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BROWN AND <br /> • <br /> C A L D W E L LP1112 4o <br /> 1 rE 'i <br /> June 24, 1999 <br /> Mr Ronald Rowe <br /> San�oaquyn County Pubic Health Services <br /> Environmental Health Division <br /> 304 Webster Avenue <br /> Post Office Box 388 <br /> Stockton,California 95201-0388 017-16271-001/1 <br /> Subject Work Plan for the former Diesel UST Soil Investigation, and Summary of <br /> Stockpile Sample Analyses,T&T Trucking, 11396 North Highway 99, <br /> Lodi,California <br /> Dear Mr Rowe <br /> On behalf of T&T Trucking, Brown and Caldwell (BC) is subrxuttuig this work plan for the <br /> installation of three boreholes and collection of soil samples around the former diesel <br /> underground tank area Approval of tins work plan is reF'opnnipacted <br /> edby the San Joaquin County Pubic <br /> Health Services, Environmental Health Division (County to these activities.The purpose <br /> of these bonnygs and samples is to delineate the hydrocar soil around the former <br /> excavation and to acquire a "no further action" letter from your Department This field activity <br /> • was a condition for your approval to backfill the excavation during your May 28, 1999,telephone <br /> conversation with Mr Terry Tardin <br /> Also included in this letter are results of the over excavation stockpile soil samples that were <br /> collected on May 21, 1999 <br /> Scope of Work <br /> Brown and Caldwell will supervise the drilling of three soil borings and collect one soil sample <br /> from each bone& Theproposed depth, proposed analyses and EPA approved laboratory <br /> method is presented below for each sample The locations for each borehole are presented in <br /> Figure 1 <br /> Borehole Proposed TD Sample Proposed EPA <br /> No. feet D I Anal ses Method <br /> B-i 16 155-161) TPH-d 8015M <br /> BTEX 8260B <br /> MTBE 8260B <br /> B-2 16 15 5-16 0 TPH-d 8015M <br /> BTEX 8260B <br /> MTBE 8260E <br /> B-3 16 15 5-16 0 TPH-d 8015M <br /> BTEX 8260B <br /> MTBE 8260B <br /> BCSACOI\P\16000\16271\BHWPd« <br /> Environmental Engineering And Consulting Analytical Services <br /> 9616 MICRON AVENUE SUITE 600, SACRAMENTO CA 95827 2627 <br /> (916) 444 0123 FAX (916) 856 5277 <br />