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GROUND ZERO ANALYSIS LOG OF BORING SB3 <br /> • PROJECT GAB_BARD LOCATION 640 NORTH EL DORADO STREET. STOCKTON CA PROJECT NO 256 <br /> DATE DRILLED 01/19/99 LOGGED BY SEAN CARVEY REVIEWED BY JOHN P. LANE RG No. 6759 <br /> DRILLING COMPANY F15CH ENVIRONMENTAL DRILLER RICK RFRTOLINO 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 IN SLOT SIZE IN INTERVAL FT <br /> TO FT <br /> FILTER PACK TYPE NA INTERVAL FT TO FT <br /> SURFACE SEAL TYPE NEAT CEMENT INTERVAL FT TO FT <br /> COMMENTS PAGE I OF—L.- <br /> WELL <br /> FyWELL DEPTH Plo SAMPLE ID U S C DESCRIPTION <br /> DETAIL FT PPM BLOWCOUNT LOG <br /> 0-3 CONCRETE <br /> 2 3-51 FILL MATERIAL <br /> FILL <br /> 4 GAS83-5 5' <br /> I <br /> 100 I <br /> 6 5-11/14 LEAN CLAY (CL) 5% FN SA PRLY GRDO SND 95% FNS <br /> SLW DLTNCY M TGHNSS M PLST SLK M TO STRNG PO DRY <br /> TO MST <br /> B <br /> CL <br /> 0 1500 <br /> 12 11/14-16/19 SILT (ML) 10% FN, SA, PRLY GROD SND 90% FNS SLW-R <br /> DLTNCY L TGNSS L PLST ORK BRN TO BLK STRNG PO MST <br /> • 4 <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 /> CRY STRNG PO, MS7-WET <br /> GAS83-21 <br /> 22 <br /> CL/MH <br /> 24 <br /> 2000 <br /> 26 <br /> GASB3-31GW <br /> 26/29-3075 WELL GRADED SAND (SW) 100% M-CRS W CRDD SND, DRY <br /> 26 — STRNG PO WET <br /> 300 — SW <br /> 30 — HYDROPVNCH GROUNDWATER SAMPLE COLLECTED AT 31 <br /> v <br /> GASB3-31 <br /> 32 3075-36 SILTY SAND (SM) 70% FN—M A—SA W GRDD SND, 3o% FNS <br /> Sl W— CY L TGHNSS L PLST ERN SL PO WET <br /> 34 SN �\�'`�R�� O`0 <br /> 36 0 CCu JOHN P <br /> GASB-3-36 LANE <br /> N <br /> 38 No 6795 <br /> Q <br /> 7'J`F QCT <br /> 40 <br />