| Introduction and Partial Index for Administrative Record #62657 (PDF) (11 pp, 143K, About PDF) |
000030246066 |
1/1/1111 (undated) |
|
Final Index for Administrative Record #62657 (PDF) (11 pp, 149K, About PDF) |
000030285050 |
1/1/1111 (undated) |
| Signature page for the Work Plan and Field Sampling Plan Addendum [REDACTED] (PDF) (1 pg, 44K, About PDF) |
000030284363 |
1/1/1111 (undated) |
| Signature page for the Revised Final Quality Assurance Project Plan Remedial Investigation/Feasibility Study [REDACTED] (PDF) (1 pg, 44K, About PDF) |
000030284365 |
1/1/1111 (undated) |
| Letter regarding and transmitting the Approval of the Final Work Plan, Remedial Investigation/Feasibility Study, dated May 2009 [REDACTED] (PDF) (4 pp, 150K, About PDF) |
000030284366 |
6/18/2009 |
| Letter transmitting the Revised Final Remedial Investigation/Feasibility Study (RI/FS) Work Plan [REDACTED] (PDF) (682 pp, 21.7MB, About PDF) |
000030284374 |
7/8/2009 |
| Remedial Investigation/Feasibility Study (RI/FS) Work Plan Addendum [REDACTED] (PDF) (15 pp, 1.3MB, About PDF) |
000030284367 |
2/23/2010 |
| Email regarding approval of Work Plan Addendum and Quality Assurance Project Plan (QAPP) Addendum and permission to mobilize for drilling [REDACTED] (PDF) (3 pp, 61K, About PDF) |
000030284361 |
4/1/2010 |
| Email transmitting the signed City of Hastings Access Agreement [REDACTED] (PDF) (9 pp, 971K, About PDF) |
000030284368 |
5/12/2010 |
| Letter transmitting Final Sampling and Analysis Plan (SAP) and Final Site Management Plan (SMP) for the Remedial Design (RD), October 2010 [REDACTED] (PDF) (675 pp, 17.4MB, About PDF) |
000030284360 |
10/13/2010 |
| Declaration of Environmental Protection Easement (PDF) (7 pp, 290K, About PDF) |
000030246049 |
10/14/2010 |
| Signature page for the Sampling and Analysis Remedial Design [REDACTED] (PDF) (1 pg, 82K, About PDF) |
000030284369 |
10/20/2010 |
| Letter transmitting the Final Remedial Investigation (RI) Report, Volume 1 - April 2011 - Part 1 of 5 [REDACTED] (PDF) (1,174 pp, 80.0MB, About PDF) |
000030284379 |
4/8/2011 |
| Letter transmitting the Final Remedial Investigation (RI) Report, Volume 1 - April 2011 - Part 2 of 5 [REDACTED] (PDF) (935 pp, 21.8MB, About PDF) |
000030284930 |
4/8/2011 |
| Letter transmitting the Final Remedial Investigation (RI) Report, Volume 1 - April 2011 - Part 3 of 5 [REDACTED] (PDF) (1,050 pp, 19.5MB, About PDF) |
000030284931 |
4/8/2011 |
| Letter transmitting the Final Remedial Investigation (RI) Report, Volume 2 - April 2011 - Part 4 of 5 [REDACTED] (PDF) (3,033 pp, 39.6MB, About PDF) |
000030284380 |
4/8/2011 |
| Letter transmitting the Final Remedial Investigation (RI) Report, Volume 2 - April 2011 - Part 5 of 5 [REDACTED] (PDF) (1,830 pp, 59.3MB, About PDF) |
000030284932 |
4/8/2011 |
| Letter transmitting Comments on the Revised Draft Remedial Investigation Report (PDF) (3 pp, 129K, About PDF) |
000040351344 |
5/13/2011 |
| Letter transmitting the Summary of Repairs to Soil Vapor Extraction and Groundwater Recovery Systems [REDACTED] (PDF) (19 pp, 1.1MB, About PDF) |
000030284372 |
7/15/2011 |
| Letter regarding the review of the Final Remedial Investigation Report, dated April 2011 [REDACTED] (PDF) (1 pg, 36K, About PDF) |
000030284370 |
8/23/2011 |
| Letter transmitting the Final Remedial Design Field Investigation Report [REDACTED] (PDF) (843 pp, 22.4MB, About PDF) |
000030284364 |
8/24/2011 |
| Revised Final Basis of Design, September 2011 (PDF) (206 pp, 15.9MB, About PDF) |
000040384541 |
9/1/2011 |
| Memorandum Approving the Remedial Design (RD) Document (PDF) (1 pg, 40K, About PDF) |
000040353264 |
9/30/2011 |
| Letter transmitting the Revised Final Basis of Design Report, September 2011 [REDACTED] (PDF) (209 pp, 11.0MB, About PDF) |
000030284371 |
9/30/2011 |
| Letter transmitting the Semiannual Groundwater Sampling Report - Part 1 of 4 [REDACTED] (PDF) (34 pp, 5.6MB, About PDF) |
000030284377 |
1/6/2012 |
| Letter transmitting the Semiannual Groundwater Sampling Report - Part 2 of 4 [REDACTED] (PDF) (456 pp, 39.8MB, About PDF) |
000030216104 |
1/6/2012 |
| Letter transmitting the Semiannual Groundwater Sampling Report - Part 3 of 4 [REDACTED] (PDF) (183 pp, 18.1MB, About PDF) |
000030216105 |
1/6/2012 |
| Letter transmitting the Semiannual Groundwater Sampling Report - Part 4 of 4 [REDACTED] (PDF) (359 pp, 9.8MB, About PDF) |
000030216106 |
1/6/2012 |
| Letter transmitting the Semiannual Groundwater Sampling Report, December 2011 and March 2012 Sampling Events [REDACTED] (PDF) (509 pp, 29.7MB, About PDF) |
000030284378 |
6/12/2012 |
| Letter transmitting the Groundwater Flowing Modeling Technical Memorandum [REDACTED] (PDF) (78 pp, 4.9MB, About PDF) |
000030284376 |
7/2/2012 |
| Email transmitting Cancer Risk Tables and Non-Cancer Hazard Tables [REDACTED] (PDF) (30 pp, 800K, About PDF) |
000030284384 |
7/19/2012 |
| Letter transmitting the Revised Final Feasibility Study (FS) Report and EPA comments [REDACTED] (PDF) (687 pp, 20.8MB, About PDF) |
000030284362 |
8/3/2012 |
| Email regarding comments on the Revised Final Feasibility Study (PDF) (1 pg, 29K, About PDF) |
000030246047 |
8/9/2012 |
| Letter regarding approval of the August 2012 Revised Final Feasibility Study (w/o attachment) [REDACTED] (PDF) (1 pg, 32K, About PDF) |
000030284373 |
8/16/2012 |
| Letter regarding the Draft Proposed Plan and the recent consensus reached regarding the remedial alternatives, and requesting concurrence with the approach outlined in letter (PDF) (2 pp, 46K, About PDF) |
000040417388 |
4/23/2013 |
| Letter responding to a letter of 4/23/12 requesting concurrence with the Supplemental Feasibility Study (FS) and Proposed Plan (PP) (PDF) (1 pg, 37K, About PDF) |
000040418278 |
5/2/2013 |
| Letter transmitting the Semiannual Groundwater Sampling Report, March 2013 Sampling Event [REDACTED] (PDF) (140 pp, 8.0MB, About PDF) |
000030246097 |
6/21/2013 |
| Fact Sheet for the public comment period and public meeting on the Proposed Plan for Interim Action Remedy (PDF) (2 pp, 49K, About PDF) |
000030284381 |
7/1/2013 |
| Letter regarding concurrence of Revised Proposed Plan for Interim Action Remedy and support of proposal to conduct a supplemental feasibility study (PDF) (1 pg, 36K, About PDF) |
000030284869 |
7/3/2013 |
| Proposed Plan for the Interim Remedy (PDF) (30 pp, 1.6MB, About PDF) |
000030284375 |
7/19/2013 |
| Transcript of public meeting for the Proposed Plan, held on 8/8/2013 (PDF) (68 pp, 826K, About PDF) |
000030285000 |
8/8/2013 |
| Certification regarding inaccuracy of transcript of public meeting for the Proposed Plan, held on 8/8/2013 (PDF)
(1 pg, 17K, About PDF) |
000030285008 |
9/24/2013 |
| Revised Table B.4 regarding revisions to derive an indoor air concentration representing upper limit of acceptable risk for future resident (PDF) (1 pg, 140K, About PDF) |
000030285016 |
9/27/2013 |
| Interim Record of Decision (ROD) (PDF) (118 pp, 11.7MB, About PDF) |
000030285019 |
9/30/2013 |
![[logo] US EPA](../gif/logo_epaseal.gif){kind=logo}
