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{ S <br /> a S <br /> -' Di Salvo Trucking facility-GIWP ; <br /> September 27,1994 <br /> Page 6 <br /> The groundwater samples will be collected from ach monitor well with a disposable, one- <br /> time-use, polyethylene bailer. The water samples from each well will be transferred from the bailer to <br /> three 40-ml glass VOAs fitted with Teflon-lined septums and two (2) one liter glass bottles. The <br /> samples will be labeled and placed in a cooler chilled wilh Blue Ice and delivered to a California <br /> certified laboratory under chain-of-custody procedures within 24 hours of collection. <br /> In accordance with field quality assurance and control procedures, a duplicate sample or <br /> rinsate sample will be collected during.the groundwater sampling. In-addition, a trip blank will be <br /> stored in the sample cooler during the field activities and analyzed, if warranted. Upon completion of <br /> the fieldwork, the water samples will be delivered under pain-of-custody procedures to GeoAnalytical <br /> Laboratories, Inc., in Modesto, California. <br /> 4.0 WELL COLLAR SURVEY . <br /> Each monitor well will be surveyed by a land su veyor licensed in the State of California. <br /> The survey will include vertical accuracy to the nearest .01 foot and horizontal accuracy to the <br /> nearest 1.0 foot. A scaled map of the potentiometric su ace at the site will be prepared'using the <br /> surveyed well collar elevations and depth to groundwater measurements. <br /> 5.0 LABORATORY ANALYSES <br /> The water and soil samples collected for-analyses from the Di Salvo Trucking,facility will be " <br /> rdelivered to GeoAnalytical Laboratories, Inc., in Modesto, California. The groundwater sample(s) will <br /> be analyzed for benzene toluene ethyl benzene and xylene (BTEX) b EPA Method..602 and for <br /> y s Y � xY � ) Y <br /> total extractable hydrocarbons, quantified as diesel, kerosene and motor oil (TEPH) by Method <br /> 510/LUFT. The soil samples, if collected, will be analyzed for BTEX by EPA Method 8020, and for <br /> TEPH by Method 3550/LUFT. Table 1 lists the laboratory detection limits for each of the above <br /> :. described c n tituents. The trip blank will'be analyzed r BTEX constituents BTEX constituents are <br /> detected i any of the groundwater samples. <br /> f jd <br /> CL <br /> Alror� CONDOR <br />