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MONITORING WELL LOG MW-2 <br /> LOG OF WELL: <br /> PROJECT NAME: Former Stefano's Gas Station TOTAL DEPTH(ft): 50 <br /> SITE ADDRESS: 1419 East Charter Way WELL DIAM. (inl' 2 <br /> Stockton, California <br /> 1999 DRILLER/COMPANY: Frank Ramirez <br /> DATE STARTED: January 5, Vg�W Drillin C-57#720904 <br /> DATE COMPLETED: Janna 5, 1999 GEOLOGIST/ENGINEER: Joseph Ramage, R.G.#5656 <br /> Rama a Environmental <br /> DRILLING METHOD: Hollow-stem Au er c <br /> a r <br /> u � <br /> « 2 U_ <br /> m <br /> t a _ <br /> y1 -1 W0 ti I- <br /> Y m n 0. m (nmCL <br /> W <br /> E o p Q = (n >_DESCRIPTION <br /> 0 in m a U) Z I D US <br /> Ir WELL COMPLETION:Expansion cap, Dolphin lock, 0 <br /> 0 8-inch diameter utility box. <br /> WELL CONSTRUCTION: 2-inch pvc screen(0.020)from 30-50' <br /> a #3 Lonestar sand from 28-50' <br /> 5 NR NA ro Hydrated bentonite chips from 25-28' 5 <br /> W 20:1 cernent:bentonite from surface to 25' <br /> I. p <br /> CONSTRUCTION DEBRIS FROM 0-10 FEET: <br /> Concrete blocks; plastic sheeting,etc. <br /> 10 NR NA <br /> 10 <br /> 15 34 359 CL SILTY CLAY: Beige-brown,dry,very stiff,strong gasoline odor. 15 <br /> 20 ,n 497 20 <br /> I <br /> I <br /> 25 25 564 25 <br /> ML CLAYEY SILT: Some fine sand;light greeish-grey,moist, <br /> very stiff,strong gasoline odor. <br /> 30 ;; 602 MW2-30 30 <br /> SP SAND: Poorly-graded coarse sand, reddish-brown,moist, <br /> medium dense,strong gasoline odor. <br /> _ 35 ;; 606 35 <br /> ML CLAYEY SILT: Minor fine sand, brown, moist,stiff, <br /> strong gasoline odor. <br /> Static groundwater at 40 feet below ground surface <br /> 40 ;B 508 MW2-40 40 <br /> CL SILTY CLAY: Grey-brown,wet,very stiff,strong gasoline odor. <br /> i <br /> 45 ;; 538 45 <br /> SP SAND: Poorly-graded medium_coarse sand, reddish-brown, <br /> I wet,medium dense,strong gasoline odor. <br /> I <br /> I <br /> 50 z 583 MW2-50 CL SILTY CLAY: Brown,wet,stiff,strong gasoline odor, 50 <br /> Page 1 of t <br /> I <br />