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j. H. KLEINFELDER & ASSOCIATES File No. W-2008-1 <br /> November 14, 1985 <br /> Page 2 <br /> PURPOSEroducts have <br /> The purpose of this investigation was to assess whether gasoline p <br /> round water quality. To this end, one soil boring was <br /> impacted the local soil and/or g monitoring <br /> t placed over the site of the removed storage tank and Was ss Pied the subsurfaceaso ls; call^_cted <br /> well. During drilling, a Kleinfelder geologist classified <br /> the soil samples for subsequent analyses; screened samples in the field for semi-volatile <br /> tion detector (PID), and logged <br /> tha_ bore hole. <br /> hydrocarbons with a portable photoioniza <br /> IV. FIELD ACTIVITIES/OBSERVATIONS <br /> A. Soil Barin g well installed in the same <br /> ` The location of the soil boring and the monitoring <br /> borehole is shown on Plate H. The borehole wallo drilled eusingaugers. <br /> ruckTheuSoils <br /> mobile B'45 drill rig equipped with 6-inch ho <br /> encountered during drilling copsisted predominately <br /> of inter�eds of sand and silty <br /> sand with some clayey sand. A description of the soils encountered is presented <br /> on Plate IV, the copy <br /> of the Unified Soils Classification System (wised to identify <br /> et <br /> �.. <br /> the soil) is included as Plate III. Ground water wasencountered <br /> r� uthe below <br /> is <br /> grade in clayey <br /> sand. All sampling equipment used g <br /> i <br /> thoroughly cleaned prior to each use to minimize cross contamination. <br /> g. MonitorinnK Well- borehole at t <br /> A groundwater monitoring well (MW-1) was installed <br /> in <br /> completed withha <br /> completion of drilling and logging. The ground water <br /> with well screen sections <br /> PVC pipe, <br /> E 2-inch inside diameter flush threaded round surface. <br /> perforated with 0.020 inch slots from 35 t Monterey sandto <br /> 5 feet below <br /> the <br /> approximately cne <br /> The annular space was backfilled with #2 <br />