GE/Housatonic River Site in New England
Serving Connecticut, Maine, Massachusetts, New Hampshire, Rhode Island, Vermont & 10 Tribal Nations
Silver Lake - Reports
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The following list of reports and documents has been selected to provide an overview of the environmental investigations and remedial actions conducted for the Silver Lake Area. Most of the available reports and documents were produced for General Electric by their environmental consultants.
- Soils Adjacent to the Silver Lake
- Silver Lake Sediment
- Silver Lake Sediment and Soils Adjacent to Silver Lake
- Public Notice: Fish Tissue Results from Silver Lake in Pittsfield
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Soils Adjacent to the Silver Lake
- Letter from Dickerson (USEPA) to Silfer (GE), August 25, 2011, Re: Conditional Approval of GE's August 2011 Revised Final Removal Design/Removal Action Work Plan for Silver lake Area (PDF) (4 pp, 978K)
- Letter (with attachments) from Tagliaferro (USEPA) to Carroll (GE) and Hines (PEDA), July 13, 2009, Re: Conditional Approval of Activities Related to the Installation of a Box Culvert Silver Lake Removal Action Area (PDF) (12 pp, 1.7MB)
- Letter (with attachments) from Gates (GE) to Tagliaferro (USEPA), July 2, 2009, Re: Silver Lake Area Responses to Trustee Comments Regarding Natural Resource Restoration/Enhancement Measures for Banks of Silver Lake (PDF) (21 pp, 1.6MB)
- Letter from Fisher (USEPA) to Gates (GE), March 4, 2009, Re: Conditional Approval of General Electric's October 22, 2008 submittal titled Revised Conceptual Removal Design/Removal Action Work Plan for Soils Adjacent to Silver Lake (PDF) (6 pp, 44K)
- Letter (with enclosure) from Gates (GE) to Fisher (USEPA), October 22, 2008, Re: Silver Lake Area Revised Conceptual Removal Design/Removal Action Work Plan for Soils Adjacent to Silver Lake (PDF) (1242 pp, 36.01MB)
- Letter (with attachments) from Tagliaferro (USEPA) to Gates (GE), September 23, 2008, Re: EPA Conditional Approval of General Electric's May 25, 2007 submittal titled "Conceptual Removal Design/Removal Action Work Plan for Soils Adjacent to Silver Lake" (PDF) (13 pp, 27MB)
- Letter from Gates (GE) to Fisher (USEPA), May 25, 2007, Re: Silver Lake Area Conceptual Removal Design/Removal Action Work Plan for Soils Adjacent to Silver Lake
- Vol I (PDF) (262 pp, 16.3MB)
- Vol II (PDF) (272 pp, 44.8MB)
- Vol III (PDF) (552 pp, 56.4MB)
- Letter from Fisher (USEPA) to Silfer (GE), dated January 5, 2007, Re: Conditional Approval of GE's September 8, 2006 submittal titled Fourth Interim Pre-Design Investigation Report for Soils Adjacent to Silver lake and GE's November 14, 2006 submittal titled Addendum to the Fourth Interim Pre-Design Investigation Report for Soils Adjacent to Silver Lake (PDF) (3 pp, 138K)
- Letter (with attached report) from Gates (GE) to Tagliaferro (USEPA), November 14, 2006, Addendum to the Fourth Interim Pre-Design Investigation Report for Soils Adjacent to Silver Lake (PDF) (17 pp, 790K)
- Letter (with report) from Gates (GE) to Hayes (USEPA), September 8, 2006, Fourth Interim Pre-Design Investigation Report for Soils Adjacent to Silver Lake (PDF) (70 pp, 5.2MB)
- Letter from Svirsky (USEPA) to Silfer (GE), August 30, 2006, Re: EPA Conditional Approval of General Electric's Proposed Silver Lake Bank Soil Removal, August 22, 2006 (PDF) (2 pp, 25K)
- Letter from Silfer (GE) to Svirsky (USEPA), August 22, 2006, Re: Proposed Silver Lake Bank Soil Removal, Silver Lake Area (PDF) (4 pp, 4.06MB)
- May 11, 2006 EPA Conditional Approval letter from William Lovely, EPA to Andrew Silfer, GE Re: Conditional Approval of General Electric’s Third Interim Pre-Design Investigation Report for Soils Adjacent to Silver Lake, GE-Pittsfield/Housatonic River Site, Pittsfield, Massachusetts (PDF) (3 pp, 80K)
- April 5, 2006 Letter Report from Richard Gates, GE to Sharon Hayes, EPA Re: Addendum to Third Interim Pre-Design Investigation Report for Soils Adjacent to Silver Lake (PDF) (33 pp, 4.36MB)
- Letter from Gates (GE) to Lovely (USEPA), December 20, 2005, Third Interim Pre-Design Investigation Report for Soils Adjacent to Silver Lake. (PDF) (232 pp, 8.3MB)
- Letter from Lovely (USEPA) to Silfer (GE), August 30, 2005, Conditional Approval of GE's Second Interim Pre-Design Investigation Report for Soils Adjacent to Silver Lake. (PDF) (2 pp, 118K)
- Letter from Gates (GE) to DiLorenzo (USEPA), May 17, 2005, Second Interim Pre-Design Investigation Report for Soils Adjacent to Silver Lake. (PDF) (216 pp, 6.9MB)
- Letter from DiLorenzo (USEPA) to Silfer (GE), January 18, 2005, Conditional Approval of General Electric's September 2004 Interim Pre-Design Investigation Report for Soil Adjacent to Silver Lake, GE-Pittsfield/Housatonic River Site, Pittsfield, Massachusetts. (PDF) (4 pp, 437K)
- Letter Report from Gates (GE) to DiLorenzo (USEPA), September 29, 2004, Interim Pre-Design Investigation Report for Soils Adjacent to Silver Lake. (PDF) (207 pp, 8.9MB)
- Letter from Lovely (USEPA) to Silfer (GE), August 6, 2004, GE's Planned Excavations at Parcel I9-9-34 at Silver Lake Area and Parcel K10-11-5 at Former Oxbows J and K Area. (PDF) (2 pp, 90K)
- Letter from Gates (GE) to Tagliaferro (USEPA), June 23, 2004, Planned Excavations at Parcel I9-9-34 at Silver Lake Area and Parcel K10-11-5 at Former Oxbow Areas J and K (PDF) (11 pp, 5.5MB)
- Letter from Nalipinski (USEPA) to Silfer (GE), March 30, 2004, Conditional Approval of GE's March 2004 Proposal for Additional Pre-Design Sampling for Soils Adjacent to Silver Lake. (PDF) (1 p., 110K)
- Letter from Gates (GE) to Nalipinski (USEPA), March 11, 2004, Proposal for Additional Pre-Design Sampling for Soils Adjacent to Silver Lake. (PDF) (15 pp, 9.2MB)
- Letter from Nalipinski (USEPA) to Silfer (GE), January 14, 2004, Final Conditional Approval of GE's October 2003 Silver Lake Area Pre-Design Investigation Work Plan Addendum for Soils Adjacent to Silver Lake. (PDF) (4 pp, 413K)
- Pre-Design Investigation Work Plan Addendum for Soils Adjacent to Silver Lake, Blasland, Bouck & Lee, Inc. (Prepared for GE), October 2003. (PDF) (432 pp, 2.7MB)
- Letter from Gates (GE) to Cutler (MDEP), August 14, 2001, Revised Remedial Action Work Plan (RAWP) Drawings for the Following Off-Site Residential Properties: I9-9-26, -27, -28, -29, and J10-2-6. (PDF) (4 pp, 5.2MB)
- Immediate Response Action Completion Report for Parcels I9-9-27 and I9-9-28, Blasland, Bouck, & Lee, Inc. (Prepared for GE), April 1999. (PDF) (106 pp, 14.9MB)
Silver Lake Sediment
- Letter (with enclosure) from Silfer (GE) to Svirsky (USEPA), November 5, 2010, Re: Revised Final Removal Design/Removal Action Work Plan for Silver Lake Area (PDF) (433 pp, 47.2MB)
- Letter from Tagliaferro (USEPA) to Silfer (GE), October 12, 2010, Re: Conditional Approval of General Electric's September 2, 2010 submittal titled Revised Interim Silver Lake Bank Planting Plan, Silver Lake Area (PDF) (2 pp, 28K)
- Letter (with enclosure) from Silfer (GE) to Tagliaferro (USEPA), September 2, 2010, Re: Silver Lake Area Revised Interim Silver Lake Bank Planting Plan (PDF) (8 pp, 2MB)
- Letter from Fisher (USEPA) to Gates (GE), December 17, 2009, Re: Conditional Approval of General Electric's July 2, 2009 submittal titled Responses to Trustee Comments Regarding Natural Resource Restoration/Enhancement Measures for Banks of Silver Lake (PDF) (3 pp, 42K)
- Letter from Svirsky, (USEPA) to Silfer (GE), August 11, 2009, Re: Conditional Approval of GE's Revised Conceptual Removal Design/Removal Action Work Plan for Silver Lake Sediments (PDF) (10 pp, 409K)
- General Electric Revised Conceptual Removal Design/Removal Action Work Plan For Silver Lake Sediments, Originally Submitted July 2008, Revised April 2009 (PDF) (89 pp, 9.7MB)
- Letter (with attachment) from Svirsky (USEPA) to Silfer (GE) March 2, 2009, Re: Condtional Approval of GE's Conceptual Removal Design/Removal Action Work Plan for Silver Lake Sediments (PDF) (11 pp, 254K)
- Letter (with report) from Silfer (GE) to Svirsky (USEPA), July 3, 2008, Re: Silver Lake Area; Conceptual Removal Design/Removal Action Work Plan for Silver Lake Sediments (PDF) (79 pp, 13.1MB)
- Letter from Svirsky (USEPA) to Silfer (GE), April 7, 2008, Re: EPA's Conditional Approval of the Revised Pilot Study Report for Silver Lake Sediments (PDF) (3 pp, 26K)
- Letter (with report) from Silfer (GE) to Svirsky (USEPA), January 8, 2008, Re: Silver Lake Area Revised Pilot Study Report for Silver Lake Sediments (PDF) (297 pp, 20.2MB)
- Letter from Svirsky (USEPA) to Silfer (GE), December 10, 2007, Re: EPA's Conditional Approval of the Pilot Study Report for Silver Lake Sediments (PDF) (6 pp, 52K)
- Letter (with report) from Silfer (GE) to Svirsky (USEPA), December 3, 2007, Re: Summary of Recent Field Investigation and Analytical Results Related to Silver Lake Bank Materials (PDF) (6 pp, 2.4MB)
- Letter (with report) from Silfer (GE) to Svirsky (USEPA), September 28, 2007, Re: General Electric Company's Pilot Study Report for Silver Lake Sediments which summarizes the performance and results of the pilot-scale study for Silver Lake sediments. (PDF) (294 pp, 20.1MB)
- Letter from Svirsky (USEPA) to Silfer (GE), June 12, 2007, Re: EPA's Conditional Approval of the Proposed Sampling Plan Related to Stained Materials in Silver Lake Bank Soils Adjacent to Sediment Pilot Study Area (PDF) (3 pp, 61K)
- Letter from Silfer (GE) to Svirsky (USEPA), May 10, 2007, Re: Silver Lake Area, Proposed Soil Sampling Plan Related to Stained Materials In Silver Lake Bank Soils Adjacent to Sediment Pilot Study Area (PDF) (9 pp, 1.6MB)
- Letter from Silfer (GE) to Svirsky (USEPA), March 19, 2007, Silver Lake Area Summary of Bank Soil Removal Activities Associated with Pilot Study Implementation (PDF) (11 pp, 1.3MB)
- Letter from Svirsky (USEPA) to Silfer (GE), August 30, 2006, Re: EPA Approval of General Electric's August 2006 Revised Pilot Study Work Plan for Silver Lake Sediments (PDF) (2 pp, 19K)
- August 2006 Revised Pilot Study Work Plan for Silver Lake Sediments (PDF) (68 pp, 20.7MB)
- Letter from Silfer (GE) to Svirsky (EPA), August 16, 2006, Re: EPA Review of GE's June 2006 Pilot Study Work Plan for Silver Lake Sediments (PDF) (5 pp, 414K)
- Letter from Svirsky (USEPA) to Silfer (GE), July 18, 2006, EPA Conditional Approval of GE's June 2006 Pilot Study Work Plan for Silver Lake Sediments (PDF) (4 pp, 25K)
- Letter from Svirsky (USEPA) to Silfer (GE), June 19, 2006, EPA Approval of GE's May 2006 Bench-Scale Study Report for Silver Lake Sediments (PDF) (2 pp, 13K)
- Pilot Study Work Plan for Silver Lake Sediments, Blasland, Bouck & Lee, Inc., (Prepared for GE) June 2006 (PDF) (67 pp, 16.1MB)
- Letter from Silfer (GE) to Svirsky (USEPA) May 31, 2006, re: EPA Review of GE's March 2006 Bench-Scale Study Report for Silver Lake Sediments (PDF) (67 pp, 3.2MB)
- EPA's May 2, 2006 Conditional Approval Letter to GE for the Silver Lake Pilot Study Report (PDF) (4 pp, 337K)
- GE Presentation to the CCC - Silver Lake Bench Scale Study, March 30, 2006 (PDF) (29 pp, 5.63MB)
- Bench-Scale Study Report for Silver Lake Sediments, March 7, 2006 (PDF) (65 pp, 2.7MB)
- Completion of Stage 1 of Bench-Scale Study for Silver Lake Sediments, June 13, 2005 (PDF) (18 pp, 2MB)
- Silver Lake Area (GECD600) Revisions to Supplemental Pre-Design Investigation Report for Silver Lake Sediments, May 24, 2005 (PDF) (7 pp, 275K)
- Silver Lake Area (GECD600) Supplemental Pre-Design Investigation for Silver Lake Sediments: Results and Discussion, April 11, 2005 (PDF) (47 pp, 5.5MB)
- Bench-Scale Study Work Plan for Silver Lake Sediments, January 20, 2005 (PDF) (24 pp, 2.8MB)
- Silver Lake Area (GECD600) Revisions to Pre-Design Investigation Report for Silver Lake Sediments, December 15, 2004 (PDF) (9 pp, 180K)
- Silver Lake Area (GECD600) Pre-Design Investigation Report for Silver Lake Sediments, Volume 1, February 10, 2004 (PDF) (118 pp, 14.1MB)
- Silver Lake Area (GECD600) Pre-Design Investigation Report for Silver Lake Sediments, Volume 2, February 10, 2004 (PDF) (279 pp, 10.6MB)
Silver Lake Sediment and Soils Adjacent to Silver Lake
- Letter (with enclosure) from Silfer (GE) to Dickerson (USEPA), May 3, 2012, Re: Silver Lake Area Revised Supplemental Information Package (PDF) (395 pp, 19.4MB)
- Letter from Dickerson (USEPA) to Silfer (USEPA), April 10, 2012, Re: Request for Extension of Time for Submission of SIP, Silver Lake (PDF) (2 pp, 462K)
- Letter from Silfer (GE) to Dickerson (USEPA), April 4, 2012, Re: Silver Lake Area Extension of Time for Submission of Revised Supplemental Information Package and Initiation of On-Site Work/Potential Force Majeure (PDF) (2 pp, 514K)
- Letter from Dickerson (USEPA) to Silfer (GE), March 15, 2012, Re: Conditional Approval of GE's January 2012 Supplemental Information Package for Silver Lake Area Removal Action (PDF) (12 pp, 3.8MB)
- Letter (with enclosure) from Silfer (GE) to Dickerson (USEPA), January 12, 2012, Re: Silver Lake Area Supplemental Information Package for Silver Lake Area Removal Action (PDF) (367 pp, 18.2MB)
- Letter (with enclosure) from Silfer (GE) to Dickerson (USEPA), August 3, 2011, Re: Silver Lake Area Revised Final Removal Design/Removal Action Work Plan for Silver Lake Area (PDF) (580 pp, 43.4MB)
- Letter from Dickerson (USEPA) to Silfer (GE), May 31, 2011, Re: Conditional Approval of GE"s November 2010 Revised Final Removal Design/Removal Action Work Plan for Silver Lake Area (PDF) (13 pp, 3MB)
- Letter from Svirsky (USEPA) to Silfer (GE), July 9, 2010, Re: Conditional Approval of GE's Final Removal Design/Removal Action Work Plan for Silver Lake Area (PDF) (22 pp, 108K)
- Letter (with attachment) from Silfer (GE) to Svirsky (USEPA), March 3, 2010, Re: Addendum to the Final Removal Design/Removal Action Work Plan for Silver Lake Area (PDF) (5 pp, 248K)
- Letter (with enclosure) from Silfer (GE) to Svirsky (USEPA), January 29, 2010, Re: Silver Lake Area Final Removal Design/Removal Action Work Plan for Silver Lake Area (PDF) (371 pp, 42.8MB)
- Letter from Nalipinski (USEPA) to Silfer (GE), February 11, 2003, Conditional Approval of General Electric's (GE) Revised Pre-Design Investigation Work Plan for the Silver Lake Area (PDF) (2 pp, 92K)
- Letter with report from Silfer (GE) to Olson (USEPA), January 17, 2003, Revised Pre Design Investigation Work Plan for Silver Lake Area (PDF) (179 pp, 4.6MB)
- Letter from Nalipinski (USEPA) to Silfer (GE), November 21, 2002, Comments on GE's April 2002 Pre-Design lnvestigation Work Plan for the Silver Lake Area Removal Action (PDF) (6 pp, 337K)
- 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)
- Supplemental Phase II/RCRA Facility Investigation Report for Housatonic River and Silver Lake, Volume 2 of 2, Blasland, Bouck, & Lee, Inc. (Prepared for GE), January 1996. (PDF) (375 pp, 11.2MB)
Public Notice: Fish Tissue Results from Silver Lake in Pittsfield
- Silver Lake Fish Tissue Analytical Results Report (PDF) (56 pp, 138K)