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MONITORING WELL # MW-i CONTRACTOR Woodward START DATE 7/28197 <br /> JOB # COLOI 001 RIG TYPE/MODEL BK81 FINISH DATE 7128197 <br /> CLIENT Colberg Boat Works DRILLING METHOD Hollow-stem auger 13ACKFII-L DATE <br /> TE ADDRESS 858 W Fremont St, Stockton, CA BORING DIAMETER 8" TOC ELEV 10 00' msl <br /> Depth Below „ SOIL TYPE - grading, color, moisture, density/consistency, 1. <br /> Ground c Graphic Um % gravel, sand, fines, particle angularity, shape, size range, <br /> �r Log r odor staming, other A <br /> w <br /> 0-3 inches asphalt and fill/gravel <br /> 1 CL 6 inches-5 feet silty clay, brown, moist, no odor <br /> Grout <br /> 2 <br /> �i <br /> 3 Bentonite <br /> 4 2" Sch 40 <br /> PVC 5 <br /> 5 6 CL 5 feet-10 feet silty clay, brown, saturated/wet, no odor <br /> #3sand 8 <br /> 2"PVC <br /> screen <br /> (0 020" <br /> slot) Depth to groundwater 92 feet bgs <br /> 6 <br /> 10 10 ML 10-15 feet clayey silt; brown, very moist, no odor <br /> 6 <br /> 15 8 CL 15 feet-23 feet silty clay, brown, moist, no odor <br /> 15 <br /> 20 8 <br /> 12 CL <br /> 17 <br /> ML 23 feet-25 feet clayey silt, dark gray, moist; no odor <br /> 50 <br /> 25 0 Total depth - 25 feet <br /> 4 <br /> Analytical sample <br /> ® Sample recovered <br /> 30 <br /> Project Manager T Landwehr MONITORING WELL MW-1 Project No <br /> APEX Logged By K Broderick Colberg Boat Works COLO) 001 <br /> ENVIROTECH, INC 858 W Fremont Street <br /> Edited By T Landwehr Stockton, Cahforma <br />