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GROUND ZERO ANALYSIS LOG OF WELL MW7
<br /> ":PROJEC� TUFF BOY LOCATION 5151 ALMONDWOOD DRIVE MANTECA CA PROJECT NO 335
<br /> DATE DRILLED X14/04 LOGGED BY SEAN GARVEY REVIEWED BY
<br /> DRILLING COMPANY FISCH ENVIRONMENTAL DRILLER RICK BERTILLINO METHOD DIRECT PUSH
<br /> WHOLE DIAMETER 8 IN DEPTH DRILLED 19 FT DEPTH TO WATER INITIAL 8 FT STATIC 66 _FT
<br /> NG TYPE DIAMETER 3/4 IN SCHEDULE 40 INTERVAL 0-- -- FT TO 4 _ FT
<br /> SCREEN TYPE eyn DIAMETER 3/4 IN SLOT SIZE O.Oto_ IN INTERVAL --4 -FT_ TO 19 - FT
<br /> FILTER PACK TYPE 2/12 _ - INTERVAL 2.5 FT TO 11 FT
<br /> SURFACE SEAL TYPE NEAT CEMENT OVER BENTONITE INTERVAL 0 FT TO 25 FT
<br /> COMMENTS PRE-PACK WELL SCREEN 2 5/8" ANNULAR SEAL, CONTINUOUS CORE SAMPLING PAGE_L,_OF__L_
<br /> WELL DEPTH FII) SAMPLE ID U 5 C DESCRIPTION
<br /> DETAIL FT PPM SLOWCOUNT LOG
<br /> 0-8' WELL GRADED SAND W/ CLAY (SW--SM), 85-90% FN-CRS, A-SR, W
<br /> GRDD SND, 10-15% FNS, BRN, N-SL ODOR, MST-WET
<br /> 2 35
<br /> 4 SLIGHT PRODUCT ODOR 4-8 FEET
<br /> SW-SC
<br /> 6 250 TBMW7-
<br /> a
<br /> 8'-10' CLAYEY SAND (SC), 80-85% FN-CRS, A-SR, W GRDD SND, 15-20%
<br /> TBMW7-10r Sc FNS, BRN/GRY, M ODOR, WET
<br /> 10 448 10'_11' WELL GRADED SAND (SW), >95% FN-CRS, A-SR, W GRDD SND, <5%
<br /> SW FNS, BRN/GRY, M ODOR, WET
<br /> 12 ML 11'-12' SILT (ML), <5% FN, A, SND, >95% FNS, N DRY STRGTH, R DLTNCY,
<br /> L TGHNESS, N PLAST, GRY, M ODOR, WET
<br /> 12'-16' LEAN CLAY (CL), <5% FN, A. SND, >95X FNS, M-H DRY STRGTH, N-
<br /> SLW DLTNCY, M-H TGHNESS, M-H PLAST, BRN, N-SL ODOR, MST
<br /> 14 21 T13MW7-1 CL
<br /> —16— 16'-17' WELL GRADED SAND (SW), >95X FN-CRS, A-SR, W GRDD SND, <5%
<br /> 10 SW FNS, BRN, NO ODOR, MST
<br /> 17'-18 9' POORLY GRADED SAND (SP), >95X F. A-SA, P GRDD SND, <5X FNS,
<br /> 18 TBMW7-19 SP BRN, NO ODOR, MST
<br /> CL 1 18 9'-19' LEAN CLAY (CL), <5% FN, A. SND, >95X FNS, BRN, NO ODOR
<br /> —20-
<br /> 24-
<br /> 26-
<br /> -28—
<br /> _30—
<br /> D
<br /> 024262830D GOI
<br /> 32
<br /> C? Obi
<br /> 34 jOHNrP ;
<br /> All
<br /> No 61
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<br /> OF
<br /> 6 OF
<br /> 3a
<br /> 40
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