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GROUND ZERO ANALYSIS LOG OF WELL MW4 <br /> �• PROJECT GABBARD LOCATION 640 NORTH ELDORADO, STOCKTON CA _ PROJECT NO 256 <br /> DATE DRILLED 12/14/00 LOGGED BY SEAN GARVEY REVIEWED BY JOHN P LANE RG No 6795 <br /> DRILLING COMPANY CASCADE ENVIRONMENTAL DRILLER ERNEST GUTIERREZ METHOD HOLLOW STEN AUGER <br /> BORE HOLE DIAMETER 6 IN DEPTH DRILLED 32 FT DEPTH TO WATER INITIAL 25.5 FT STATIC 220 FT <br /> CASING TYPE PVC F450 DIAMETER 2 IN SCHEDULE 40 INTERVAL 0 FT TO 7 FT <br /> SCREEN TYPE PVC F480 DIAMETER 2 IN SLOT SIZE 0.010 IN INTERVAL 7 FT TO 32 FT <br /> FILTER PACK TYPE 2112 SAMO INTERVAL 5 FT TO 32 FT <br /> SURFACE SEAL TYPE 2' SENTONTTE 3' CONCRETE INTERVAL O FT TO 5 FT <br /> COMMENTS PAGE 1 OF 1 <br /> W LL DEPTH FID SAMPLE ID U S C DESCRIPTION <br /> DETAIL FT PPM BLOWCOUNT LOG <br /> 2 0-6/95' LEAN CLAY (CL) 0-5R FN, A SND, 95-1005 FNS. H <br /> DRY STRNGTH. N DLTNCY. M TGHNSS. M PLST, BRN, <br /> NPO. DRY <br /> 4 CL <br /> O 12 <br /> 28 <br /> 6 4 <br /> i <br /> 8 � <br /> 10 36 <br /> 0 50 6/9 5-15/19 5 SANDY LEAN CLAY (CL) 20-305 FN. A. PRLY GRDD <br /> SND 70-BOX FNS, M-H DRY STRNGTH N-SLW DLTNCY, <br /> M-H TGHNSS N-H PLST, BRN, NPO, DRY <br /> _ 12 <br /> CL <br /> • —I <br /> 14 <br /> 27 <br /> _ 0 33 <br /> 16 45 <br /> 16/19 5-21/245' SILTY CLAY (CL/ML) 10-15% FN A SND, 85-905 FNS <br /> 18 M DRY STRNGTH, SLW DLTNCY, M TGHNSS, M PLST BRN, <br /> NPO. MST <br /> GAB-YW4-2O' <br /> 20 15 CL/ML <br /> 0 28 <br /> _22- <br /> 21/245-26/29 5 <br /> 221/245-26/295' SILT (ML) 0-5X FN, A SND, 95-1005 FNS, N DRY <br /> 24 STRNGTH. R DLTNCY, L TGHNSS, N PLST, BRN, NPO <br /> _ 23 <br /> 27 ML <br /> 26 O 5O <br /> 28 <br /> 13 <br /> 30 D 20 SW 26/295-315' GRDD SND,WELL EO-5% FND SAND S. BRN/WHT OOPOFNWET NP . ET W <br /> — IB <br /> 32 O 23 Ml <br /> 31 5-32' SILT (ML) 5TGHN SN O, 90-95%8 f Y Q TH, <br /> R DLTNCY. L TGHNSS. N PLST, B ,� T Q <br /> 34 `�� <br /> . JOHN P. <br /> 36 LAN"C <br /> No <br /> 6795 <br /> 38 <br /> OF OA4'F <br /> 4D <br />