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431 West Hatch Road Telephone <br /> Modesto , CA 95351 209-524-9653 <br /> S E M C O <br /> James C. Bateman Petroleum Services Inc . <br /> General Engineering Building Contractor <br /> License No . 449864 A, B, C-61 <br /> February 7, 1989 <br /> Mr . Jaime Favila R.S. <br /> San Joaquin Local Health District '!a <br /> Environmental Health Division <br /> 1601 East Hazelton Ave. <br /> Stockton, CA 95201 k <br /> RE: TRACY MAINTENANCE STATION -CAL TRANS <br /> Dear Jaime, <br /> On April 11 , 1988, SEMCO removed one ( 1 ) 550 gallon <br /> underground storage tank containing waste oil . California <br /> Water Labs was requested in writing to perform the following <br /> analysis: <br /> 1 . TPH-8015 Modified O K <br /> 2. BTX-8020 0IC <br /> `%v Chlorinated Solvents- V-nl$5in7G <br /> PCB- rnisr>10G <br /> The laboratory either failed to run the sample for the <br /> requested items or misplaced the data. <br /> At your request we are coordinating a re-sample of that site <br /> to obtain soil to retest for those missing items. We plan to <br /> use a hollow stem auger to obtain a sample by boring at the <br /> original tank location. We will use a properly licensed <br /> drilling contractor and California Water Labs will conduct <br /> the necessary tests. Upon approval , we will notify your <br /> office (with a minimum of 48 hours notice) prior to <br /> performing the work . <br /> It is our intention to assist in closing this matter as soon <br /> as possible. If there is any further question please call . <br /> Thank you for your assistance. <br /> Sincerely Yours, <br /> SEM,CO <br /> �� t')Xhl Au� <br /> Richard C. Hamilton <br /> Vice President <br /> cc : Charles Brown, UST Coordinator Cal-Trans District 10 <br />