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URS <br /> Mr. Johnny Yoakum <br /> San Joaquin Environmental Health Department <br /> February 21, 2012 <br /> Page 3 <br /> (DRO)by EPA Method 8015M,benzene, toluene, ethylbenzene,and xylenes(BTEX)and fuel oxygenates <br /> by EPA Method 8260. Soil and groundwater samples collected from the OWS and septic system will be <br /> analyzed by GRO,DRO, and volatile organic compounds (VOCs)by EPA method 8260. The sample <br /> regime is summarized in the table below. <br /> Sample Area TPH-GRO TPH- VOCs BTEX and Lead <br /> (Method DRO/ORO (Method fuel (Method <br /> 8260B) (Method 826013) oxygenates 8270) <br /> 8015M) (Method <br /> 826013 <br /> Former USTs x x x x(on sample <br /> with highest <br /> TPH result <br /> OWS x x x <br /> Septic System x x x <br /> PERMITTING <br /> The SMCEH/D requires an approved soil and groundwater investigation workplan and a permit for the <br /> drilling of soil borings. Following the receipt of a workplan approval letter from the agency, URS will <br /> conduct field activities according to the scope of work presented in this work plan. <br /> PROJECT HEALTH AND SAFETY <br /> A site-specific health and safety plan (HASP) will be prepared and available on site during field activities. <br /> The plan will be reviewed by URS field personnel and subcontractor staffs before the start of field <br /> activities. <br /> WASTE DISPOSAL <br /> Soil cuttings and wastewater generated during the drilling activities will be placed in 55-gallon steel <br /> drums pending disposal. Following receipt of analytical results, the waste drums will be transported to an <br /> approved facility for disposal. <br />