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GROUND ZERO ANALYSIS LOG of BORING HP-4 <br /> ' PROJECT VALLEY VOLKSWAGON LOCATION 647 E MINER AVE., STOCKTON CA PROJECT NO. 015 <br /> DATE DRILLED _11118/99 __ LOGGED BY SEAN GARVEY REVIEWED BY GREG P. STAHL RG No. 5023 <br /> DRILLING COMPANY SPECTRUM EXPLORATION DRILLER METHOD DIRECT PUSH <br /> BORE HOLE DIAMETER 2 IN DEPTH DRILLED 36 FT DEPTH TO WATER : INITIAL 30 FT STATIC _ 30 FT <br /> CASING TYPE Nd DIAMETER IN SCHEDULE INTERVAL FT TO FT <br /> SCREEN TYPE NA DIAMETER IN SLOT SIZE IN INTERVAL _ FT TO FT <br /> 1 FILTER PACK TYPE NA INTERVAL FT TO FT <br /> SURFACE SEAL TYPE NEAT CEMENT GROUT INTERVAL 4 FT TO 311 FT <br /> COMMENTS: 2x2 FT1ARFA POTHOLFD_ GROUTER-TO 4'- BGS_ RAL ---BACKFILLED/COMP. WITH NATIVE SOIL & 8' AC PATCH PAGE_LOFT <br /> 1 WELL DEPTH FID 1111LE 11 U.S.C. DESCRIPTION <br /> DETAIL FT. PPMBLOWCOUNT LOG <br /> a GREGORY P. <br /> ' STAHL � <br /> 6 No. 50231 <br /> P <br /> 1 8 9�F OF C _ <br /> 10 SAMPLING BEGAN AT 19 FEET BELOW GIADE SURFACE BGS) <br /> 1 t ��i <br /> ' 14— <br /> _16- <br /> 18 18 <br /> WW-HP4-20 <br /> t 19-21/24' LEAN CLAY WITH SAND (CL): 15% FN-M, A-SA, W GROD SND; 85% <br /> 20 0 FNS, M-H DRY STRNGTH, N-SLW DLTNCY, M TGHNSS, M PLST, BRN, <br /> CL NPO, MST <br /> ' 22 <br /> 21/24-25' SILT (ML): 5% FN-M, A SND; 957. FNS, M DRY STRNGTH, SLW DLTNCY, <br /> 24 VVW-HP4-25 <br /> M TGHNSS, M PLST, BRN, NPO, MST <br /> ML <br /> ' 0 25-30' WELL GRADED SAND (SW): 95% FN-CRS, A-SA, W GRDD SND; 5% <br /> 26 FNS, BRN, NPO. WET <br /> ' 28 SW <br /> VVW-HP4-30 <br /> 30 O 6 VVVVW-HP4-GW30' <br /> ' CL 30-31/34' LEAN CLAY (CL): 10% FN—M, A—SA SND; 90% FNS, H DRY STRNGTH, <br /> N DLTNCY, M—H TGHNSS, M PLST, BRN, NPO, MST <br /> 32 <br /> ' VVW-HP4-3S 31/34-36' SILTY CLAY (CL/ML): 10% FN-M, A-SA SND; 90% FNS, M-H DRY <br /> 34 STRNGTH, N-SLW DLTNCY, M TGHNSS, M PLST, BRN, NPD, DRY-MST <br /> O CL/ML <br /> 36 <br /> 3a <br /> ' 40 <br />