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Woodward-Clyde Consultants � PAOJECTNAME OSA Stockton NO <br /> 872 0112=1— <br /> MONITORING WELL LOCATION Caltrans Shop 10 (MW 9) ELEVATION AND DATUM +100 87 tL <br /> DRILLING AGENCY Detum Exploration DRILLER Steve/Anthony DATE F1 ARTE 3/&90 <br /> iDRILLING EQUIPMENT CME 75 COMPLETION B70 SAMPLER ISHED Modo d <br /> DEPTH <br /> DRILLING METHOD 8 Hollow stem auger DRILL BIT CME 4 Tooth Carbide NO OF DIST 13 UNDIST <br /> SAMPLES <br /> SIZE AND TYPE OF CASING 4'PVC screw[hreaded 1"ADM 675 TO 05 FT <br /> WATER FIRST 57 COMPL 58 24 HRS 58 <br /> 11Y11- <br /> TYPE OF PERFORATION 0 020"slotted FROM 670 TO 420 FT LOGGED BY CHECKED BY <br /> SIZE AND TYPE OF PACK Clemmtina#3 Lonestar Sand FROM 67s TO 390 FT G Heyman M Bonkowski <br /> TYPE OF NO 1 Bentonite pellets FROM 390 TO 370 FT <br /> SEAL NO 2 Cement grout FROM 370 TO 10 FT <br /> u <br /> c we E MATERIAL DESCRIPTION (n o ° <br /> U i <br /> Asphaltic Concrete and Base Material_ — — _ — _ _ — — _ �No Hydrocarbon odor <br /> OVM=0 ppm <br /> CLAY <br /> dark brown up to some silt, little very fine sand low plasticity, <br /> 5 damp, homogeneous No Hydrocarbon odor <br /> 1 OVM=0 ppm <br /> 10 — CLAY with Interbedded SAND and SILTY CLAY <br /> 2 medium brown with occasional dark brown mottling,clay Is at No Hydrocarbon odor <br /> bottom 6"sand (very fine to occasional medium) in middle OVM = 0 ppm <br /> with general fining upward character,topped by silty clay, low <br /> plasticity, damp <br /> CLAYEY SILT <br /> 15 medium yellow brown,trace very fine sand, low platicity, No Hydrocarbon odor <br /> 3 grades to silty clay damp <br /> OVMOppm <br /> 20 CLAY to CLAYEY SILT No Hydrocarbon odor <br /> 4 medium yellow brown, occasional dark brown mottling, Y <br /> occasional little very fine sand, low plasticity, damp OVM r* 0 ppm <br /> 25n SILT No Hydrocarbon odor <br /> 5 medium yellow to yellow brown, hills to some clay, tittle to Y <br /> some very fine sand, low plasticity, damp, abundant fine root OVM=0 ppm <br /> traces <br /> 30 No Hydrocarbon odor <br /> 6 as above <br /> OVM = 0 ppm <br /> 35 <br /> LOG OF MONITORING WELL NO MW 9 SHEET 1 OF 2 <br />