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GROUND ZERO ANALYSIS LOG OF WELL MW4 <br /> PROJECT GABBARD LOCATION 640 NORTH EL DORADO. STOCKTON CA PROJECT NO 256 <br /> DATE DRILLED J2114/00 LOGGED BY SCAN GARVEYREVIEWED BY JOHN P LANE RG No 5795 <br /> DRILLING COMPANY CASCADE ENVIRONMENTAL DRILLER ERNEST GUTIERREZ METHOD HOLLOW 5IEM AWQER <br /> BORE HOLE DIAMETER a IN DEPTH DRILLED _32-FT DEPTH TO WATER INITIAL SEI STATIC 22 0 FT <br /> CASING TYPE PVC F480 DIAMETER 2 IN SCHEDULE 40 INTERVAL 0 FT TO 7 <br /> SCREEN TYPE PVC F450 DIAMETER 2 IN SLOT SIZE 0.010 1N INTERVAL 7 FT TO 32 EX <br /> FILTER PACK TYPE 2,/12 SAND -- INTERVAL 5 FT TO 32_ FT <br /> SURFACE SEAL TYPE 2' BENTONITE, 31 CONCRETE INTERVAL 0 FT TO 5 FT <br /> COMMENTS PAGE 1 OF 1 <br /> WELL DEPTH FID SAMPLE ID U S C DESCRIPTION <br /> DETAIL FT (PPM) BLOWCOUNT LOG <br /> 2 <br /> 0-6/95. LEAN CLAY (CL) 0--5% FN, A SND, 95-100% FNS, H <br /> DRY STRNGTH, N DLTNCY, M TGHNSS, M PLST, 9RN, <br /> NPO, DRY <br /> 4 CL <br /> 0 12 <br /> 28 <br /> fi 4 <br /> i <br /> i <br /> — 8 i <br /> i <br /> 10 36 <br /> 0 50 6/9 5-16/19 5 SANDY LEAN CLAY (CL) 20-30% FN, A, PRLY GRDD <br /> SND 70-BOX FNS, M-H DRY STRNGTH N-SLW DLTNCY, <br /> _ M-H TGHNSS N-H PLST, SRN, NPO, DRY <br /> _ 12 <br /> _ CL <br /> 27 <br /> 0 33 <br /> 16 45 <br /> 16/19 5-21/24 5' SILTY CLAY (CL/ML) 10-157. FN A SND, 85-907 FNS <br /> 1$ M DRY STRNGTH, SLW DLTNCY, M TGHNSS, M PLST GRN, <br /> HPO, MST <br /> GAS-NW4-20' <br /> 20 250 CL/LL <br /> 0 28 <br /> 2z <br /> 21/24 5-26/29 5' SILT (ML) 0-5% FN, A SND, 95-100% FNS, N DRY <br /> 24 STRNGTH, R DLTNCY, L TGHNSS, N PLST, 9RN, NPO <br /> 23 <br /> 27 ML <br /> 25 0 50 <br /> 28 <br /> 30 13 <br /> O 16 SW 26/29 5-31 5' WELL GRADED SAND (SW) 95-100% FN-CRS, A-SR, W <br /> 20 GRDD SND, 0-5% FNS, BRN/WHT, NPO, WET <br /> — 18 <br /> 32 p 23 ML <br /> 31 5-32' SILT (ML) 5-10% SND, 90-95X F qY Q TH, <br /> R DLTNCY, L TGHNSS, N PLST, 8 T 0 <br /> COQ <br /> • JOHrJ P. TA <br /> 36 L^V4E <br /> No 6795 <br /> 4 <br /> P <br /> OF C <br /> 40 <br />