Technical and Legal Documents: USS Lead

These are some of the key technical and legal documents. More documents are included in the Administrative Record.

• Remedial Design/Remedial Action Work Plan - OU1 Modified Zone 1 (PDF) (59 pp, 2.99 MB) Dec. 2022
• Finalized ESD: Second Explanation of Significant Differences for Zone 1 (PDF) (13 pp, 8.41 MB) Sep. 2022
• Responsiveness Summary - Prospective Purchaser Agreement, Administrative Settlement Agreement Order on Consent, And Proposed Explanation of Significant Differences (PDF) (22 pp, 202.42 KB) Aug. 2022
• U.S. EPA Letter Re: Comments To Remedial Investigation Report, Revised(50 pp, 1.91 MB)
• Proposed ASAOC: Administrative Settlement Agreement and Order on Consent for Payment of Certain Operable Unit 1 Response Costs and for Providing Financial Assurance Associated with Prospective Purchaser Agreement for Remedial Design and Remedial Action at Modified Zone 1 (PDF) (59 pp, 5.59 MB)
• Proposed PPA: Administrative Settlement Agreement for Remedial Action By Prospective Purchaser (PDF) (75 pp, 4.72 MB)
• Draft ESD: Second Explanation Of Significant Differences - USS Lead Superfund Site Zone 1 - Draft For Public Comment Purposes (PDF)(13 pp, 802.45 KB)
• Revised Remedial Investigation Report, USS Lead Superfund Site, Operable Unit 2(818 pp, 51.7 MB Oct. 2021
• First Five-Year Review Report for USS Lead Superfund Site (818 pp, 51.7 MB) Oct. 2021
• US EPA Fields Group - Report On Calculation Of 95% UCL Action Levels From USS Zone 1 Replicates (PDF) (9pp, 1.73MB, About PDF)
• Hull - Work Plan For Decision Unit Oil Sampling (PDF)(71 pp, 2.8MB, About PDF)
• Hull - Decision Unit Sampling Soil Data Package For USS Lead Operable Unit 1, Zone 1 (PDF)(5656pp, 143.02MB, About PDF)
• EPA Letter RE: Comments on the January 2020 Remedial Investigation Report - Administrative Settlement Agreement and Order on Consent - V-W-17-C-013 (PDF) (26 pp,550 K, About PDF)
• Record of Decision Amendment for the USS Lead Superfund Site Zone (PDF)(94 pp, 2.1MB, About PDF)
• Unilateral Administrative Order For Remedial Action For Defined Properties In Operable Unit 1 - Docket No. V-W-19-C-006 (PDF) (187 pp, 19.4 MB)
• Explanation of Significant Differences (PDF)(167 pp,2.9MB, About PDF)
• Unilateral Administrative Order (UAO) for Interior Remedial Actions in Zone 2 or Operable Unit 1 DOCKET NO. V-W-18-C-005 (PDF) (375 pp, 13.4 MB) Jan. 2018
• Unilateral Administrative Order (UAO) for Interior Removal Actions in Zone 2 & Zone 3 of Operable Unit 1 DOCKET NO. V-W-18-C-006 (PDF) (500 pp, 20.73 MB) Jan. 2018
• Unilateral Administrative Order for Remedial Action in Zone 2 of Operable Unit 1 - Docket No. V-W-18-C-001 (PDF) (196pp, 6.0 MB)
• Unilateral Administrative Order (UAO) for Interior Removal Actions in Zone 2 and Zone 3 of Operable Unit 1 -Cocket No. V-W-18-C-002 PDF) (174pp, 13.0 MB)
• Proposed Explanation of Significant Differences (ESD) (PDF) (46 pp, 1.5 MB) Dec. 2017
• Administrative Settlement Agreement and Order on Consent for Remedial Investigation/Feasibility Study of Operable Unit 2 - CERCLA DOCKET NO. V-W-17-C-013 (PDF) (108 pp, 2.77 MB) Sept. 2017
• EPA Administrative Settlement Agreement and Order on Consent for Removal Actions in Zones 2 and 3 of Operable Unit 1 w/ Appendices [ZIP FILE] (1 pg, 54 MB) March 2017
• Final Sampling and Analysis Plan for Zones 2 & 3 - Residential Inspection (PDF) (170 pp, 4.77 MB) March 2017
• Consent Decree Relating to Response Actions & Response Costs in Zones 1 & 3 of Operable Unit 1 - Civil Action No. 2:14-CV-312 (with Appendices A-E) (PDF) (293 pp, 5.61 MB) Sept. 2017
• Record of Decision (signed)(PDF) (81 pp, 7.7 MB) Nov. 2012
• Redacted Remedial Investigation Report (PDF) (210 pp, 13.5 MB) June 2012
• Community Involvement Plan (PDF) (25 pp, 6.3 MB) April 2012
• ATSDR - Public Health Assessment (PDF) (24 pp, 4.7 MB) Jan. 2011
• Letter Re: Remedial Investigation/Feasibility Study Oversight (PDF) (18 pp, 192 K)
• Statement of Work for RI/FS (PDF) (16 pp, 848 K) Jun. 2009
• Hazard Ranking System Documentation Record (PDF) (50 pp, 1.5 MB) Sept. 2008
• NPL Narrative (PDF) (1 pg, 104 K) Sept. 2008
• EPA Action Memo Re: Request to Conduct a Time-Critical Removal Action at Residential Portion of USS Lead Site (PDF) (16 pp, 517 K) Jan. 2008