US EPA Superfund Task Force: Superfund Sites Targeted for Immediate, Intense Action - July 31, 2018
Site
EPA
Region
City or
County
State
NPL
Issue/Upcoming Milestone
Mohawk Tannery
1
Nashua
New
Hampshire
P
Currently working on the Engineering Evaluation and Cost Analysis. Plan
to have a proposed remedy out for public comment in early Summer
2018. Plan was issued on July 9, 2018. Finalize Non-Time Critical Removal
Action Memo by end of the 2018 fiscal year. Currently negotiating a
redevelopment agreement with a Prospective Purchaser.
Diamond Alkali Co.
(aka Upper Lower
Passaic) +
2
Newark
New Jersey
F
Finalize the Remedial Investigation and consider taking early actions.
L. A. Clarke & Son
3
Spotsylvania
Virginia
F
Resolved disputed issues with potentially responsible parties. PRPs have
conducted initial sampling and the following milestones need to be
achieved:
-Implementation of creosote/dense non-aqueous phase liquid source
removal action.
-Complete groundwater monitoring work and issue report.
-Complete Human Health Risk Assessment.
-Complete Final Screening Level Ecological Risk Assessment.
U.S. Smelter and
Lead Refinery, Inc.
(aka USS Lead or East
Chicago)
5
East Chicago
Indiana
F
Sign Explanation of Significant Difference for Operable Unit 1 (Zones 2
and 3). In Operable Unit 1-Zone 1 land use decision, issue Proposed Plan
to public for comment in Summer 2018. In Operable Unit 1-Zone 2
1
7/31/2018

-------
US EPA Superfund Task Force: Superfund Sites Targeted for Immediate, Intense Action - July 31, 2018
Site
EPA
Region
City or
County
State
NPL
Issue/Upcoming Milestone





complete all soil remediation in early 2021. In Operable Unit 1 -Zone 3
complete all soil remediation in Fall 2018.
St. Regis Paper Co. *
5
Cass Lake
Minnesota
F
Determine standard for proposed remedial action. Sign Record of
Decision for residential soil cleanup.
Tar Creek (Ottawa
County)
6
Ottawa
County
Oklahoma
F
Identify and evaluate opportunities for interim milestones and
accelerating cleanup. Develop and institute a short-term and long-term
strategy with the U.S. Department of the Interior Bureau of Indian Affairs
and the Quapaw Tribe of Oklahoma to implement institutional controls
to protect cleanup and ensure long-term stewardship.
Des Moines TCE (aka
Dico Company)
7
Des Moines
Iowa
F
Complete settlement agreement to support cleanup and redevelopment.
West Lake Landfill
7
Bridgeton
Missouri
F
Complete the public comment process and issue a signed Record of
Decision Amendment by the end of the Fiscal Year 2018.
Bonita Peak Mining
District
8
San Juan
County
Colorado
F
Issue remediation plan with short-term and long-term objectives.
2
7/31/2018

-------
US EPA Superfund Task Force: Superfund Sites Targeted for Immediate, Intense Action - July 31, 2018
Site
EPA
Region
City or
County
State
NPL
Issue/Upcoming Milestone
Anaconda Co.
Smelter
8
Anaconda
Montana
F
Complete negotiations for implementation of early actions to address
human health exposure, followed by site-wide work.
Silver Bow
Creek/Butte Area
8
Butte
Montana
F
Memorialize recent Agreement in Principle in a Consent Decree.
Orange Countv North
Basin
9
Fullerton
California
P
Basin-wide groundwater cleanup needed quickly to protect drinking
water for millions of residents. Complete public comment process and
make final NPL listing decision.
Portland Harbor +
10
Portland
Oregon
F
Negotiate agreements with additional Potentially Responsible Parties to
conduct sampling to support remedial design by the end of the calendar
year.
Quendall Terminal
10
Renton
Washington
F
Complete the upland pilot study to inform the evaluation of the
preferred alternative and issue the Proposed Plan for public comment by
end of fiscal year 2018.
* Acting Administrator Andrew Wheeler is recused from these sites. All decisions, engagement, and involvement at these sites will be made by Associate Deputy
Administrator and Chief of Operations Henry Darwin.
+ Peter Wright, Special Counsel to the Administrator, is recused from these sites.
3
7/31/2018

-------
NPL Status Codes
P = Proposed to the NPL
F = Final on the NPL
4
7/31/2018

-------