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a,1 , <br /> GROUND ZERO ANALYSIS <br /> LOG OF BORING SB3 <br /> PROJECT GABBARD LOCATION 640 NORTH EL DORADO STREET, STOCKTON CA PROJECT NO 25� <br /> DATE DRILLED 01 19 99 LOGGED BY SEAN GARVEY REVIEWED BY JOHN P. LANE RG No. 6759 <br /> DRILLING COMPANY FI.'SCH ENVIRONM[NTAL_ DRILLER RICK BERTOLINQ METHOD DIRECT PUSH <br /> BORE HOLE DIAMETER 2 IN DEPTH DRILLED 36 FT DEPTH TO WATER INITIAL 23 FT STATIC _ 16 FT <br /> CASING TYPE NA DIAMETER IN SCHEDULE INTERVAL FT TO FT <br /> SCREEN TYPE NA DIAMETER 1N SLOT SIZE _ .__._...__.__ IN INTERVAL FT TO FT <br /> FILTER PACK TYPE NA INTERVAL FT TO FT <br /> SURFACE SEAL TYPE NEAT CEMENT INTERVAL FT TO FT <br /> COMMENTS PAGE 1 OFA_ <br /> WELL DEPTH PID SAMPLE ID U S C DESCRIPTION <br /> DETAIL FT PPM BLOWCOUNT LOG <br /> 0-3 CONCRETE <br /> 2 3 —5' FILL MATERIAL <br /> FILL <br /> 4 GAS83-5 5' <br /> 100 <br /> 6 5-11/14 LEAN CLAY (CL) 5% FN SA PRLY GRDD SND 95% FNS <br /> SLW DLTNCY M TGHNSS M PLST BLK M TO STRNG PO DRY <br /> TO MST <br /> 8 <br /> CL <br /> t0 1500 <br /> 12 11/14-16/19 SILT (ML) 10% FN, SA, PRLY GROD SND 907 FNS SLW—R <br /> ULTNCY L TGNSS L PLST DRK BRN TO BLK STRNG PO MST <br /> 14 � <br /> 2000 ML <br /> 16 <br /> 18 <br /> 2000 16/19-26/29 LEAN CLAY TO ELASTIC SILT (CL/MH) 10% FN SA SAND <br /> 20 90% FNS N—SLW DLTNCY M—H TGHNSS M—H PLST TAN TO <br /> GRY STRNG PO, MST—WET <br /> GASB3-21 <br /> 22 <br /> CL/MH <br /> 24 <br /> 2000 <br /> 26 <br /> GASB3-31Gw <br /> 26/29-30 75 WELL GRADED SAND (SW) 100% M—CRS W GRDD SND, GRY <br /> 28 = STRNG PO WET <br /> 300 <br /> 30 SW HYDROPUNCH GROUNDWATER SAMPLE COLLECTED AT 31 <br /> GASB3-31 <br /> 32 3075-36 SILTY SAND (SM) 70% FN—M A—SA W GRDD SND, 30% FNS <br /> SLW— NCY L TGHNSS L PLST BRN SL PO WET <br /> 34 SM <br /> 36 0 cc JCHPI P <br /> GASB3-36 a <br /> LA PqE,' <br /> I�lo <br /> 38 6795 <br /> 40 <br />