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+I r <br /> GROUND ZERO ANALYSIS Loc of WELL Mw4 <br /> • PROJECT TUFF BOY TRAILERS LOCATION 5151 ALNONDWOOD DRIVE, MANTECA CA PROJECT NO 335 <br /> DATE DRILLED 01 Z22101 LOGGED BY SEAN GARVEY REVIEWED BY JOHN P LANE RG No. 6795 <br /> DRILLING COMPANY VAcW WELL DRILLING DRILLER KEVIN CROSS METHOD HOLLOW STEM AUGER <br /> BORE HOLE DIAMETER B IN DEPTH DRILLED _ __2O_ FT DEPTH TO WATER INITIAL as FT STATIC 75 FT <br /> CASING TYPE PVC F4aO- - DIAMETER 2 IN SCHEDULE 40 INTERVAL 0 FT TO 5 FT <br /> SCREEN TYPE PVC F48a _ DIAMETER 2 IN SLOT SIZE 0.010 IN INTERVAL 5 FT TO 20 FT <br /> FILTER PACK TYPE 2/12 SAND INTERVAL 3 FT TO 20 FT <br /> SURFACE SEAL TYPE CONCRETE FLUSH WELL BOX WITH BENTONITE INTERVAL 0 FT TO 3 FT <br /> COMMENTS PAGE—L—OF-1— <br /> WELL <br /> FAWELL DEPTH FID SAMPLE ID U S C DESCRIPTION <br /> DETAIL FT PPM BLOWCOUNT LOG <br /> 2 0-6/9 5' WELL GRADED SAND (SW) 90-95% FN—CRS, A—SA, W GRDD <br /> SND 5-10R FNS, LS, BRN, NPO, MST <br /> 4 <br /> 0 2 SW <br /> 3 <br /> 6 6 <br /> 6 95-11/14 5' WELL GRADED SAND (SW) >95% FN—CRS A—SR W GRDD <br /> I SND, <SX FNS, LS, BRN, NPO, WET <br /> TBT—MW4-10' <br /> _ 10 3 <br /> 0 3 51M <br /> 3 <br /> 12 11/145-16/195- SILTY CLAY (CL/ML) 10-15% FN—M, A—SA W GRDD SND, <br /> 85-90% FNS L—M DRY STRNGTH, L—M PLST. HRD BRN, <br /> — NPO, WET <br /> 14 <br /> 17 <br /> CL/ML <br /> 16 21 <br /> 16/19 5-21' SILT (ML) <5% FN, A SND, >95X FNS N DRY <br /> 18 STRNGTH, R DLTNCY, L TGHNSS, N PLST V STIFF, SRN. <br /> K <br /> NPO, WET <br /> TBT—MW4-20 <br /> 20 0 18 ML <br /> 19 <br /> 22- <br /> -24- <br /> -26- <br /> 28- <br /> 30— <br /> z242s2s3D ED <br /> � O <br /> 32 �� JOHN p Osn <br /> LAN -4 <br /> 34 N NO 6795 <br /> 36 F CAL;F�P <br /> 3B <br /> 40 <br />