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;Depth <br /> ONITORING, WELL # MW-4 CONTRACTOR Woodward START DATE 7129197 <br /> OB # COLO1 001 RIG TYPE/MODEL BK81 FINISH DATE 7129197 <br /> LIENT Colberg Boat Works DRILLING METHOD Hollow-stem auger BACKFILL DATE <br /> ITE ADDRESS 858 W Fremont St, Stockton, CA BORING DIAMETER 8" TOC ELEV 10 26' ms] <br /> Below SOIL TYPE - grading, color, moisture, density/consistency,round c Graphic v % gravel, sand, fines, particle angularity, shape, size range, g <br /> 1MU Log odor staining, other A <br /> a. <br /> 0-6 inches fill and gravel <br /> 1 CL 6 inches-5 feet silty clay, brown, moist, no odor <br /> 2 Grout <br /> 3 Bentonite <br /> 4 2" Sch 40 <br /> 5 PVC !1 <br /> i <br /> 14 CL 5 feet-10 feet silty clay, dark brown, moist, no odor <br /> #3sand <br /> Y P <br /> 2"PVC <br /> screen i <br /> (0 020" <br /> slot) Depth to groundwater 8 6 feet bgs <br /> 5 <br /> 10 88 CL 10 feet-15 feet silty clay, brown, very moist, slight <br /> diesel odor <br /> s <br /> s <br /> 15 <br /> 16 CL 15 feet-17 feet silty clay; dark gray; moist, strong <br /> 20 diesel odor <br /> CL 17 feet-20 feet clay; brown, moist; no odor <br /> 7 <br /> 20 <br /> 7 CL 20 feet-25 feet silty clay, brown gray, moist, no odor <br /> 8 <br /> 12 <br /> 25 23 Total depth - 25 feet <br /> 30 <br /> Analytical sample <br /> r—_30 ® Sample recovered <br /> Project Manager T Landwehr MONITORING WELT. MW-4 Project No <br /> APEX Logged By K Broderick Colberg Boat Works COLO1 001 <br /> E N V I R O T E C H, INC Edited By T Landwehr 858 W Fremont Street <br /> Stockton, Caltforrus <br />