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4) Analyses of oxygenates for both water and soil samples will be done using <br /> EPA Method 8260. <br /> 5) PHS/EHD recommends the use of flame-ionization detector (FID) as the field <br /> OVM device due to suspected high diesel contamination. <br /> 6) Collect groundwater samples from all MWs and analyze for TPH-d, TPH-g, <br /> BTEX, and oxygenates after soil borings are converted to MWs but not <br /> sooner than 12 hours. <br /> i <br /> 7) Soil cuttings from drilling must be collected, stored, protected from leaching, <br /> and eventually properly disposed. <br /> If you have any questions, please feel free to contact Jeffrey Wong at (209) 46&. <br /> 0335. <br /> Donna Heran, REHS, Director <br /> Environmental Health Division <br /> 9 <br /> I - <br /> Jeffrey Wong , EHS, Trainee Margaret Lagono, REHS <br /> LOP/Site Mitigation Unit IV Supervisor <br /> JW:lb <br /> i <br /> c: RWQCB, Central Valley Region - Pat Anderson <br /> c: Wright Environment Services, Inc. - Debra Anderson <br /> f <br />