SITE INFORMATION AND CORRESPONDENCE

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MAR-05-2002 TUE 03:05 PM ACOMICKELSON ENV FAX N0, 91*570 P, 02 Hwwn and Caldwell Consultants I 3480&ukilk Avenue Pkresanl Hol CA 045234342 ` OQ Bax 8045 Walnut C1eek,CA 945964220 915)937.0010 FAX 015)937.9026 February 6, 1991 Mr. Robert Evans Central Valley Region Regional Water (duality control Board 3443 Routier Road, Suite A Sacramento, California 95827-3098 11-2092-08/1 Subject: Copy of Work Plan Submitted to San Joaquin County for Destruction of Well BCS at Former Georgia-Pacific Site in Tracy, California Dear Mr. Evans: As per our telephono conversation today, enclosed is a copy of the work plan and permit application letter submitted to Mr. Ray Borges of San Joaquin County covering the proposed destruction of former monitoring Well BC8 at the former Georgia-Pacific Corporations Tracy, California, facility. The letter includes a site map indicating the well location and a copy of the log for Well BCS. As 7 indicated during our conversation, the well has not been used as a monitoring location since December 1988 and it was damaged sometime shortly before September 1990. Since it was relocated and excavated in September 1990, measure- ments (November 1990 and January 1991) indicate the well is dry to its total depth of. 40.5 feet. Attached to the work plan and permit application is a November 2, 1990, letter from Georgia- Pacific to Ms. Pat Leary of the Regional Water Quality Control Board indicating Georgia-Pacific's intention to have the damaged well destroyed. In accordance with San Joaquin County requirements, we will use a licensed drilling contractor who has worked previously in the county. That contractor is Glenn Martell and Son, znc. , of Pittsburg, California. Besides experience in San Joaquin County, they are already familiar with Tracy site having constructed the two extraction wells which have been used for groundwater remediation.