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GROUND ZERO ANALYSIS LOG OF WELL MW4 PROJECT GABBARD LOCATION 640 NORTH ELDORADO, STOCKTON CA PROJECT NO 256 DATE DRILLED J2114/00 LOGGED BY AN A REVIEWED BY JOHN P LANE RG No 5795 DRILLING COMPANY CASCADE ENVIRONMENTAL DRILLER ERNEST GUTIERREZ METHOD HOLL021 51EM AIJQER BORE HOLE DIAMETER a IN DEPTH DRILLED _32- FT DEPTH TO WATER INITIAL FEZ STATIC 22 D FT CASING TYPE PVC F480 DIAMETER 2 IN SCHEDULE 40 INTERVAL 0 FT TO 7 SCREEN TYPE PVC 1`480 DIAMETER 2 IN SLOT SIZE 0,010 IN INTERVAL - -7 FT TO - 32 ET FILTER PACK TYPE 2,/12 SAND -- INTERVAL 5 FT TO 32_ FT SURFACE SEAL TYPE 2' BENTONITE, 3' CONCRETE INTERVAL 0 FT TO 5 FT COMMENTS PAGE 1 OF 1 WELL DEPTH FID SAMPLE ID u S C DESCRIPTION DETAIL FT (PPM) BLOWCOUNT LOG 2 0-6/95. LEAN CLAY (CL) 0-5% FN, A SND, 95-1005 FNS, H DRY STRNGTH, N DLTNCY, M TGHNSS, I4 PLST, SRN, NPO, DRY 4 CL O 12 28 6 4 i i — 8 � i 10 36 0 50 6/9 5-16/195 SANDY LEAN CLAY (CL) 20-30% FN, A, PRLY GRDD SND 70-60X FNS, Y-H DRY STRNGTH N-SLW DLTNCY, _ M-H TGHNSS N-H PLST, SRN, NPO, DRY _ 12 _ CL 27 O 33 16 45 15/195-21/245' SILTY CLAY (CL/AAL) 10-157. FN A SND, 85-907: FNS 1$ V DRY STRNGTH, SLW DLTNCY, M TGHNSS, M PLST BRN, NPO, MST GAS-WW4-20' 20 250 CL/ML 0 2S 2z 21/24 5-26/29 5' SILT (AAL) 0-55 FN, A SND, 95-1005 FNS, N DRY 24 STRNGTH, R DLTNCY, L TGHNSS, N PLST, SRN, NPO 23 27 AAL 26 0 50 28— _30— 13 1 SW 26/29 5-31 5' WELL GRADED SAND (SW) 95-1005 FN-CRS, A-SR, W 0 20 GRDD SND, 0-5X FNS, BRN/WHT, NPO, WET 18 32 p 23 ML 31 5-32' SILT (AAL) 5-105 SND, 90-95X F �qY Q TH, R DLTNCY, L TGHNSS, N PLST, B T Q 34 �� 00 • JOHN P. 36 LA N E No 6795 —38- - 8 4 op C 40