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GROUND ZERO ANALYSIS LOG OF BORING SB4 <br /> PROJECT MANTECA EQUIPMENT LOCATION 616 SOUTH MAIN STREET, MANTECA PROJECT NO. 316 . <br /> DATE DRILLED De/30/99 LOGGED BY SEAN GARVEY REVIEWED BY_GREG P. STAHL RG No. 5023 <br /> DRILLING COMPANY -FISCH ENVIRONMENTAL DRILLER RICK BERTILINO METHOD DIRECT PUSH <br /> BORE HOLE DIAMETER 2 IN DEPTH DRILLED 16 FT DEPTH TO WATER INITIAL 15 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 TO FT <br /> FILTER PACK TYPE NA INTERVAL FT TO FT <br /> SURFACE SEAL TYPE NEAT CEMENT GROUT INTERVAL 0 FT 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 /> 0.25-6/9' WELL GRADED SAND WITH CLAY (SW—SC): 90% FN—CRS, SA, W GRDD <br /> 2 SND; 10% FNS, BRN, NPO, MST <br /> 4 SW—SC <br /> D <br /> 6 <br /> 8 <br /> 6/9-10' SILT (ML): 100% FNS, L DRY STRNGTH, N—SLW DLTNCY, L TGHNSS, <br /> ML L PLST, BRN, NPO, MST <br /> 10 0 <br /> ME—SBI-10' 10-16' WELL GRADED SAND (SW): >95% FN—CRS, A—SA, <br /> 12 W GRDD SND; <5% FNS, BRN, NPO, MST TO MST—WET <br /> SW <br /> 14 ME—SBI-15' <br /> 0 <br /> 16 <br /> —11191- <br /> -20— gED Ge0�0 <br /> 22 <br /> GREGORY P. <br /> z4 STAHL <br /> '�` NO. 5023 <br /> 26 �lgTF Of CAl1F���\� <br /> —28- <br /> -30- <br /> 32- <br /> -34- <br /> 36- <br /> -38- <br /> 40 <br /> 8303234363840 <br />