GE/Housatonic River Site in New England
Serving Connecticut, Maine, Massachusetts, New Hampshire, Rhode Island, Vermont & 10 Tribal Nations
Groundwater - Reports
Jump to Report Index
The following list of reports and documents has been selected to provide an overview of the environmental investigations and remedial actions conducted for groundwater and NAPL (oil). Most of the available reports and documents were produced for General Electric by their environmental consultants.
- GMA - 1, East Street Area 1, East Street Area 2, Lyman Street Area, Newell Street Area I, Newell Street Area II, Oxbow B, Silver Lake
- GMA - 2, Oxbow Areas J and K
- GMA - 3, Unkamet Brook Area
- GMA - 4, Hill 78 Area
- GMA - 5, Oxbow Areas A and C
- General
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Groundwater Management Area (GMA) - 1, East Street Area 1, East Street Area 2, Lyman Street Area, Newell Street Area I, Newell Street Area II, Oxbow B, Silver Lake
- Letter (with enclosure) from Gates (GE) to Fisher (USEPA), January 30, 2012, Re: Groundwater Management Area 1 Groundwater Quality Monitoring Interim Report for Fall 2011 (PDF) (265 pp, 15.2MB)
- Letter (with enclosure) from Gates (GE) to Fisher (USEPA), January 5, 2012, Re: Groundwater Management Area 1 Revised LNAPL Volatilization Assessment Work Plan for Groundwater Management Area 1 - East Street Area 1 (PDF) (95 pp, 1.6MB)
- Letter from Fisher (USEPA), to Gates (GE), November 21, 2011, Re: Conditional Approval of General Electric's August 30, 2011 submittal titled Groundwater Management Area 1, NAPL Monitoring Report for Spring 2011, GEPittsfield/Housatonic River Site (PDF) (3 pp, 42K)
- Letter from Fisher (USEPA) to Gates (GE), November 21, 2011, Re: Conditional Approval of General Electric's July 29, 2011 submittal titled Plant Site 1 Groundwater Management Area, Groundwater Quality Monitoring Interim Report for Spring 2011, GE-Pittsfield/Housatonic River Site (PDF) (2 pp, 29K)
- Letter from Fisher (USEPA) to Gates (GE), November 7, 2011, Re: Conditional Approval of General Electric's March 11, 2011 submittal titled Groundwater Management Area 1, NAPL Monitoring Report for Fall 2010, GE-Pittsfield/Housatonic River Site (PDF) (7 pp, 48K)
- Letter (with enclosure) from Gates (GE) to Fisher (USEPA), August 30, 2011, Re: Groundwater Management Area 1 NAPL Monitoring Report for Spring 2011 (PDF) (192 pp, 8.7MB)
- Letter (with enclosure) from Gates (GE) to Fisher (USEPA), July 29, 2011, Re: Groundwater Management Area 1 Groundwater Quality Monitoring Interim Report for Spring 2011 (PDF) (172 pp, 5.2MB)
- Letter from Fisher (USEPA) to Gates (GE), April 13, 2011, Re: Conditional Approval of General Electric's January 28, 2011 submittal titled Groundwater Management Area 1, Groundwater Quality Monitoring Interim Report for Fall 2010 (PDF) (3 pp, 39K)
- Letter (with enclosure) from Gates (GE) to Fisher (USEPA), March 11, 2011, Re: Groundwater Management Area I NAPL Monitoring Report for Fall 2010 (PDF) (432 pp, 22.3MB)
- Letter (with enclosure) from Gates (GE) to Fisher (USEPA), January 28, 2011, Re: Groundwater Management Area 1 Groundwater Quality Monitoring Interim Report for Fall 2010 (PDF) (143 pp, 6.4MB)
- Letter from Fisher (USEPA) to Gates (GE), January 14, 2011, Re: Conditional Approval of General Electric's August 30, 2010 submittal titled Groundwater Management Area 1, NAPL Monitoring Report for Spring 2010 (PDF) (3 pp, 33K)
- Letter from Fisher (USEPA) to Gates (GE), October 18, 2010, Re: Conditional Approval of General Electric's July 30, 2010 submittal titled Groundwater Management Area 1, Groundwater Quality Monitoring Interim Report for Spring 2010 (PDF) (3 pp, 32K)
- Letter (with enclosures) from Gates (GE) to Fisher (USEPA), August 30, 2010, Re: Groundwater Management Area 1 NAPL Monitoring Report for Spring 2010 (PDF) (180 pp, 7.1MB)
- Letter (with enclosure) from Gates (GE) to Fisher (USEPA), July 30, 2010, Re: Groundwater Management Area 1 Groundwater Quality Monitoring Interim Report for Spring 2010 (PDF) (256 pp, 9.8MB)
- Letter from Fisher (USEPA) to Gates (GE), May 12, 2010, Re: Conditional Approval of General Electric's February 26, 2010 submittal titled Groundwater Management Area 1, NAPL Monitoring Report for Fall 2009 (PDF) (3 pp, 35K)
- Letter from Fisher (USEPA) to Gates (GE), April 26, 2010, Re: Conditional Approval of General Electric's February 5, 2010 submittal titled Groundwater Management Area 1, Proposed Evaluation of Additional Recovery Measures-60s Complex (PDF) (2 pp, 34K)
- Letter from Fisher (USEPA) to Gates (GE), April 6, 2010, Re: Conditional Approval of General Electric's January 29, 2010 submittal titled Groundwater Management Area 1, Groundwater Quality Monitoring Interim Report for Fall 2009 (PDF) (2 pp, 36K)
- Letter from Fisher (USEPA) to Gates (GE), April 6, 2010, Re: Conditional Approval of General Electric's January 8, 2010 submittal titled Groundwater Management Area 1, Addendum to Proposal to Remove/Replace Monitoring Wells - 20s and 30s Complexes (PDF) (3 pp, 39K)
- Letter (with enclosure) from Gates (GE) to Fisher (USEPA), February 26, 2010, Re: Groundwater Management Area 1 NAPL Monitoring Report for Fall 2009 (PDF) (312 pp, 21.3MB)
- Letter (with enclosures) from Gates (GE) to Fisher (USEPA), February 5, 2010, Re: Groundwater Management Area 1 Proposed Evaluation of Additional Recovery Measures - 60s Complex (PDF) (9 pp, 1MB)
- Letter (with enclosure) from Gates (GE) to Fisher (USEPA), January 29, 2010, Re: Groundwater Management Area 1 Groundwater Quality Monitoring Interim Report for Fall 2009 (PDF) (208 pp, 12.6MB)
- Letter from Fisher (USEPA) to Gates (GE), January 26, 2010, Re: Conditional Approval of General Electric's October 30, 2009 submittal titled Groundwater Management Area 1, East Street Area 1-North, East Street Area 1-South, East Street Area 2-North and East Street Area 2-South Removal Action Areas Proposal to Remove/Replace Monitoring Wells (PDF) (3 pp, 28K)
- Letter (with enclosure) from Gates (GE) to Fisher (USEPA), January 8, 2010, Re: Groundwater Management Area 1 Addendum to Proposal to Remove/Replace Monitoring Wells - 20s and 30s Complexes (PDF) (11 pp, 561K)
- Letter from Fisher (USEPA) to Gates (GE), December 10, 2009, Re: Conditional Approval of General Electric's August 28, 2009 submittal titled Groundwater Management Area 1, NAPL Monitoring Report for Spring 2009 (PDF) (3 pp, 33K)
- Letter from Fisher (USEPA) to Gates (GE), December 10, 2009, Re: Conditional Approval of General Electric's July 30, 2009 submittal titled Plant Site 1 Groundwater Management Area, Groundwater Quality Monitoring Interim Report for Spring 2009 (PDF) (4 pp, 31K)
- Data Evaluation Report 30s Complex Water Quality Basin and General Commerical Area Net- Cuts Pittsfield Economic Development Authority, December 7, 2009, Prepared for Pittsfield Economic Development Authority by O'Reilly, Talbot & Okun Associates, Inc. (PDF) (513 pp, 12.6MB)
- Letter (with attachments) from Gates (GE) to Fisher (USEPA), October 30, 2009, Re: Groundwater Management Area 1 East Street Area1-North, East Street Area 1-South; East Street Area 2-North and East Street Area 2-South Removal Action Areas, Proposal to Remove/Replace Monitoring Wells (PDF) (24 pp, 1.9MB)
- Letter from Fisher (USEPA) to Gates (GE), September 8, 2009, Re: Conditional Approval of General Electric's June 19, 2009 submittal titled Groundwater Management Area 1, Proposed Modifications to Monitoring Well Network (PDF) (2 pp, 28K)
- Letter (with Enclosure) from Gates (GE) to Fisher (USEPA), August 28, 2009, Re: Groundwater Management Area 1 NAPL Monitoring Report for Spring 2009 (PDF) (173 pp, 8MB)
- Letter (with attachments) from Gates (GE) to Tagliaferro (USEPA), August 14, 2009, Re: Plant Site 1 Groundwater Management Area Sheen Observation Follow-up Notification (PDF) (4 pp, 527K)
- Letter (with enclosure) from Gates (GE) to Fisher (USEPA), July 30, 2009, Re: Groundwater Management Area 1 Groundwater Quality Monitoring Interim Report for Spring 2009 (PDF) (167 pp, 5.8MB)
- Letter(with attachments) from Gates (GE) to Fisher (USEPA), June 19, 2009, Re: Groundwater Management Area 1 Proposed Modifications to Monitoring Well Network (PDF) (6 pp, 2.7MB)
- Letter from Fisher (USEPA) to Gates (GE), May 21, 2009, Re: Conditional Approval of General Electric's February 27, 2009 submittal titled Groundwater Management Area 1, NAPL Monitoring Report for Fall 2008 (PDF) (3 pp, 31K)
- Letter from Fisher (USEPA) to Gates (GE), April 8, 2009, Re: Conditional Approval of General Electric's January 31, 2009 submittal titled Plant Site 1 Groundwater Management Area, Groundwater Quality Monitoring Interim Report for Fall 2008 (PDF) (3 pp, 32K)
- Letter (with report) from Gates (GE) to Fisher (USEPA), February 27, 2009, Re: Groundwater Management Area 1 NAPL Monitoring Report for Fall 2008 (PDF) (337 pp, 20.7MB)
- Letter (with report) from Gates (GE) to Fisher (USEPA), January 30, 2009, Re: Groundwater Management Area 1 Groundwater Quality Monitoring Interim Report for Fall 2008 (PDF) (146 pp, 6.4MB)
- Letter from Fisher (USEPA) to Gates (GE), November 25, 2008, Re: Conditional Approval of General Electric's August 29, 2008 submittal titled Groundwater Management Area 1, NAPL Monitoring Report for Spring 2008 (PDF) (3 pp, 44K)
- Letter from Fisher (USEPA) to Gates (GE), November 25, 2008, Re: Conditional Approval of General Electric's July 30, 2008 submittal titled Plant Site 1 Groundwater Management Area, Groundwater Quality Monitoring Interim Report for Spring 2008 (PDF) (3 pp, 43K)
- Letter (with enclosure) from Gates (GE) to Fisher (USEPA), August 29, 2008, Re: Groundwater Management Area 1 NAPL Monitoring Report for Spring 2008 (PDF) (184 pp, 5.9MB)
- Letter (with report) from Gates (GE) to Fisher (USEPA), July 30, 2008, Re: Groundwater Management Area 1; Groundwater Quality Monitoring Interim Report for Spring 2008 (PDF) (218 pp, 5.9MB)
- Letter from Fisher (USEPA) to Gates (GE), May 23, 2008, Re: Conditional Approval of General Electric's February 27, 2008, submittal titled Groundwater Management Area 1, NAPL Monitoring Report for Fall 2007 (PDF) (3 pp, 38K)
- Letter from Fisher (USEPA) to Gates (GE), April 8, 2008, Re: Conditional Approval of General Electric's January 30, 2008 submittal titled Plant Site 1 Groundwater Management Area, Groundwater Quality Monitoring Interim Report for Fall 2007 (PDF) (3 pp, 37K)
- Letter from Gates (GE) to Fisher (USEPA), February 27, 2008, Re: Groundwater Management Area 1 NAPL Monitoring Report for Fall 2007 (PDF) (306 pp, 17.1MB)
- Letter (with report) from Gates (GE) to Fisher (USEPA), January 30, 2008, Re: Groundwater Management Area 1, Groundwater Quality Monitoring Interim Report for Fall 2007 (PDF) (190 pp, 5.5MB)
- Letter from Fisher (USEPA) to Gates (GE), October 10, 2007, Re: Conditional Approval of General Electric's July 20, 2007 submittal titled NAPL Addendum to Plant Site 1 Groundwater Management Area 1 NAPL Monitoring Report for Fall 2006; June 29, 2007 submittal titled Groundwater Elevation Assessment for Newell Street Area II Removal Action Area; July 2007 submittal titled Plant Site 1 Groundwater Management Area Supplemental Groundwater Quality Monitoring Report for Spring 2007; and August 30, 2007 submittal titled Groundwater Management Area 1 NAPL Monitoring Report for Spring 2007 (PDF) (2 pp, 27K)
- Letter (with report) from Gates (GE) to Fisher (USEPA), August 30, 2007, Re: Groundwater Management Area 1, NAPL Monitoring Report for Spring 2007 (PDF) (152 pp, 5.7MB)
- Letter (with attached report) from Gates (GE) to Fisher (USEPA), July 30, 2007, Re: Groundwater Management Area 1, Groundwater Quality Monitoring Report for Spring 2007 (PDF) (47 pp, 3MB)
- Letter from Gates (GE) to Fisher (USEPA), July 20, 2007, Re: Groundwater Management Area 1, Addendum to Plant Site 1 Groundwater Management Area 1 NAPL Monitoring Report for Fall 2006 (PDF) (37 pp, 4MB)
- Letter from Gates (GE) to Fisher (USEPA), June 29, 2007, Re: Groundwater Management Area 1, Groundwater Elevation Assessment for Newell Street Area II Removal Action Area (PDF) (11 pp, 1.6MB)
- Letter from Fisher (USEPA) to Gates (GE), May 22, 2007, Re: Conditional Approval of General Electric's February 27, 2007 submittal titled Plant Site 1 Groundwater Management Area NAPL Monitoring Report for Fall 2006 (PDF) (2 pp, 31K)
- Letter from Fisher (USEPA) to Gates (GE), March 29, 2007, Re: Conditional Approval of General Electric's January 30, 2007 submittal titled Groundwater Management Area 1, Groundwater Quality Monitoring Report for Fall 2006 (PDF) (2 pp, 28K)
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Letter w/report from Gates (GE) to Fisher (USEPA), February 27, 2007, Groundwater Management Area 1 NAPL Monitoring Report for Fall 2006
- Table of Contents (PDF) (1 pg, 19K)
- Cover Letter and Volume I (PDF) (114 pp, 5.4MB)
- Volume II (PDF) (189 pp, 11.7MB)
- Letter from Gates (GE) to Fisher (USEPA), January 30, 2007, Groundwater Quality Monitoring Report for Fall 2006 (PDF) (48 pp, 1.7MB)
- Letter from Fisher (USEPA) to Silfer (GE), January 10, 2007, Conditional Approval of GE's October 30, 2006 submittal titled Groundwater Management Area 1, Evaluation of Additional Recovery Measures and Proposal to Install LNAPL Recovery Well - 60s Complex (PDF) (8 pp, 419K)
- Letter from Hayes (USEPA) to Silfer (GE), November 14, 2006, Conditional Approval of General Electric's August 30, 2006 GMA 1 NAPL Monitoring Report for Spring 2006 (PDF) (2 pp, 58K)
- Letter (with report) from Gates (GE) to Tagliaferro (USEPA), October 30, 2006, Groundwater Management Area 1, Evaluation of Additional Recovery Measures and Proposal to Install LNAPL Recovery Well - 60s Complex (PDF) (53 pp, 1.1MB)
- Letter from Hayes (USEPA) to Silfer (GE), September 27, 2006, Re: Conditional Approval of GE's July 28, 2006 GMA 1 Groundwater Quality Monitoring Interim Report for Spring 2006 (PDF) (2 pp, 69K)
- Letter (with report) from Gates (GE) to Hayes (USEPA), August 30, 2006, Groundwater Management Area 1 NAPL Monitoring Report for Spring 2006 (PDF) (155 pp, 4.7MB)
- Letter (with attached report) from Gates (GE) to Hayes (USEPA), July 28, 2006, Groundwater Management Area 1, Groundwater Quality Interim Report for Spring 2006 (PDF) (161 pp, 22.8MB)
- Letter from Hayes (USEPA) to Silfer (GE), July 6, 2006,GE/Conditional Approval of GE's Aug 30, 2005 GMA 1 NAPL Monitoring Report for Spring 2005 and Feb 27, 2006 GMA 1 NAPL Monitoring Report for Fall 2005 (PDF) (2 pp, 94K)
- Letter from Hayes (USEPA) to Silfer (GE), June 8, 2006, Approval of GE's May 22, 2006 GMA-1 Proposal to Remove/Replace Monitoring Wells - 20s and 30s Complexes (PDF) (2 pp, 53K)
- Groundwater Management Area 1 - Proposal to Remove/Replace Monitoring Wells - 20s and 30s Complexes, General Electric Company, May 22, 2006 (PDF) (2 pp, 2MB)
- May 10, 2006 EPA Conditional Approval letter from Sharon Hayes, EPA to Andrew Silfer, GE Re: Conditional Approval of GE's January 30, 2006 Groundwater Management Area 1 Groundwater Quality Monitoring Interim Report for Fall 2005 (PDF) (3 pp, 298K)
- NAPL Monitoring Report for
Fall 2005, Volumes I and II Blasland, Bouck & Lee, Inc., February
2006 (PDF)
(1 pg, 14K)
Volumes I - II are internally linked from the table of contents. Combined file size is 22.4 mb - estimated download time: 99 minutes @ 33.6kbs - Groundwater Management Area 1 Groundwater Quality Interim Report for Fall 2005 (PDF) (139 pp, 2.5MB)
- Groundwater Management Area 1 - NAPL Monitoring Report for Spring 2005, Blasland, Bouck, & Lee, Inc., August 2005 (PDF) (164 pp, 5.5MB)
- Letter from Lovely (USEPA) to Silfer (GE), July 12, 2005, Conditional Approval of Groundwater Management Area I Modifications to Newell Street Area II-DNAPL-Collection Systems (PDF) (2 pp, 83K)
- Letter from Novotny (GE) to Lovely (USEPA), June 23, 2005, Groundwater Management Area I Modifications to Newell Street Area II - DNAPL Collection Systems (PDF) (5 pp, 2.7MB)
- Letter from Novotny (GE) to DiLorenzo (USEPA), June 7, 2005, Groundwater Management Area I Results of DNAPL Recovery Testing and Proposed Modifications to Newell Street Area II DNAPL Recovery Systems (PDF) (24 pp, 893K)
- Letter from DiLorenzo (USEPA) to Silfer (GE), May 31, 2005, Re: Approval of General Electric's January 2005 Groundwater Management Area 1 Groundwater Quality Interim Report for Fall 2004 (PDF) (1 pg, 70K)
- Letter from Lovely (USEPA) to Silfer (GE), May 2, 2005, Conditional Approval of GE's submittal Newell Street Area II Groundwater and DNAPL Proposal (PDF) (2 pp, 101K)
- Letter from Novotny (GE) to Olson (USEPA), March 16, 2005, Groundwater Management Area I Newell Street Area II Groundwater and DNAPL Proposal (PDF) (5 pp, 1.7MB)
- Groundwater Management Area 1 - Groundwater Quality Monitoring Interim Report for Fall 2004, Blasland, Bouck, & Lee, Inc., January 2005 (PDF) (86 pp, 6.4MB)
- Groundwater Management Area 1 - Groundwater Quality Monitoring Interim Report for Spring 2004, Blasland, Bouck, & Lee, Inc., July 2004 (PDF) (152 pp, 5.4MB)
- Groundwater Management Area 1 NAPL Monitoring Report for Fall 2003, Vol. 1 of 2, Blasland, Bouck, & Lee, Inc. (Prepared for GE), February 2004 (PDF) (114 pp, 5.7MB)
- Groundwater Management Area 1 NAPL Monitoring Report for Fall 2003, Vol. 2 of 2, Blasland, Bouck, & Lee, Inc. (Prepared for GE), February 2004 (PDF) (207 pp, 13.7MB)
- Groundwater Management Area 1 - Groundwater Quality Interim Report for Fall 2003, Blasland, Bouck, & Lee, Inc., January 2004 (PDF) (126 pp, 3.8MB)
- Letter from Nalipinski (USEPA) to Silfer (GE), November 24, 2003, Comments on GE's August 2003 Submittal - Groundwater Management Area 1 NAPL Monitoring Report for Spring 2003 (PDF) (2 pp, 132K)
- Letter from Symington (Deputy Regional Director, Bureau of Waste Site Cleanup, MDEP) to Spielberg (McCusker, Anselmi, Rosen, Carvelli & Walsh), November 17, 2003, Pittsfield Site #1-0539 Second Modification to ACOP-WE-00-3016 (PDF) (4 pp, 182K)
- Letter from Nalipinski (USEPA) to Silfer (GE), September 23, 2003, Comments on GE's July 2003 Groundwater Management Area 1 Baseline Groundwater Quality Interim Report for Spring 2003 (PDF) (3 pp, 224K)
- Groundwater Management Area 1 Addendum to Groundwater Quality Interim Report for Spring 2003, Blasland, Bouck, and Lee, Inc. (Prepared for GE), September 2003 (PDF) (174 pp, 1.6MB)
- Groundwater Management Area I NAPL Monitoring Report for Spring 2003, Blasland, Bouck, and Lee, Inc. (Prepared for GE), August 2003 (PDF) (192 pp, 19MB)
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Groundwater Management Area 1 Groundwater Quality Interim Report for Spring 2003, Volumes I and II, July 2003, Blasland, Bouck and Lee, Inc. (Prepared for GE)
- Volume I (PDF) (146 pp, 17MB)
- Volume II (PDF) (364 pp, 15.8MB)
- Letter from Nalipinski (USEPA) to Silfer (GE), June 20, 2003, Re: Comments on General Electric's February 2003 submittal "Plant Site 1 Groundwater Management Area NAPL Monitoringt Report for Fall 2002" (PDF) (3 pp, 712K)
- Letter from Novotny (GE) to Steenstrup (MPDEP) and Olson (USEPA), October 16, 2002, Groundwater Management Area 1 Well Abandonment of Former Industrial Supply Well (PDF) (5 pp, 399K)
- Letter from Novotny (GE) to Olson (USEPA), October 9, 2002, GMA Plant Site 1 Modifications to Baseline Monitoring Program (PDF) (2 pp, 76K)
- Letter from Nalipinski (USEPA) to Silfer (GE), August 29, 2002, Comments concerning GE June 2002 Groundwater Management Area 1 NAPL Monitoring Report for Fall 2001 (PDF) (3 pp, 212K)
- Letter from Nalipinski (USEPA) to Silfer (GE), February 7, 2002, Comments on GE's August 30, 2001 report Groundwater Management Area 1 NAPL Monitoring Report for Spring 2001 (PDF) (2 pp, 156K)
- Groundwater Management Area 1 Baseline Groundwater Quality Interim Report for Fall 2001, Blasland, Bouck & Lee, Inc. (Prepared for GE), January 2002 (PDF)
(174 pp, 17.9MB)
- Appendices B - E (PDF) (188 pp, 17.5MB)
- Letter from Tagliaferro (USEPA) to Silfer (GE), September 4, 2001, Conditional Approval of GE's Submittal Cell G2 and G3 Monitoring Results and Proposed Modification to Baseline Monitoring Program for Groundwater Management Area 1 (PDF) (2 pp, 94K)
- Groundwater Management Area 1 NAPL Monitoring Report for Spring 2001, Blasland, Bouck & Lee, Inc. (Prepared for GE), August 2001 (PDF) (238 pp, 15.5MB)
- Plant Site 1 Groundwater Management Area, Baseline Groundwater Monitoring Program Update, General Electric Co. August 22, 2001 (PDF) (12 pp, 661K)
- Letter from Silfer (GE) to Olson (USEPA), August 16, 2001, Groundwater Management Area 1 Modifications to Baseline Monitoring Program (PDF) (4 pp, 290K)
- Letter from Nalipinski (GE) to Silfer (GE), March 20, 2001, Final Conditional Approval of GE's September 2000 Revision of the Baseline Monitoring Proposal for Groundwater Management Area 1 (PDF) (6 pp, 6.4MB)
- Evaluation of Short-Term Measures at Lyman Street Area (Part of Plant Site 1 Groundwater Management Area), Blasland, Bouck & Lee, Inc. (Prepared for GE), February 2001 (PDF) (91 pp, 5.7MB)
- Evaluation of NAPL Recovery at Newell Street Area II (Part of Groundwater Management Area 1), Blasland, Bouck & Lee, Inc. (Prepared for GE), January 2001 (PDF) (41 pp, 8.1MB)
- Letter from Tagliaferro (USEPA) to Novotny (GE), November 2, 2000, Approval of GE's October 9, 2000 Submittal Plant Site 1 Groundwater Management Area, Results of Monitoring Well Installation - Newell Street Area II (PDF) (2 pp, 46K)
- Letter from Novotny (GE) to Olson (USEPA), Oct 9, 2000, Plant Site 1 Groundwater Management Area Results of Monitoring Well Installation- Newell Street Area II (PDF) (13 pp, 849K)
- Baseline Monitoring Program Proposal for Plant Site 1 Groundwater Management Area, Blasland, Bouck & Lee, Inc. September 29, 2000. (PDF) (61 pp, 426K)
- Letter from Silfer (GE) to Olson (USEPA), August 24, 2000, Groundwater Management Area 1 Proposal for Groundwater Investigation Near 10 Lyman Street Property (PDF) (5 pp, 1MB)
- Letter from Olson (USEPA) to Silfer (GE), August 24, 2000, Comments on GE's April 2000 Baseline Monitoring Program Proposal for Groundwater Management Area 1 (PDF) (10 pp, 1.2MB)
- Letter from Tagliaferro (USEPA) to Silfer (GE), July 26, 2000, Approval of GE's July 20, 2000 Submittal Results of DNAPL Investigation: East Street Area 2 - South Portion of Plant Site 1 Groundwater Management Area (PDF) (2 pp, 57K)
- Letter from Tagliaferro (USEPA) to Novotny ( GE), 26 July 2000, Conditional Approval of GE's July 14, 2000 Submittal Evaluation of NAPL Recovery at Newell Street Area II (Part of Plant Site 1 Groundwater Management Area) (PDF) (2 pp, 64K)
- Letter from Silfer (GE) to Olson (USEPA) and Tagliaferro (USEPA), July 20, 2000, Results of DNAPL Investigation: East Street Area 2 - South Portion of Groundwater Management Area 1 (PDF) (18 pp, 3.7MB)
- Evaluation of NAPL Recovery at Newell Street Area II (Part of Plant Site 1 Groundwater Management Area), Blasland, Bouck & Lee, Inc. (Prepared for GE), July 2000 (PDF) (54 pp, 1.8MB)
- Letter from Tagliaferro (USEPA) to Silfer (GE), June 22, 2000, Conditional Approval of GE's June 7, 2000 Submittal DNAPL Investigation: East Street Area 2-South Portion of Plant Site 1 Groundwater Management Area (GMA) (PDF) (2 pp, 73K)
- Letter from Tagliaferro (USEPA) to Silfer (GE), June 16, 2000, Conditional Approval of GE's May 19 and June 5, 2000 Submittals Regarding Additional DNAPL Investigations at the Newell Street II Site/GMA 1 (PDF) (2 pp, 71K)
- Letter from Silfer (GE) to Tagliaferro and Olson (USEPA), June 7, 2000, DNAPL Investigation: East Street Area 2-South Portion of Plant Site 1 Groundwater Management Area (GMA) (PDF) (3 pp, 184K)
- Letter from Silfer (GE) to Olson (USEPA) and Tagliaferro (USEPA), June 5, 2000, Additional DNAPL Investigation at Newell Street Area II, Plant Site 1 Groundwater Management Area (PDF) (1 pg, 49K)
- Letter from Silfer (GE) to Olson (USEPA) and Tagliaferro (USEPA), May 19, 2000, Additional DNAPL Investigation at Newell Street Area II Groundwater Management Area 1 (PDF) (18 pp, 3.3MB)
- Letter from Silfer (GE) to Olson (USEPA) and Cutler (MDEP), May 3, 2000, East Street Area 1 - North and South (Part of Groundwater Management Area 1) Evaluation of Additional Hydraulic Control Measures (PDF) (14 pp, 1.5MB)
- Letter from Tagliaferro (USEPA) to Ciampa (GE), April 5, 2000, Conditional Approval of GE's March 30, 2000 Submittal Newell Street II Proposal for Additional DNAPL Recovery Operations (PDF) (2 pp, 65K)
- Baseline Monitoring Program Proposal for Groundwater Management Area 1, Blasland, Bouck & Lee, Inc. (Prepared for GE), April 2000 (PDF)
(116 pp, 15.9MB)
- Appendices A - D (PDF) (153 pp, 16.8MB)
- Letter from Ciampa (GE) to Weinberg (MDEP) and Tagliaferro and Olson (USEPA), March 30, 2000, Proposal for Additional DNAPL Recovery Operations, Newell Street Area II (PDF) (19 pp, 686K)
- Letter from Tagliaferro (USEPA) to Ciampa (GE), March 27, 2000, Conditional Approval of GE's March 15, 2000 Submittal DNAPL Investigation at Newell Street Area II Area, Groundwater Management Area 1 (PDF) (2 pp, 113K)
- Letter from Ciampa (GE) to Olson and Tagliaferro (USEPA), March 15, 2000, DNAPL Investigation at Newell Street Area II - Plant Site 1 Groundwater Management Area (PDF) (4 pp, 319K)
- Letter from Tagliaferro (USEPA) to Silfer (GE), February 29, 2000, Conditional Approval of GE's January 14, 2000 Submittal DNAPL Recovery Data and Evaluation at the Newell Street II Area, Groundwater Management Area 1 (PDF) (3 pp, 166K)
- Letter from Ciampa (GE) to Tagliaferro (USEPA), January 14, 2000, DNAPL Recovery Data and Evaluation at Newell Street Area II - Groundwater Management Area 1 (PDF) (37 pp, 1.5MB)
- Letter from Tagliaferro (USEPA) to Silfer (GE) , December 20, 1999, Approval of GE's December 10, 1999 Submittal DNAPL Recovery Data at the Lyman Street Area, Plant Site 1 Groundwater Management Area (PDF) (2 pp, 59K)
- Letter from Tagliaferro (USEPA) to Silfer (GE), December 13, 1999, Approval of GE's December 3, 1999 Submittal East Street Area 2 Site/USEPA Area 4 Proposal for DNAPL Collection System (PDF) (2 pp, 66K)
- Letter from Ciampa (GE) to Tagliaferro and Olson (USEPA) and Cutler (MDEP), December 10, 1999, DNAPL Recovery Data at the Lyman Street Area Plant Site 1 Groundwater Management Area (PDF) (14 pp, 923K)
- Letter from Ciampa (GE) to Tagliaferro and Olson (USEPA) and Weinberg (MDEP), December 3, 1999, Proposal for DNAPL Collection System, East Street Area 2/USEPA Area 4 (PDF) (9 pp, 438K)
- Letter from Tagliaferro (USEPA) to Ciampa (GE), October 13, 1999, Conditional Approval of GE's September 9, 1999 Submittal Entitled July/August 1999 Additional Source Control Investigations, Lyman Street Site (PDF) (2 pp, 55K)
- DNAPL Assessment, East Street Area 2 Site Addendum, HSI Geotrans (Prepared for GE), October 1999 (PDF) (58 pp, 3.4MB)
- July/August 1999 Additional Source Control Investigations, Lyman Street Site, HSI Geotrans (Prepared for GE), September 1999 (PDF) (64 pp, 3.2MB)
- Letter from Tagliaferro (USEPA) to Ciampa (GE), August 27, 1999, Conditional Approval of GE's July 1999 Submittal Proposal for Supplemental Source Control Containment/Recovery Measures - Lyman Street Site (PDF) (3 pp, 123K)
- Proposal for Supplemental Source Control Containment/Recovery Measures - Lyman Street Site, Blasland, Bouck & Lee, Inc. (Prepared for GE), 12 July 1999 (include July 13, 1999 letter from Ciampa Revised Figure 4 for subject report. Filed in 01-0308 in PMA) (PDF) (138 pp, 8.8MB)
- Letter from Tagliaferro (USEPA) to Ciampa (GE), July 1, 1999, Conditional Approval of GE's June 15, 1999 Submittal Source Control Investigation, Addendum Report, Upper Reach Housatonic River (First 1/2 Mile) (PDF) (2 pp, 51K)
- Letter from Tagliaferro (USEPA) to Silfer (GE), June 28, 1999, Conditional Approval of GE's April 28, 1999 Submittal DNAPL Assessment, East Street Area 2 Site, by HSI Geotrans (PDF) (3 pp, 113K)
- Source Control Investigation Addendum Report - Upper Reach Housatonic River (First 1/2 Mile), HSI Geotrans (prepared for GE), June 1999 (PDF) (180 pp, 8.8MB)
- Letter from Tagliaferro (USEPA) to Silfer (GE), May 7, 1999, Conditional Approval of GE's 26 April 1999 Submittal Results of Supplemental Soil Sampling in Support of Source Control Activities at Lyman Street Site (PDF) (2 pp, 41K)
- Letter from Ciampa (GE) to Olson and Tagliaferro (USEPA) and Weinberg (MDEP), April 26, 1999, Results of Supplemental Soil Sampling Program in Support of Source Control Activities at Lyman Street Site (PDF) (13 pp, 843K)
- DNAPL Assessment, East Street Area 2 Site, April 1999, HSI Geotrans (Prepared for GE) (PDF) (54 pp, 7MB)
- Letter from Tagliaferro (USEPA) to Silfer (GE), March 23, 1999, Conditional Approval of GE's 16 February 1999 Submittal titled Conceptual Barrier Design for Lyman Street Site (PDF) (5 pp, 241K)
- Letter from Tagliaferro (USEPA) to Silfer (GE), March 17, 1999, GE's March 1, 1999 Submittal Conditional Approval of Supplemental Source Control Containment/Recovery Measures, East Street Area 2 (PDF) (4 pp, 135K)
- Letter from Tagliaferro (USEPA) to Silfer (GE), March 17, 1999, Conditional Approval of GE's Source Control Investigation Report, Upper Reach of the Housatonic River (first 1/2 Mile) (PDF) (4 pp, 154K)
- Letter from Ciampa (GE) to Olson and Tagliaferro (USEPA) and Weinberg (MDEP), March 1, 1999, Conditional Approval of Supplemental Source Control Containment/Recovery Measures East Street Area 2 (PDF) (85 pp, 4.1MB)
- Letter from Ciampa (GE) to Olson and Tagliaferro (USEPA) and Weinberg (MDEP), February 18, 1999, Source Control Investigation Report, Upper Reach of Housatonic River (First 1/2 Mile) (PDF) (7 pp, 418K)
- Letter from Ciampa (GE) to Olson and Tagliaferro (USEPA) and Weinberg (MDEP), February 16, 1999, Conceptual Containment Barrier Design for Lyman Street Site (PDF) (19 pp, 1.7MB)
- Letter from Tagliaferro (USEPA) to Silfer (GE), February 11, 1999, Conditional Approval of "GE's Proposal for Supplemental Source Control Containment/Recovery Measures" (PDF) (13 pp, 605K)
- Source Control Investigation Report - Upper Reach of Housatonic River (First 1/2 Mile), HSI Geotrans (Prepared for GE), February 1999 (PDF) (188 pp, 13.3MB)
- Letter from Ciampa (GE) to Tagliaferro (USEPA) and Cutler (MDEP), January 8, 1999, Pumping Tests at Newell Street Area II Site (PDF) (5 pp, 249K)
- Proposal for Supplemental Source Control Containment/Recovery Measures, Blasland, Bouck, & Lee, Inc. (Prepared for GE), January 1999 (PDF) (234 pp, 13.4MB)
- Letter from Ciampa (GE) to Weinberg (MDEP) and Tagliaferro and Olson (USEPA), November 24, 1998, Proposal for DNAPL Recovery Operations, Newell Street Area II (PDF) (16 pp, 606K)
- Letter from Silfer and Ciampa (GE) to Olson and Tagliaferro (USEPA) and Weinberg (MDEP), November 18, 1998, Source Control Investigations and Preliminary Containment Barrier Design for East Street Area 2. (PDF) (11 pp, 12.2MB)
- Letter from Tagliaferro (USEPA) to Silfer (GE), October 6, 1998, Conditional Approval of the Source Control Work Plan - Upper Reach of Housatonic River (First 1/2 Mile), September 1998 (PDF) (6 pp, 223K)
- Source Control Work Plan - Upper Reach of Housatonic River (First 1/2 Mile), Blasland, Bouck & Lee, Inc. (Prepared for GE), September 1998 (PDF) (25 pp, 2.5MB)
- Occurrence of Oil at East Street Area 2/USEPA Area 4 - Fall 1997. Blasland, Bouck & Lee, Inc.(GE), February 1998 (PDF) (4 pp,63K)
GMA - 2, Oxbow Areas J and K
- Letter (with enclosure) from Gates (GE) to Fisher (USEPA), January 20, 2012, Re: Groundwater Management Area 2 Long-Term Monitoring Program Trend Evaluation Report for Fall 2011 (PDF) (109 pp, 3.2MB)
- Letter from Fisher (USEPA) to Gates (GE), November 7, 2011, Re: Conditional Approval of General Electric's August 5, 2011 submittal titled Groundwater Management Area 2, Long-Term Monitoring Program Monitoring Event Evaluation Report for Spring 2011, GE-Pittsfield/Housatonic River Site (PDF) (2 pp, 23K)
- Letter (with enclosure) from Gates (GE) to Fisher (USEPA), August 5, 2011, Re: Goundwater Management Area 2 Long-Term Monitoring Program Monitoring Event Evaluation Report for Spring 2011 (PDF) (82 pp, 1.7MB)
- Letter from Fisher (USEPA) to Gates (GE), March 23, 2011, Re; Conditional Approval of General Electric's February 11, 2011 submittal titled Groundwater Management Area 2, Long-Term Monitoring Program Monitoring Event Evaluation Report for Fall 2010 (PDF) (2 pp, 35K)
- Letter (with enclosure) from Gates (GE) to Fisher (USEPA), February 11, 2011, Re: Groundwater Management Area 2 Long-Term Monitoring Program Monitoring Event Evaluation Report for Fall 2010 (PDF) (80 pp, 1.9MB)
- Letter from Fisher (USEPA) to Gates (GE), October 21, 2010, Re: Conditional Approval of General Electric's July 23, 2010 submittal titled Groundwater Management Area 2, Lone-Term Monitoring Program Trend Evaluation Report for Spring 2010 (PDF) (2 pp, 35K)
- Letter (with enclosure) from Gates (GE) to Fisher (USEPA), July 23, 2010, Re: Groundwater Management Area 2 Long-Term Monitoring Program Trend Evaluation Report for Spring 2010 (PDF) (107 pp, 3.1MB)
- Letter from Fisher (USEPA) to Gates (GE), April 22, 2010, Re: Conditional Approval of General Electric's March 5, 2010 submittal titled Groundwater Management Area 2, Long-Term Monitoring Program Monitoring Event Evalutaion Report for Fall 2009 (PDF) (2 pp, 35K)
- Letter (with enclosure) from Gates (GE) to Fisher (USEPA), March 5, 2010, Re: Groundwater Management Area 2 Long-Term Monitoring Program Monitoring Event Evaluation Report for Fall 200 (PDF) (98 pp, 2.8MB)
- Letter from Fisher (USEPA) to Gates (GE), April 8, 2009, Re: Conditional Approval of General Electrics"s February 6, 2009 submittal titled Groundwater Management Area 2, Long-Term Monitoring Program Monitoring Event Evaluation Report for Fall 2008 (PDF) (3 pp, 32K)
- Letter (with report) from Gates (GE) to Tagliaferro (USEPA), February 6, 2009, Re: Groundwater Management Area 2 Long-Term Monitoring Program Monitoring Event Evaluation Report for Fall 2008 (PDF) (84 pp, 1.9MB)
- Letter from Hull (USEPA) to Gates (GE), October 22, 2008, Re; EPA Conditional Approval of General Electric's August 1, 2008 Groundwater Management Area 2 Long-Term Monitoring Program Monitoring Event Evaluation Report for Spring 2008 (PDF) (3 pp, 23K)
- Letter (with enclosure) from Gates (GE) to Fisher (USEPA), August 1, 2008, Re: Groundwater Management Area 2 Long-Term Monitoring Program Monitoring Event Evaluation Report for Spring 2008 (PDF) (118 pp, 2.9MB)
- Letter from Hull (USEPA) to Gates (GE), July 30, 2008, Re: EPA Conditional Approval of General Electric's May 14, 2008, Groundwater Management Area 2 Long-Term Monitoring Program Addendum to Monitoring Event Evaluation Report for Fall 2007 (PDF) (3 pp, 28K)
- Letter (with attachments) from Gates (GE) to Hull (USEPA), May 14, 2008, Re: Groundwater Management Area 2 Long-Term Monitoring Program Addendum to Monitoring Event Evaluation Report for Fall 2007 (PDF) (31 pp, 591K)
- Letter from Hull (USEPA) to Gates (GE), April 15, 2008, Re: EPA Conditional Approval of General Electric's March 2008 Groundwater Management Area 2 Long-Term Monitoring Program Monitoring Event Evalutation Report for Fall 2007 (PDF) (2 pp, 34K)
- Letter (w/report) from Gates (GE) to Fisher (USEPA), March 20, 2008, Re: Groundwater Management Area 2 Long-Term Monitoring Program Monitoring Event Evaluation Report for Fall 2007 (PDF) (119 pp, 2.4MB)
- Letter from Hull (USEPA) to Gates (GE), October 9, 2007, Re: EPA Conditional Approval of General Electric's June 15, 2007, submittal titled Groundwater Management Area 2 Baseline Assessment Final Report and Long-Term Monitoring Program Proposal (PDF) (3 pp, 28K)
- Letter from Gates (GE) to Hull (USEPA), June 15, 2007, Groundwater Management Area 2 Baseline Assessment Final Report and Long-Term Monitoring Program Proposal (PDF) (185 pp, 2.1MB)
- Letter from Hull (USEPA) to Gates (GE), March 15, 2007, Re: EPA Conditional Approval of General Electric's January 30, 2007, submittal titled Groundwater Management Area 2 Groundwater Quality Monitoring Report for Fall 2006 (PDF) (2 pp, 21K)
- Letter from Gates (GE) to Hull (USEPA), January 30, 2007, Groundwater Quality Monitoring Report for Fall 2006 (PDF) (52 pp, 1.3MB)
- Letter from Tagliaferro (USEPA) to Silfer (GE), November 16, 2006, Re: Conditional Approval of General Electric's July 28 submittal titled Groundwater Quality Interim Monitoring Report for Spring 2006, Groundwater Management Area 2 (PDF) (2 pp, 43K)
- Letter (with attached report) from Gates (GE) to Lovely (USEPA), July 28, 2006, Groundwater Management Area 2, Groundwater Quality Interim Report for Spring 2006 (PDF) (61 pp, 1.3MB)
- Groundwater Management Area 2 - Groundwater Quality Monitoring Interim Report for Fall 2005, Blasland, Bouck, & Lee, Inc., January 2006 (PDF) (60 pp, 1.7MB)
- Groundwater Management Area 2 - Baseline Groundwater Quality Interim Report for Spring 2002, Blasland, Bouck, & Lee, Inc., July 2002 (PDF) (106 pp, 10.6MB)
- Baseline Monitoring Program Proposal for Former Oxbows J and K Groundwater Management Area (GECD320), Blasland, Bouck & Lee, Inc. February 23, 2001. (PDF) (35 pp, 331K)
GMA - 3, Unkamet Brook Area
- Letter from Fisher (USEPA) to Gates (GE), November 21, 2011, Re: Conditional Approval of General Electric's August 30, 2011 submittal titled Groundwater Management Area 3, Groundwater Quality and NAPL Monitoring Interim Report for Spring 2011, GE-Pittsfield/Housatonic River Site (PDF) (3 pp, 49K)
- Letter (with enclosure) from Gates (GE) to Fisher (USEPA), August 30, 2011, Re: Groundwater Management Area 3 Groundwater Quality and NAPL Monitoring Interim Report for Spring 2011 (PDF) (299 pp, 9.8MB)
- Letter from Fisher (USEPA) to Gates (GE), April 25, 2011, Re: Conditional Approval of General Electric's February 25, 2011 submittal titled Groundwater Management Area 3, Groundwater Quality and NAPL Monitoring Interim Report for Fall 2010 (PDF) (3 pp, 39K)
- Letter (with enclosure) from Gates (GE) to Fisher (USEPA), February 25, 2011, Re: Groundwater Management Area 3 Groundwater Quality and NAPL Monitoring Interim Report for Fall 2010 (PDF) (203 pp, 3.6MB)
- Letter from Fisher (USEPA) to Gates (GE), December 14, 2010, Re: Conditional Approval of General Electric's August 30, 2010 submittal titled Groundwater Management Area 3, Groundwater Quality and NAPL Monitoring Interim Report for Spring 2010 (PDF) (3 pp, 40K)
- Letter (with enclosure) from Gates (GE) to Fisher (USEPA), August 30, 2010, Re: Groundwater Management Area 3 Groundwater Quality and NAPL Monitoring Interim Report for Spring 2010 (PDF) (283 pp, 8.8MB)
- Letter from Fisher (USEPA) to Gates (GE), May 13, 2010, Re: Conditional Approval of General Electric's February 26, 2010 submittal titled Groundwater Management Area 3, Groundwater Quality and NAPL Monitoring Interim Report for Fall 2009 (PDF) (3 pp, 50K)
- Letter (with enclosure) from Gates (GE) to Fisher (USEPA), February 26, 2010, Re: Groundwater Management Area 3 Groundwater Quality and NAPL Monitoring Interim Report for Fall 2009 (PDF) (331 pp, 6.2MB)
- Letter from Fisher (USEPA) to Gates (GE), December 16, 2009, Re: Conditional Approval of General Electric's August 28, 2009 submittal titled Groundwater Management Area 3, Groundwater Quality and NAPL Monitoring Interim Report for Spring 2009 (PDF) (3 pp, 28K)
- Letter (with enclosure) from Gates (GE) to Tagliaferro (USEPA), August 28, 2009, Re: Groundwater Management Area 3 Groundwater Quality and NAPL Monitoring Interim Report for Spring 2009 (PDF) (230 pp, 4.7MB)
- Letter from Fisher (USEPA) to Gates (GE), April 8, 2009, Re: Conditional Approval of General Electric's February 27, 2009 submittal titled Groundwater Management Area 3, Groundwater Quality and NAPL Monitoring Interim Report for Fall 2008 (PDF) (3 pp, 86K)
- Letter (with report) from Gates (GE) to Tagliaferro (USEPA), February 27, 2009, Re: Groundwater Management Area 3 Groundwater Quality and NAPL Monitoring Interim Report for Fall 2008 (PDF) (227 pp, 3.2MB)
- Letter from Hull (USEPA) to Gates (GE), October 23, 2008, Re; EPA Conditional Approval of General Electric's August 29, 2008, submittal titled Groundwater Management Area 3 Groundwater Quality and NAPL Monitoring Interim Report for Spring 2008 (PDF) (3 pp, 29K)
- Letter (with enclosure) from Gates (GE) to Hull (USEPA), August 29, 2008, Re:Groundwater Management Area 3 Groundwater Quality and NAPL Monitoring Interim Report for Spring 2008 (PDF) (245 pp, 7.4MB)
- Letter from Hull (USEPA) to Gates (GE), April 23, 2008, Re: EPA Conditional Approval of General Electric's February 27, 2008, submittal titled Groundwater Management Area 3, Groundwater Quality and NAPL Monitoring Interim Report for Fall 2007 (PDF) (2 pp, 32K)
- Letter from Gates (GE) to Hull (USEPA), February 27, 2007, Re: Groundwater Management Area 3, Groundwater Quality and NAPL Monitoring Interim Report for Fall 2007 (PDF) (173 pp, 5MB)
- Letter from Gates (GE) to Tagliaferro (USEPA), November 12, 2007, Re: Groundwater Management Area 3 Second Addendum to Supplemental Soil Gas Migration Assessment Report and Sampling Plan (PDF) (6 pp, 1MB)
- Letter from Hull (USEPA) to Gates (GE), October 24, 2007, Re: EPA conditional Approval of General Electric's August 30, 2007, submittal titled Groundwater Management Area 3 Groundwater Quality and NAPL Monitoring Report for Spring 2007 (PDF) (2 pp, 24K)
- Letter from Hull (USEPA) to Gates (GE), October 1, 2007, Re: Conditional Approval of General Electric's July 24, 2007 submittal titled Addendum to Supplemental Soil Gas Migration Assessment Report and Sampling Plan - Groundwater Management Area 3 (PDF) (2 pp, 22K)
- Letter from Hull (USEPA) to Gates (GE), September 12, 2007, Re: EPA Conditional Approval of General Electric's July 17, 2007, submittal titled Groundwater Management Area 3 LNAPL Recovery Assessment - Spring 2007 (PDF) (2 pp, 23K)
- Letter (with report) from Gates (GE) to Hull (USEPA), August 30, 2007, Re: Groundwater Management Area 3, Groundwater Quality and NAPL Monitoring Report for Spring 2007 (PDF) (232 pp, 3.9MB)
- Letter from Gates (GE) to Tagliaferro (USEPA), July 24, 2007, Re: Groundwater Management Area 3, Addendum to Supplemental Soil Gas Migration Assessment Report and Sampling Plan (PDF) (18 pp, 1.6MB)
- Letter from Gates (GE) to Hull (USEPA), July 17, 2007, Re: Groundwater Management Area 3, LNAPL Recovery Assessment-Spring 2007 (PDF) (21 pp, 3.1MB)
- Letter from Hull (USEPA) to Gates (GE), June 25, 2007, Re: Conditional Approval of General Electric's March 2007 submittal titled Supplemental Soil Gas Migration Assessment Report and Sampling Plan - Groundwater Management Area 3 (PDF) (2 pp, 21K)
- Letter from Hull (USEPA) to Gates (GE), April 19, 2007, Re: EPA Conditional Approval of General Electric's February 27, 2007, submittal titled Groundwater Management Area 3 NAPL Monitoring Report for Fall 2006 (PDF) (2 pp, 21K)
- Letter (with report) from Gates (GE) to Svirsky (USEPA), March 20, 2007, Unkamet Brook Area Proposed Schedule for Unkamet Brook Flow Monitoring (PDF) (3 pp, 127K)
- Letter (with report) from Gates (GE) to Tagliaferro (USEPA), March 16, 2007, Groundwater Management Area 3 Supplemental Soil Gas Migration Assessment Report and Sampling Plan (PDF) (71 pp, 5.2MB)
- Letter w/report from Gates (GE) to Hull (USEPA), February 27, 2007, Groundwater Management Area 3 NAPL Monitoring Report for Fall 2006 (PDF) (56 pp, 3.2MB)
- Conditional Approval of General Electric's September 15, 2006 submittal titled Soil Gas Investigation Summary Report for GMA3, and General Electric's October 20, 2006 Soil Gas Migration Assessment Report for Groundwater Management Area 3 (PDF) (2 pp, 20K)
- Letter from Tagliaferro (USEPA) to Silfer (GE), December 7, 2006, Approval of General Electric's August 30, 2006 submittal titled Groundwater Management Area 3 Groundwater Quality and NAPL Monitoring Interim Report for Spring 2006 (PDF) (3 pp, 28K)
- Letter from Gates (GE) to Svirsky (USEPA), November 7, 2006, Unkamet Brook Area, Proposal for Initial Unkamet Brook Flow Monitoring (PDF) (11 pp, 674K)
- Letter ( with report) from Gates (GE) to Tagliaferro (USEPA), October 20, 2006, Groundwater Management Area 3, Soil Gas Migration Assessment Report (PDF) (55 pp, 1.4MB)
- Letter (with report) from Gates (GE) to Lovely (USEPA), September 15, 2006, Groundwater Management Area 3, Soil Gas Investigation Summary Report (PDF) (38 pp, 6.9MB)
- Letter (with report) from Gates (GE) to Lovely (USEPA), August 30, 2006, Groundwater Management Area 3 Groundwater Quality and NAPL Monitoring Interim Report for Spring 2006 (PDF) (285 pp, 3.7MB)
- Letter from Lovely (USEPA) to Silfer (GE), July 11, 2006, EPA's Final Conditional Approval Letter for Soil Gas Investigation Work Plan for GMA-3 (PDF) (2 pp, 74K)
- Groundwater Management Area 3, Soil Gas Investigation Work Plan, May 2006 (PDF) (23 pp, 3.4MB)
- May 2, 2006 EPA Conditional Approval letter from William Lovely, EPA to Andrew Silfer, GE Re: Conditional Approval of General Electric’s Groundwater Management Area 3 Groundwater Quality and NAPL Monitoring Interim Report for Fall 2005 (PDF) (2 pp, 90K)
- Letter from Lovely (USEPA) to Silfer (GE), March 8, 2006, Conditional Approval of GE's GWM Area 3 Baseline Groundwater Quality and NAPL Monitoring Interim Report for Spring 2005 (PDF) (2 pp, 93K)
- Baseline Groundwater Quality and NAPL Monitoring Interim Report for Fall 2005, Blasland, Bouck & Lee, Inc. February 2006 (PDF) (253 pp, 29.8MB)
- Groundwater Management Area 3 – Baseline Groundwater Quality and NAPL Monitoring Interim Report for Spring 2005, Blasland, Bouck, & Lee, Inc., August 2005 (PDF) (324 pp, 5.9MB)
- Groundwater Management Area 3 – Baseline Groundwater Quality Monitoring and NAPL Monitoring Interim Report for Fall 2004, Blasland, Bouck, & Lee, Inc., February 2005 (PDF) (231 pp, 4.4MB)
- Letter from Lovely (USEPA) to Silfer (GE), February 10, 2005, Conditional Approval of General Electric's Groundwater Management Area 3 Modifications to NAPL Monitoring Program (PDF) (2 pp, 60K)
- Letter from Novotny (GE) to DiLorenzo (USEPA), June 15, 2004, Groundwater Management Area 3 Modifications to Baseline Monitoring Program (PDF) (3 pp, 133K)
- Groundwater Management Area 3 Baseline Groundwater Quality and NAPL Monitoring Interim Report for Spring 2002, Blasland, Bouck & Lee, Inc. (Prepared for GE), August 2002. (PDF) (195 pp, 12.2MB)
- Letter from Novotny (GE) to Olson (USEPA), February 20, 2002, Plant Site 2 GMA Addendum to Baseline Monitoring Program Proposal (PDF) (15 pp, 696K)
- Letter from Nalipinski (USEPA) to Silfer (GE), November 21, 2001, Conditional Approval of GE's April 2001 Submittal Baseline Monitoring Proposal for Plant Site 2 GMA-3 (PDF) (7 pp, 470K)
- Baseline Monitoring Program Proposal for Plant Site 2 Groundwater Management Area, General Electric Co., Blasland, Bouck & Lee, Inc. April 24, 2001. (PDF) (193 pp, 1.8MB)
- MCP Interim Phase II Report and Current Assessment Summary for Unkamet Brook Area/USEPA Area 1., Blasland, Bouck & Lee, Inc. January 1995. (PDF) (26 pp, 409K)
GMA - 4, Hill 78 Area
- Letter form Fisher (USEPA) to Gates (GE), October 12, 2011, Re: Approval of General Electric's August 30, 2011 submittal titled Groundwater Management Area 4, Groundwater Quality Monitoring Interim Report for Spring 2011 (PDF) (2 pp, 33K)
- Letter (with enclosure) from Gates (GE) to Fisher (USEPA), August 30, 2011, Re: Groundwater Management Area 4 Groundwater Quality Monitoring Interim Report for Spring 2011 (PDF) (243 pp, 6.4MB)
- Letter from Fisher (USEPA) to Gates (GE) March 22, 2011, Re: Conditional Approval of General Electric's February 25, 2011 submittal titled Groundwater Management Area 4, Groundwater Quality Monitoring Interim Report for Fall 2010 (PDF) (2 pp, 33K)
- Letter (with enclosure) from Gates (GE) to Fisher (USEPA) February 25, 2011, Re: Groundwater Management Area 4 Groundwater Quality Monitoring Interim Report for Fall 2010 (PDF) (226 pp, 5.5MB)
- Letter Fisher (USEPA) to Gates (GE), December 7, 2010, Re: Conditional Approval of General Electric's August 30, 2010 submittal titled Groundwater Management Area 4, Groundwater Quality Monitoring Interim Report for Spring 2010, and September 9, 2010 submittal titled Groundwater Management Area 4, Addendum to Groundwater Quality Monitoring Interim Report for Spring 2010 GEPittsfield/ Housatonic River Site (PDF) (2 pp, 34K)
- Letter (with enclosure) from Gates (GE) to Fisher (USEPA), September 9, 2010, Re: Groundwater Management Area 4 Addendum to Groundwater Quality Monitoring Interim Report for Spring 2010 (PDF) (3 pp, 1.2MB)
- Letter (with enclosure) from Gates (GE) to Fisher (USEPA), August 30, 2010, Re: Groundwater Management Area 4 Groundwater Quality Monitoring Interim Report for Spring 2010 (PDF) (266 pp, 7.6MB)
- Letter from Fisher (USEPA) to Gates (GE), April 26, 2010, Re: Conditional Approval of General Electric's February 26, 2010 submittal titled Groundwater Management Area 4, Groundwater Quality Monitoring Interim Report for Fall 2009 (PDF) (3 pp, 37K)
- Letter (with enclosure) from Gates (GE) to Fisher (USEPA), February 26, 2010, Re: Groundwater Management Area 4 Groundwater Quality Monitoring Interim Report for Fall 2009 (PDF) (280 pp, 8.5MB)
- Letter from Fisher (USEPA), to Gates (GE), October 20, 2009, Re: Conditional Approval of General Electric's August 28, 2009 submittal titled Groundwater Management Area 4, Groundwater Quality Monitoring Interim Report for Spring 2009 (PDF) (2 pp, 33K)
- Letter (with enclosure) from Gates (GE) to Fisher (USEPA), August 28, 2009, Re: Groundwater Management Area 4 Groundwater Quality Monitoring Interim Report for Spring 2009 (PDF) (201 pp, 4.6MB)
- Letter from Fisher (USEPA) to Gates (GE), May 21, 2009, Re: Conditional Approval of General Electric's February 27, 2009 submittal titled Groundwater Management Area 4, Groundwater Quality Monitoring Interim Report for Fall 2008 (PDF) (4 pp, 92K)
- Letter (with report) from Gates (GE) to Fisher (USEPA), February 27, 2009, Re: Groundwater Management Area 4 Groundwater Quality Monitoring Interim Report for Fall 2008 (PDF) (208 pp, 5.4MB)
- Letter from Fisher (USEPA) to Gates (GE), January 27, 2009, Re: EPA Conditional Approval of General Electric's August 29, 2008, submittal titled Groundwater Management Area 4 Groundwater Quality Monitoring Interim Report for Spring 2008 (PDF) (3 pp, 32K)
- Letter (with enclosure) from Gates (GE) to Hull (USEPA), August 29, 2008, Re: Groundwater Management Area 4 Groundwater Quality Monitoring Interim Report for Spring 2008 (PDF) (199 pp, 5MB)
- Letter from Hull (USEPA) to Gates (GE), April 23, 2008, Re: EPA Conditional Approval of General Electric's February 27, 2008 submittal titled Groundwater Management Area 4 Groundwater Quality Monitoring Interim Report for Fall 2007 (PDF) (2 pp, 35K)
- Letter from Gates (GE) to Hull (USEPA), February 27, 2008, Re: Groundwater Management Area 4, Groundwater Quality Monitoring Interim Report for Fall 2007 (PDF) (209 pp, 4.9MB)
- Summary Report - Piezometer installation and gauging at Allendale School, Czelusniak (Weston), December 7, 2007 (PDF) (4 pp, 311K)
- Letter from Hull (USEPA) to Gates (GE), October 22, 2007, Re: EPA approval of General Electric's August 30, 2007, submittal titled Groundwater Management Area 4 Groundwater Quality Monitoring Interim Report for Spring 2007 (PDF) (2 pp, 23K)
- Letter (with report) from Gates (GE) to Hull (USEPA), August 30, 2007, Re: Groundwater Management Area 4, Groundwater Quality Monitoring Interim Report for Spring 2007 (PDF) (199 pp, 3.6MB)
- Letter from Hull (USEPA) to Gates (GE), April 4, 2007, Re: EPA Approval of General Electric's February 27, 2007, submittal titled Groundwater Management Area 4 Groundwater Quality Monitoring Interim Report for Fall 2006 (PDF) (2 pp, 63K)
- Letter w/report from Gates (GE) to Hull (USEPA), February 27, 2007, Groundwater Management Area 4 Groundwater Quality Monitoring Interim Report for Fall 2006 (PDF) (228 pp, 3.8MB)
- Letter from Hull (USEPA) to Gates (GE), November 29, 2006, re: EPA Approval of General Electric's November 7, 2006 submittal titled Groundwater Management Area 4 Results of PCB Assessment - Selected Monitoring Wells (PDF) (2 pp, 82K)
- Letter from Hayes (USEPA) to Silfer (GE), November 14, 2006, Conditional Approval of General Electric's September 13, 2005 GMA 4 Groundwater Quality Monitoring Interim Report for Spring 2006 (PDF) (3 pp, 131K)
- Letter from Gates (GE) to Tagliaferro (USEPA), November 7, 2006, Groundwater Management Area 4, Results of PCB Assessment - Selected Monitoring Wells (PDF) (30 pp, 1MB)
- Letter (with attached report) from Gates (GE) to Hayes (USEPA), September 13, 2006, Groundwater Management Area 4, Groundwater Quality Monitoring Interim Report for Spring 2006 (PDF) (220 pp, 3.3MB)
- Letter from Hayes (EPA) to Silfer (GE), June 5, 2006, Conditional Approval of GE's August 30, 2005 GMA 4 Groundwater Quality Monitoring Interim Report for Spring 2005 and February 27, 2006 GMA 4 Groundwater Quality Monitoring Interim Report for Fall 2005 (PDF) (4 pp, 209K)
- Groundwater Quality Monitoring Interim Report for Fall 2005, Blasland, Bouck & Lee, Inc. February 2006 (PDF) (254 pp, 19.7MB)
- Letter from Novotny (GE) to Hayes (USEPA), August 30, 2005, Re: Groundwater Management Area 4 Groundwater Quality Monitoring Interim Report for Spring 2005 (PDF) (236 pp, 3.1MB)
- Groundwater Management Area 4 - Groundwater Quality Monitoring Interim Report for Fall 2004, Blasland, Bouck, & Lee, Inc., February 2005 (PDF) (221 pp, 3.5MB)
- Letter from Novotny (GE) to Olson (USEPA), July 9, 2002, Hill 78 On-Plant Consolidation Area Geophysical Testing Results and Proposed Deep Soil Borings (PDF) (15 pp, 5MB)
- Letter from Novotny (GE) to Olson (USEPA), February 21, 2002, Plant Site 3 GMA Addendum to Baseline Monitoring Program Proposal (describes modifications for GMA-4) (PDF) (12 pp, 658K)
- Letter from Nalipinski (USEPA) to Silfer (GE), January 2, 2002, Conditional Approval of GE's October, 2001 Submittal Semi-Annual Groundwater Monitoring Report, Hill 78 and Building 71 On-Plant Consolidation Areas (PDF) (3 pp, 311K)
- Letter from Nalipinski (USEPA) to Silfer (GE), December 28, 2001, Conditional Approval of GE's April 2001 Submittal Baseline Monitoring Proposal for Plant Site 3 GMA-4 (PDF) (7 pp, 604K)
- Semi-Annual Groundwater Monitoring Report Hill 78 and Building 71 On-Plant Consolidation Areas (OPCAs), Blasland, Bouck, & Lee, Inc. (Prepared for GE), October 2001 (PDF) (207 pp, 9.6MB)
- Letter from Novotny (GE) to Olson (USEPA), September 28, 2001, Groundwater Management Areas Clarification of GW-2 Groundwater Monitoring Protocols (PDF) (2 pp, 113K)
- Baseline Monitoring Program Proposal for Plant Site 3 Groundwater Management Area (GECD320), Blasland, Bouck & Lee, Inc. July 2001. (PDF) (45 pp, 436K)
GMA - 5, Oxbow Areas A and C
- Letter from Fisher (USEPA) to Gates (GE), April 5, 2011, Re: Conditional Approval of General Electric's February 28, 2011 submittal titled Groundwater Management Area 5, Long-Term Monitoring Program Monitoring Event Evaluation Report for Fall 2010 (PDF) (2 pp, 35K)
- Letter (with enclosure) from Gates (GE) to Fisher (USEPA), February 28, 2011, Re: Groundwater Management Area 5 Long-Term Monitoring Program Monitoring Event Evaluation Report for Fall 2010 (PDF) (119 pp, 2.9MB)
- Letter from Fisher (USEPA) to Gates (GE), November 8, 2010, Re: Conditional Approval of General Electric's September 14, 2010 submittal titled Groundwater Management Area 5, Long-Term Monitoring Program Trend Evaluation Report for Spring 2010 (PDF) (2 pp, 27K)
- Letter (with enclosure) from Gates (GE) to Fisher (USEPA), September 14, 2010, Re: Groundwater Management 5 Long-Term Monitoring Program Groundwater Management Area 5 Long-Term Trend Evaluation Report for Spring 2010 (PDF) (145 pp, 7.5MB)
- Letter from Fisher (USEPA) to Gates (GE), April 22, 2010, Re: Conditional Approval of General Electric's February 15, 2010 submittal titled Groundwater Management Area 5, Long-Term Monitoring Program, Groundwater Management Area 5 Long-Term Trend Evaluation Report for Fall 2009 (PDF) (2 pp, 36K)
- Letter (with Enclosure) from Gates (GE) to Fisher (USEPA), February 15, 2010, Re: Groundwater Management Area 5 Long-Term Monitoring Program Groundwater Management Area 5 Long-Term Trend Evaluation Report for Fall 2009 (PDF) (120 pp, 5.8MB)
- Letter from Fisher (USEPA) to Gates (GE), October 20, 2009, Re: Conditional Approval of General Electric's July 10, 2009 submittal title Groundwater Management Area 5, Long-Term Monitoring Program Monitoring Event Evaluation Report for Spring 2009 (PDF) (2 pp, 33K)
- Letter (with enclosure) from Gates (GE) to Fisher (USEPA), July 10, 2009, Re: Groundwater Management Area 5 Long-Term Monitoring Program Monitoring Event Evaluation Report for Spring 2009 (PDF) (97 pp, 1.8MB)
- Letter from Fisher (USEPA) to Gates (GE), April 8, 2009, Re: Conditional Approval of General Electric's February 13, 2009 submittal titled Groundwater Management Area 5, Long-Term Monitoring Program Monitoring Event Evaluation Report for Fall 2008 (PDF) (3 pp, 87K)
- Letter (with report) from Gates (GE) to Fisher (USEPA), February 13, 2009, Re: Groundwater Management Area 5 Long-Term Monitoring Program Monitoring Event Evaluation Report for Fall 2008 (PDF) (127 pp, 6.7MB)
- Letter from Fisher (USEPA) to Gates (GE), October 23, 2008, Re: Conditional Approval of General Electric's August 22, 2008 submittal titled Groundwater Management Area 5, Long-Term Monitoring Event Evaluation Report for Spring 2008 (PDF) (2 pp, 35K)
- Letter (with enclosure) from Gates (GE) to Fisher (USEPA), August 22, 2008, Re: Groundwater Management Area 5 Long-Term Monitoring Program Monitoring Event Evaluation Report for Spring 2008 (PDF) (122 pp, 3.3MB)
- Letter from Fisher (USEPA) to Gates (GE), April 22, 2008, Re: Conditional Approval of General Electric's March 20, 2008 submittal titled Groundwater Management Area 5, Long-Term Monitoring Program Monitoring Event Evaluation Report for Fall 2007 (PDF) (2 pp, 20K)
- Letter (w/report) from Gates (GE) to Fisher (USEPA), March 20, 2008, Re: Groundwater Management Area 5, Long-Term Monitoring Program Monitoring Event Evaluation Report for Fall 2007 (PDF) (138 pp, 4MB)
- Letter from Fisher (USEPA) to Gates (GE), October 24, 2007, Re: Conditional Approval of General Electric's September 19, 2007 submittal, Groundwater Management Area 5, Addendum to Baseline Assessment Final Report and Long-Term Monitoring Program (PDF) (2 pp, 43K)
- Groundwater Management Area 5, Addendum to Baseline Assessment Final Report and Lone-Term Monitoring Program Proposal (PDF) (1 pg, 89K)
- Letter from Fisher (USEPA) to Gates (GE), August 21, 2007, Re: Conditional Approval of GE's April 2007 submittal, Baseline Assessment Final report and Long-Term Monitoring Program Proposal for Groundwater Management Area 5 (PDF) (2 pp, 29K)
- Letter (with report) from Gates (GE) to Fisher (USEPA), April 26, 2007, Re: Groundwater Management Area 5 Baseline Assessment Final Report and Long-Term Monitoring Program Proposal (PDF) (327 pp, 6.3MB)
- Letter from Tagliaferro (USEPA) to Silfer (GE), November 16, 2006, Re: Approval of General Electric's July 28, 2006 submittal titled Groundwater Quality Monitoring Interim Report for Spring 2006, Groundwater Management Area 5 (PDF) (2 pp, 45K)
- Letter and report from Gates (GE) to Lovely (USEPA), July 28, 2006, Groundwater Quality Interim Report for Spring 2006, Groundwater Management Area 5 (PDF) (168 pp, 5.4MB)
- Letter from Gates (GE) to Lovely (USEPA), January 30, 2006, Groundwater Management Area 5 - Groundwater Quality Interim Monitoring Program (PDF) (15 pp, 1.1MB)
- Letter form Lovely (USEPA) to to Silfer (GE), November 10, 2004, Conditional Approval of GE's Groundwater Management Area 5 Groundwater Quality Interim Report for Spring 2004 (PDF) (2 pp, 147K)
- Letter form Dilorenzo (USEPA) to to Silfer (GE), May 5, 2004, Comments on GE's 28 January 2004 Groundwater Management Area 5 Baseline Groundwater Quality Interim Report for Fall 2003 (PDF) (3 pp, 250K)
- Letter form Nalipinski (USEPA) to to Silfer (GE), September 23, 2003, Comments on GE's July 2003 Groundwater Management Area 5 Baseline Groundwater Quality Interim Report for Spring 2003 (PDF) (2 pp, 165K)
- Letter form Nalipinski (USEPA) to to Silfer (GE), April 17, 2003, Comments on GE's January 2003 Groundwater Management Area 5 Baseline Groundwater Quality Interim Report for Fall 2002 (PDF) (3 pp, 202K)
- Letter form Nalipinski (USEPA) to Silfer (GE), December 23, 2002, Comments on GE's July 2002 GMA Area 5 Baseline Groundwater Quality Interim Report for Spring 2002 (PDF) (2 pp, 150K)
- Groundwater Management Area 5 Baseline Groundwater Quality Interim Report for Spring 2002, Blasland, Bouck & Lee, Inc. (Prepared for GE), July 2002 (PDF) (128 pp, 19.7MB)
- Baseline Monitoring Program Proposal for Former Oxbows A and C Groundwater Management Area (GECD340), Blasland, Bouck & Lee, Inc. December 2000. (PDF) (38 pp, 511K)
General
- GE Overview of NAPL and Groundwater Program Presentation and the Treatment Facility slides, November 6, 2002 (PDF) (44 pp, 6.7MB)