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G' <br /> Y , <br /> ` J <br /> t <br /> KEI-F88-0810.W1 <br /> February 22, 1989 <br /> Page 2 <br /> 2• Site Descri tion: <br /> The bulk plant site Occupies a now vacant lot a <br /> 145 X 145' in Tracy, Location Map and Site r Plan tare <br /> attached. <br /> PROPOSED FIELD WORK <br /> PHASXEIE T - MONITORING WELL TNSTAL]�ATIpD1 <br /> 1• proposes to install <br /> usinghollow stem four 2" diameter monitoring wells <br /> us , auger equipment (Site Plan] , permits for <br /> installation of monitoring wells will be obtained from the <br /> begegiJoaquin Local Health liistrict as necessary prior to <br /> nning work. <br /> The wells will be drilled 15 feet into the saturated zone of <br /> the first encountered ground water unless ..a five foot thick <br /> clay; aguitard is encountered first, at which time drilling <br /> - will. be terminated. <br /> 2. Soil samples will be collected at five <br /> beginning at a depth foot intervals <br /> of five feet until the first 'water <br /> table is encountered. Classification of soil will be d�lZe <br /> using the Unified Soils be <br /> System (USCS b <br /> KEI�s field engineer or geologl.st. Samples will be � <br /> col- <br /> lected in a California modified split-spoon sampler with <br /> clean 211 by 4" brass liners. The sampler will. be advanced <br /> ahead. of the dpoundn augers !at designated depths by <br /> dropping a 140 mer 30". Blow counts will be <br /> retained in the b <br /> recorded. The . samples. will . be removed from the sampler, <br /> rass liners, and sealed with aluminum foil, <br /> plastic caps and tape. and sealed <br /> be labA.� <br /> ice for delivery to a sed <br /> tate certified laboratory.-and stored on <br /> 3. Finalized boring logs will be <br /> submitted to the San boa prepared from field logs and <br /> the Regional .Water Joaquin Local Health District and to <br /> Valley Region, Sacramento QualitycontrolBoard (RWQCB) , Central <br /> 4• . ground water is anticipated at approximately <br /> grade based on the ground Ovate level found 2dur g btank <br /> removal and exploratory boring drilling. <br />