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Peoples Natural Gas Superfund Site - Superfund Administrative Record File Documents

Dubuque, Iowa (Operable Unit 1) – Administrative Record File No. 62625

Document Title Document Identification No. Document Date
Introduction and Index for Administrative Record #62625 (PDF) (9 pp, 146K, About PDF) 000030246276 1/1/1111 (undated)
Final Introduction and Index for Administrative Record #62625 (PDF) (11 pp, 143K, About PDF) 000030244028 1/1/1111 (undated)
Letter regarding the review of the Technical Impracticability Evaluation Report, dated November 2005 (PDF) (1 pg, 31K, About PDF) 000040242519 12/23/2005
Email containing comments on the Technical Impracticability (TI) Report (PDF) (1 pg, 29K, About PDF) 000040328795 3/2/2006
Letter transmitting comments on the Technical Impracticability Evaluation Report, dated November 2005 (PDF) (5 pp, 104K, About PDF) 000040242523 3/8/2006
Letter containing the Petition for Technical Impracticability Waiver (PDF) (4 pp, 148K, About PDF) 000030019383 12/1/2006
Letter containing comments on the Petition for Technical Impracticability Waiver (PDF) (2 pp, 73K, About PDF) 000030019382 1/8/2007
Letter transmitting the Additional Evaluation of the Western Extent of the Proposed Technical Impracticability Zone (PDF) (54 pp, 2.05MB, About PDF) 000040273452 9/6/2007
Technical Memorandum regarding detailed analysis and comparison of Remedial Action Alternatives (PDF) (25 pp, 445K, About PDF) 000030246623 4/9/2009
Letter containing the Work Plan for the Stable Isotope Probing Bio-Trap Study using EAS (PDF) (26 pp, 1.70MB, About PDF) 000040335262 6/9/2010
Letter approving the Work Plan for the Stable Isotope Probing Bio-Trap Study, dated 6/9/2010 (PDF) (1 pg, 25K, About PDF) 000040335260 7/1/2010
Letter containing the 2010 Annual Report (PDF) (140 pp, 7.85MB, About PDF) 000040344279 2/8/2011
Letter transmitting the Work Plan for Additional Delineation and Preliminary Remedial Design (PDF) (10 pp, 620K, About PDF) 000040348447 5/20/2011
Letter regarding the review of the Work Plan for Additional Delineation and Preliminary Design, dated 5/20/2011 (PDF) (1 pg, 32K, About PDF) 000040348392 6/3/2011
Letter proposing modifications to the groundwater monitoring program at the site and transmitting tables and figures related to the proposal (PDF) (6 pp, 325K, About PDF) 000040352546 8/31/2011
Letter regarding the proposed modifications to the groundwater monitoring program at the site in a letter of 8/31/2011 (PDF) (2 pp, 77K, About PDF) 000040352724 9/15/2011
Letter regarding the Pilot Test Plan (PDF) (6 pp, 311K, About PDF) 000040353424 9/29/2011
Letter approving the Pilot Test Plan, dated 9/29/2011 (PDF) (1 pg, 27K, About PDF) 000040353470 10/6/2011
Letter transmitting the laboratory analytical reports for groundwater samples collected during November-December 2011 aquifer testing (PDF) (69 pp, 2.12MB, About PDF) 000040359760 12/28/2011
Letter transmitting the 2011 Annual Report (PDF) (104 pp, 8.24MB, About PDF) 000040370421 2/6/2012
Letter regarding the Petition for Technical Impracticability Waiver (PDF) (3 pp, 93K, About PDF) 000040383161 4/13/2012
Letter transmitting the Amendment to the May 2006 Technical Inpracticability Evaluation Report (PDF) (105 pp, 9.12MB, About PDF) 000030246624 5/15/2012
Email transmitting the Revised TI Zone Figure 17 (PDF) (2 pp, 41K, About PDF) 000030246092 7/19/2012
Technical Memorandum Addendum to the April 9, 2009 Technical Memorandum regarding Detailed Analysis of Hydraulic Containment Remedial Strategy (PDF) (11 pp, 834K, About PDF) 000030284039 7/30/2012
Email regarding comments on the TI Evaluation Report and Addendum (PDF) (2 pp, 30K, About PDF) 000030246093 7/31/2012
Email regarding review of the TI Evaluation Report and comments on the Proposed Plan (PDF) (2 pp, 30K, About PDF) 000030284046 7/31/2012
Memorandum transmitting the Underground Injection Control Rule Authorization Request (PDF) (20 pp, 2.32MB, About PDF) 000040397926 8/20/2012
Email regarding possible addition of PAHs to monitoring list (PDF) (1 pg, 24K, About PDF) 000030284045 8/28/2012
Memorandum regarding Screening Level Assessment of Risk from Groundwater (PDF) (6 pp, 309K, About PDF) 000030284038 9/20/2012
Email regarding and transmitting Cost Estimates (PDF) (7 pp, 427K, About PDF) 000030284036 10/2/2012
Memorandum regarding Evaluation of Potential Human Health Risks via the Groundwater to Indoor Air Vapor Intrusion Pathway (PDF) (6 pp, 168K, About PDF) 000030284041 10/19/2012
Email transmitting Chemical-Specific Applicable or Relevant and Appropriate Requirements (ARARs) (PDF) (11 pp, 139K, About PDF) 000030284043 11/2/2012
Email transmitting TestAmerica's current reporting limits for the 8270 SIM and 8310 Methods (PDF) (3 pp, 40K, About PDF) 000030284044 11/20/2012
Letter transmitting the 2012 Annual Report (PDF) (170 pp, 13.11MB, About PDF) 000030284050 1/25/2013
Email regarding input on the restriction radius for the National Priorities List (PDF) (1 pg, 22K, About PDF) 000030284047 2/27/2013
Email transmitting Phase I Source Reports (PDF) (19 pp, 1.62MB, About PDF) 000030284049 3/11/2013
Letter regarding comments on the Draft Proposed Plan (PDF) (1 pg, 23K, About PDF) 000030284051 3/26/2013
Email regarding Dubuque-Proposed Ordinance Areas and transmitting the Proposed Water Well Map (PDF) (2 pp, 253K, About PDF) 000030246096 5/1/2013
Email transmitting the Updated Conceptual Model Cross Section (PDF) (2 pp, 74K, About PDF) 000030246095 5/15/2013
Email transmitting the Revised Summary of Detailed Analysis of Remedial Alternatives for Groundwater Tables (PDF) (4 pp, 105K, About PDF) 000030246094 5/28/2013
Proposed Plan (PDF) (34 pp, 1.63MB, About PDF) 000030284858 6/1/2013
Email containing public comments on the Proposed Plan (PDF) (1 pg, 23K, About PDF) 000030213189 7/3/2013
Transcript of public meeting for the Proposed Plan, held on 7/8/2013 (PDF) (30 pp, 300K, About PDF) 000030213188 7/12/2013
Fact Sheet for public meeting and public comment period on the Proposed Plan (PDF) (2 pp, 44K, About PDF) 000030244027 9/1/2013
Letter regarding public comments received during the public comment period on the Amendment to the Record of Decision (ROD) (PDF) (1 pg, 24K, About PDF) 000030244026 9/6/2013
Amendment to the Record of Decision (ROD) (PDF) (71 pp, 2.28MB, About PDF) 000030285022 9/25/2013

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