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GROUND ZERO ANALYSIS LOG OF BORING S83 <br /> PROJECT MANTECA EQUIPMENT LOCATION 616 SOUTH MAIN STREET, MANTECA PROJECT NO. 318 <br /> DATE DRILLED 08/30/99 LOGGED BY SEAN GARVEY REVIEWED BY GREG P. STAHL RG No 502 <br /> DRILLING COMPANY FISCH ENVIRONMENTAL DRILLER RICK BERTILINO <br /> METHOD DIRECT PUSH <br /> BORE HOLE DIAMETER 2 IN DEPTH DRILLED 16 FT DEPTH TO WATER INITIAL 1s FT STATIC 15 FT <br /> CASING TYPE NA DIAMETER IN SCHEDULE INTERVAL FT TO FT <br /> SCREEN TYPE NA DIAMETER IN SLOT SIZE IN INTERVAL FT <br /> TO FT <br /> FILTER PACK TYPE _NA INTERVAL F7 <br /> TO FT <br /> SURFACE SEAL TYPE NEAT CEMENT GROUT INTERVAL o FT <br /> TO 16 FT <br /> COMMENTS: PAGE_I OFA <br /> WELL DEPTH FID SAMPLE ID U.S.C. DESCRIPTION <br /> DETAIL FT. PPM BLOWCOUNT LOG <br /> 0-0.25' CONCRETE <br /> 2 <br /> 0.25-11/14' WELL GRADED SAND (SW): 95-100% FN—CRS, SA, W GRDD SND; <br /> 4 TRC FN, A GRVL 0-5% FNS, BRN, NPO, MST <br /> 6 SW <br /> 0 <br /> i <br /> 8 <br /> 10 0 <br /> ME—SB3-10' 11/14-14.5' SILT (ML): <5% FN, A—SA SND; 95-100% FNS, L—M DRY STRNGTH, <br /> 12 SLW DLTNCY, L TGHNSS, L PLST, BRN, NPO, MST <br /> 14 <br /> ME—SB3-15' ML <br /> 0 SW <br /> 16 14.5-16' FWELL SAND <br /> RN, NPO , WET FN—CRS, A—SR, W GRDD SND; TR <br /> N, ASAGRVL; <br /> i <br /> i <br /> 18 <br /> 20 <br /> 22 qEo cEo�oc <br /> 24 <br /> GREGORY P. <br /> STAHL <br /> i <br /> 26 No. 5023 <br /> S �Q' <br /> 28 OF CAL1F��� <br /> —30- <br /> -32- <br /> -34- <br /> -36- <br /> -38- <br /> 40— <br />