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GROUND ZERO ANALYSIS <br /> LOG OF WELL MW3 <br /> PROJECT GREGERSON LOCATION 1717 S CENTER STREET, STOCKTON _ CA PROJECT NO 281 <br /> DATE DRILLED 07/13/99 LOGGED BY SEAN GARVEY REVIEWED BY GREG P STAHL RG No 5023 <br /> DRILLING COMPANY SPECTRUM EXPLORATION DRILLER EMERY METHOD HOLLOW STEN AUGER <br /> BORE HOLE DIAMETER 8 w DEPTH DRILLED 34.5 FT DEPTH TO WATER INITIAL 23.4 FT STATIC _ 23_ FT <br /> CASING TYPE _PVC T480 DIAMETER - 2 - -IN_ SCHEDULE 40 INTERVAL 0 FT TO 15 —EL <br /> SCREEN TYPE PVC F480 DIAMETER 2 IN SLOT SIZE 002 IN INTERVAL -- 15 FT- TO 35 FT <br /> FILTER PACK TYPE 03 SAND INTERVAL 13 FT TO 35 FT <br /> SURFACE SEAL TYPE NEAT CEMENT GROUT OVER BENTONITE INTERVAL D FT- TO 13 FT <br /> COMMENTS PAGE 1 OF—!— <br /> WELL <br /> F1WELL DEPTH FID SAMPLE ID U S C DESCRIPTION <br /> DETAIL FT PPM BLOWCOUNT LOG <br /> 0-6" ORGANIC SOIL (OL/OH) <br /> 2 <br /> 4 6 - 11/74 5' LEAN CLAY (CL) 10-20% FN TO FN-M. A TO SA, PRLY <br /> TO W GRDD SND 80-90% FNS, M-H DRY STRNGTH. N-SLW <br /> 6 DLTNCY, M TGHNSS, M PLST, V STIFF, BRN NPO, <br /> 0 11 DRY-MST <br /> 6 16 <br /> CL <br /> 8 <br /> 10 5 <br /> 0 8 <br /> 11 <br /> 12 <br /> 11/14S-16/19 5' SILT (ML) <5% M, SA, W GRDD SND >95% FNS L <br /> DRY STRNGTH, SLW DLTNCY, L-M TGHNSS, L PLST, <br /> 14 V STIFF, SRN, NPO, MST <br /> D a <br /> 14 ML <br /> — 16 18 <br /> 1$ 16/19 5-26/295' POO <br /> RL1Gfi 4DEP-SAND (SP) 100% FN, A, PRLY GRDD SND, <br /> MW3--20' DN•S-.T(?,jwLbRV, PO, MST-WET, NPO <br /> 20 0 13 <br /> GREGORY P. <br /> 22 STAHL <br /> 0 SP No. 5023 <br /> = 24 l <br /> 5 ATF LCA` <br /> 26 14 ;.� � <br /> 26/29 5-31/34 5' POORLY GRADED GRAVEL (GP) 5% FN-M SA, W GRDD <br /> 28 SND, 90% FN, A-SA, PRLY GRDD GRVL, 5% FNS, M DNS, <br /> BRN/WHITE, WET, NPO <br /> 30 <br /> 1 10 GP <br /> 10 <br /> 32 31/34 5-35' CLAYEY SAND (SC) 70% SNO 30% FNS SLW-R DLTNCY <br /> M DNS BRN WET NPO <br /> 1 <br /> 34 MW3-35 zsc <br /> 435-36' LEAN CLAY (CL) 100% FNS, H DRY STRNGTH N DLTNCY, <br /> 1 a CL M-H TGHNSS. M-H PLST, STIFF, GRY, NPO DRY <br /> 36 <br /> .38- <br /> 40 <br />