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UNITED STATES ENVIRONMENTAL PROTECTION AGENCY

REGION I

J.F. KENNEDY FEDERAL BUILDING, BOSTON, MASSACHUSETTS 02203-2211

CERTIFIED MAIL: RETURN RECEIPT REQUESTED

August s , 1992

Commander [DERP FUDS] US Army Corps of Engineers 424 Trapelo Road Waltham, Massachusetts 02254

Re: Holton Circle Superfund Site in Londonderry, New Hampshire Proposed Cleanup Plan

Dear Sir/Madam:

The United States Environmental Protection Agency (EPA) has information indicating that the United States Department .o! Defense (DOD) owned land which may be located above the . contaminated groundwater plume at the Holton Circle Superfund Site (the Site). Due to your potential interest in the Site, by this letter EPA encourages you to fully participate in the remedyselection process for this Site.

Because the DOD may have an interest in the Site, EPA is enclosing for your review a copy of the Proposed Plan f.or the remedy at the Site. The Proposed Plan describes the Site, EPA's preferred remedy, and the ways in which the DOD and the interested public may participate in the remedy selection process.

EPA encourages the DOD to remain fully aware of the proposed cleanup activities at the Site. In particular, we encourage the DOD to review the Proposed Plan and the Administrative Record for the Site, and to comment on these documents during the ongoing public comment period. Note that the public comment period has been extended from July 30,· 1992 to August 31, 1992.

Thank you for your attention to this very important matter.

Sincerely,

~A.. -Js+-lL__ M~'-Hohman, Director Waste Management Division

Enclosure

cc: ~ndrew Raubvog 1, EPA Office of Regional counsel VJames H. Di Lorenzo, EPA Remedial Project Manager

Bruce Marshall, Chief, Superfund En forcement support Section James Z ppi ri, NH Department of Envi ronmental Services