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B R 0 W N A N D <br /> C A L D W E L L <br /> March 4, 1998 <br /> Mr Ronald Rowe <br /> San Joaquin County Public Health Services <br /> Environmental Health Division V <br /> 304 Webster Avenue <br /> Post Office Box 388 C1 <br /> Stockton, Califonua 95201-0388 017-6271-01/1 b <br /> Subject Work Plan for Installation of Groundwater Monitoring Wells, <br /> T&T Trucking, 11396 North Highway 99, Lodi, California �� y <br /> Dear Mr Rowe <br /> On behalf of T&T Trucking, Brown and Caldwell B i t' <br /> ( C) is submitting this work plan for �� � <br /> drilling and construction of three groundwater monitoring wells at the subject site (Figure 1) % <br /> The objective of this work plan 1s to dnll, sample, and convert three borings into groundwater 40gyp. <br /> monitoring wells The purpose of the groundwater monitoring wells is to determine the <br /> lateral extent of petroleum hydrocarbons in groundwater and the direction and gradient of <br /> . groundwater flow beneath the subject site Upon review and written approval from the San <br /> Joaquin County Public Health Services Environmental Health Division (County), this work plan <br /> w!11 be submitted to the UST Cleanup Fund (Fund) for pre-approval Upon pre-approval from <br /> the Fund, work will commence <br /> The following describes the site background, scope of work, and time completion for a <br /> summary letter of the results of this work <br /> Site Background <br /> A former 4,000 gallon underground storage (UST) was located approximately 50 feet west of <br /> the office building (Figure 1) Past inventory records reveal no fuel loss up to and including <br /> February 17, 1995 On February 20, 1995, a 970 gallon release was detected during inventory <br /> monitoring The remaining fuel was removed from the UST the same day as the release <br /> The UST was removed by Johnson Petroleum Construction on March 29, 1995 Two soil <br /> samples were collected from the bottom of the UST cavity by Wallace Kuhl & Associates <br /> This report uas prepared in accordance with the standards of the environmental consulting industry at the time it was <br /> prepared It should not be relied upon by parties other than those for whom it was prepared, and then only to the <br /> extent of the scope of work which was authori_ed This report does not guarantee that no additional environmental <br /> contamination beyond that described in this report exists at the site <br /> • MELIGEN1627hWRKPLN DOC <br /> Environmental Engineering And Consulting Analytical Services <br /> 9616 MICRON A%ENUE, SUITE 600 SACR, MLNT0, CA 95827 2627 <br /> (916) 444 0123 FAX (916) 856 5277 <br />