Reaches 5 & 6 Floodplains (Fig. 3-26 to 3-32) (PDF) (17 pp, 17.1MB)
  • Volume 2 - Section 3 - Reaches 5 & 6 Floodplains (Fig. 3-33 to 3-38) (PDF) (16 pp, 15.3MB)
  • Volume 2 - Section 3 - Reaches 5 & 6 Utility Easement (Fig. 3-39 to 3-44) (PDF) (16 pp, 13.4MB)
  • Volume 2 - Section 3 - Reaches 5 & 6 Riverbank Soil and Sediment Exposure (Fig. 3-45 to 3-50) (PDF) (16 pp, 5.7MB)
  • Volume 2 - Section 3 - Reaches 5 & 6 Riverbank Soil and Sediment Exposure (Fig. 3-51 to 3-56) (PDF) (16 pp, 10MB)
  • Volume 2 - Section 3 - Reaches 5 & 6 Riverbank Soil and Sediment Exposure (Fig. 3-57 to 3-62) (PDF) (16 pp, 12.7MB)
  • Volume 2 - Section 3 - Reaches 5 & 6 Riverbank Soil and Sediment Exposure (Fig. 3-63 to 3-68) (PDF) (16 pp, 14MB)
  • Volume 2 - Section 4 - Reaches 7 & 8 High-Contact Residential Floodplain (Fig. 4-1 to 4-15) (PDF) (25 pp, 15.6MB)
  • Volume 2 - Section 4 - Reaches 7 & 8 Non-High-Contact Residential Area (Fig. 4-16 to 4-20) (PDF) (15 pp, 9.5MB)
  • Volume 2 - Section 4 - Reaches 7 & 8 Non-High-Contact Residential Area (Fig. 4-21 to 4-25) (PDF) (15 pp, 11.8MB)
  • Volume 2 - Section 4 - Reaches 7 & 8 Non-High-Contact Residential Area (Fig. 4-26 to 4-30) (PDF) (15 pp, 12.9MB)
  • Volume 2 - Section 4 - Reaches 7 & 8 Non-High-Contact Residential Area (Fig. 4-31 to 4-35) (PDF) (15 pp, 13.1MB)
  • Volume 2 - Section 4 - Reaches 7 & 8 Sediment (Fig. 4-36 to 4-40) (PDF) (15 pp, 10.6MB)
  • Volume 2 - Section 4 - Reaches 7 & 8 Sediment (Fig. 4-41 to 4-45) (PDF) (15 pp, 12.2MB)
  • Volume 2 - Section 5 - Reach 9 (Fig. 5-1 to 5-3) (PDF) (13 pp, 3MB)

Public Comments

• Public Comments on New Information to the Human Health Risk Assessment
  • Connecticut Department of Environmental Protection (CT DEP) (PDF) (8 pp, 123K)
  • General Electric Company (PDF) (52 pp, 186K)
  • Housatonic Environmental Action League (HEAL) (PDF) (1 pg, 68K)
  • Housatonic River Initiative (HRI) (PDF) (6 pp, 94K)
• Public Comments

Human Health Risk Assessment Peer Review

• Charge for the Human Health Risk Assessment Peer Review for the Rest of the Housatonic River (PDF) (11 pp, 57K)
• FINAL Comments from HHRA Peer Review Panel - 2003
  • Frey (PDF) (22 pp, 169K)
  • Hoffman (PDF) (52 pp, 727K)
  • Kissel (PDF) (12 pp, 65K)
  • McClellan (PDF) (38 pp, 153K)
  • Ryan (PDF) (15 pp, 64K)
  • Shull (PDF) (38 pp, 235K)
  • Washburn (PDF) (18 pp, 105K)

Interim Media Protection Goals Proposal

Reports and Documents

• Interim Media Protection Goals Proposal, for the Housatonic River, Rest of River. Submitted by General Electric, Revised March 9, 2006
  • Cover Letter (PDF) (2 pp, 776K)
  • Revised IMPG Proposal (PDF) (237 pp, 1.4MB)
  • GE Dispute Letter (PDF) (23 pp, 301K)
• Interim Media Protection Goals (IMPG) Proposal, September 2005 (PDF) (404 pp, 2.6MB)
• EPA's response to GE's Interim Media Protection Goals (IMPG) Proposal
  • Cover letter (PDF) (5 pp, 55K)
  • Response (PDF) (33 pp, 312K)

Public Comments

• Public Input on GE's IMPG Proposal
  • Astrid Hagenguth (PDF) (1 pg, 74K)
  • Concerned Stakeholders (PDF) (5 pp, 65K)
  • Connecticut Department of Environmental Protection (CT DEP) (PDF) (2 pp, 216K)
  • Eleanor Saunders (PDF) (1 pg, 94K)
  • Housatonic Environmental Action League, Inc. (HEAL) (PDF) (8 pp, 268K)
  • Housatonic River Commission (HRC) (PDF) (2 pp, 147K)
  • Housatonic River Initiative (HRI) (PDF) (2 pp, 63K)
  • Housatonic Valley Association (HVA) (PDF) (1 pg, 65K)
  • Jane Winn - Berkshire Environmental Action Team (PDF) (2 pp, 32K)
  • Lynn Fowler (PDF) (1 pg, 73K)
  • Mass Audubon (PDF) (2 pp, 61K)
  • Massachusetts Department of Environmental Protection (MA DEP) (PDF) (6 pp, 199K)
  • National Oceanic and Atmosphere Administration ( NOAA) (PDF) (2 pp, 89K)
  • Rivers Alliance of CT (PDF) (1 pg, 109K)
  • US Fish and Wildlife Service (PDF) (3 pp, 114K)

Related Correspondence

• Letter from Svirsky (USEPA) to Silfer (GE), April 3, 2006, Re: Revised Interim Media Protection Goals Proposal (PDF) (3 pp, 275K)

Modeling

Reports and Documents

• Final Model Documentation Report, November 2006 - Volumes 1 and 2 w/Attachments, Table of Contents (PDF) (1 pg, 45K)
  (6 files are internally linked from table of contents. Total file size of all linked files: 87MB. See list of repositories or contact info for alternatives if downloading is impractical.
• Responsiveness Summary to the Peer Review of Model Validation (PDF) (366 pp, 2.3MB)
• Model Validation Report (including Addendum), March 21, 2006 (PDF) (1 pg, 13K)
  6 files are internally linked from table of contents. Total file size of all linked files: 39 mb. See list of repositories or contact info for alternatives if downloading is impractical.
• Responsiveness Summary to the Model Calibration Peer Review (PDF) (232 pp, 1.5MB)
• Model Calibration: Modeling Study of PCB Contamination in the Housatonic River, December 2004 (PDF) (2 pp, 14K)
  5 files are internally linked from table of contents. Total file size of all linked files: 68 mb. See list of repositories or contact info for alternatives if downloading is impractical.
• Final Modeling Framework Design, Modeling Study of PCB Contamination in the Housatonic River, April 2004 (PDF) (42 pp, 1.7MB)
  All Files are internally linked from table of contents. Total file size of all linked files: 18 mb.
• Responsiveness Summary to the Peer Review of the Modeling Framework Design and Quality Assurance Project Plan: Modeling Study of PCB Contamination in the Housatonic River, June 2002 (PDF) (387 pp, 3.6MB)
• Quality Assurance Project Plan, Modeling Study of PCB Contamination in the Housatonic River, October 2000 (PDF) (108 pp, 1.2MB)

Model Validation Peer Review

• Model Validation - Final Peer Review Panel Comments, July 2006
  • Eric Adams (Massachusetts Institute of Technology) (PDF) (16 pp, 203K)
  • W. Frank Bohlen (University of Connecticut) (PDF) (16 pp, 261K)
  • Doug Endicott (Great Lakes Environmental Center) (PDF) (25 pp, 347K)
  • Marcelo Garcia (University of Illinois at Urbana-Champaign) (PDF) (7 pp, 70K)
  • Frank Gobas (Simon Fraser University) (PDF) (16 pp, 60K)
  • Wilbert Lick (University of California, Santa Barbara) EPA Format (PDF) (2 pp, 62K)
  • Wilbert Lick (University of California, Santa Barbara) (PDF) (14 pp, 340K)
  • E. John List (Flow Science Incorporated) (PDF) (6 pp, 114K)
• Public Presentations to the Peer Review Panel for EPA's Model Validation Report, June 28, 2006
  • Berkshire Environmental Action Team (PDF) (4 pp, 373K)
  • General Electric (PDF) (31 pp, 1.7MB)
• Public Comments to the Peer Review Panel for EPA's Model Validation Report
  • Berkshire Environmental Action Team (PDF) (2 pp, 49K)
  • General Electric (PDF) (105 pp, 4.2MB)
  • Housatonic River Initiative (PDF) (12 pp, 59K)
• EPA Response to Preliminary Questions from the Peer Review Panel for the Model Validation Report, April 2006 (PDF) (14 pp, 237K)
• Preliminary Questions from the Peer Review Panel for the Model Validation Report, April 2006 (PDF) (3 pp, 99K)
• Charge for the Model Validation Report Peer Review, March 2006 (PDF) (3 pp, 100K)
• EPA Presentation on the Model Validation Report to the CCC Panel on February 22, 2006
  • Overview of Model Validation Report (PDF) (15 pp, 1.3MB)
  • Housatonic River Model Validation (PDF) (20 pp, 2.5MB)
  • Bioaccumulation Model (FCM) (PDF) (17 pp, 2.3MB)
  • Downstream Modeling (PDF) (12 pp, 2.7MB)
  • Housatonic River Example EFDC Simulations (PDF) (7 pp, 1MB)
  • Sensitivity and Uncertainty Analysis (PDF) (18 pp, 3.9MB)

Model Calibration Peer Review

• Initial Peer Review Panel Comments
  • Adams (PDF) (2 pp, 142K)
  • Endicott (PDF) (11 pp, 416K)
  • Garcia (PDF) (2 pp, 127K)
  • Gobas (PDF) (12 pp, 384K)
  • Lick (first comment) (PDF) (18 pp, 514K)
  • Lick (second comment) (PDF) (1 pg, 100K)
  • List (PDF) (3 pp, 138K)
• Final Peer Review Panel Comments
  • Adams (PDF) (7 pp, 124K)
  • Bohlen (PDF) (9 pp, 23K)
  • Endicott (PDF) (11 pp, 160K)
  • Gobas (PDF) (18 pp, 45K)
  • Garcia (PDF) (3 pp, 74K)
  • Lick (PDF) (22 pp, 132K)
  • List (PDF) (6 pp, 114K)
• Calibration Report Public Comments to the Peer Review Panel
  • Housatonic River Initiative (HRI) (PDF) (1 pg, 10K)
  • Technical Assistance Grant (PDF) (7 pp, 38K)
  • Housatonic Environmental Action League (HEAL) (PDF) (2 pp, 60K)
  • General Electric Company (PDF) (34 pp, 461K)
• January 5, 2005 CCC Meeting Presentation Materials
  • Presentation on the Housatonic River Modeling Study Calibration Report (PDF) (15 pp, 286K)
  • Presentation on the Final Modeling Framework Design (PDF) (12 pp, 1MB)
  • Presentation on the Housatonic River Model Calibration - Edward Garland HydroQual, Inc. (PDF) (32 pp, 3.4MB)
  • Presentation on PCB Bioaccumulation Model Calibration, Food Chain Model (PDF) (22 pp, 2.4MB)
• Charge for the Hydrodynamic Modeling Peer Review, February 1999 (PDF) (5 pp, 15K)

Modeling Framework Peer Review

• Preliminary and Final Peer Review Comments, Modeling Study of PCB Contamination in the Housatonic River, Modeling Framework Design, June 2001

Related Correspondence

• Letter from Svirsky (USEPA) to Silfer (GE), November 29, 2006, re: EPA's Determination of the Completion of the Modeling Study (PDF) (2 pp, 73K)

RCRA Facility Investigation Reports

• Housatonic River - Rest of River RCRA Facility Investigation Report and Appendices, September 2003 (PDF) (1 pg, 47 KB)
  (Total file size of all linked files: 44 MB.)

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