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t. <br /> PRELTNINARY REPORT <br /> A. TEICHERT & SON, INC. V <br /> TRACY AGGREGATE PLANT lt' <br /> TRACY, CALIFORNIA Jul' <br /> 1 tq87 <br /> ENVIROMENTAL HEALTH <br /> Facility: A. Teichert b Son, Inc. PERMIT/SERVICES <br /> Tracy Aggregate Plant <br /> McArthur Blvd. and Lynne Rd. <br /> Tracy, California <br /> Owner: A. Teichert b Son i <br /> Mailing <br /> Address : Mr. Dan Barbar } <br /> A. Teichert & Son <br /> 3500 -American River Drive <br /> Sacramento, CA 95864 F <br /> Phone: (916) 386-6982 i <br /> Engineer : James J. Elder <br /> L.B.M.E. Corp. <br /> 3814 Auburn Blvd. #62 <br /> Sacramento, CA 95821 <br /> Phone: (916) 972-8291 <br /> SITUATION <br /> On March 12, 1987, A. Teichert and Son, with permit issued <br /> by San Joaquin County, removed three small gasoline storage tanks <br /> located Just south of the maintenance building as shown on the <br /> site plan. <br /> Soil tests were taken and analyzed. Results indicate <br /> contamination in the bottom of the tank hole. Results are <br /> r attached. <br /> On May 11, 1987, four backhoe trenches, located about 15 ' <br /> From the tank hole, were excavated to a depth of 18+ feet. <br /> Trench No. 1 was in the tank hole. The soil was contaminated <br /> with hydrocarbons to the full depth; therefore, no TPH nor BTS <br /> was run on the sample, but it was analyzed for lead at 1. 9 4 <br /> Mg/Kg . In addition, a clean sample (L51631) from trench No. 4 t <br /> was run for background lead at 5. 1 Mg/Kg, TPH, and BTS. Sample f <br /> was not contaminated. Lab results are attached. <br /> Excavated material was checked in the field with a Gas Tech ` <br /> Surveyor for TPH. Only the material from the tank hole indicated <br /> contamination. <br /> r <br /> -� i <br />