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' GROUND ZERO ANALYSIS LOG OF BORING SB25/VAPOR WELL VWB <br /> PROJECT LOCATION toe S. WILSON WAY, STOCKTON CA- -- - - -- PROJECT NO 95-008 <br /> DATE DRILLED 19LUM LOGGED BY LOIS F'RANTZ REVIEWED RY.GREG P. STAHL RQ MD. 5023 <br /> BORE HOLE CASING TYPE DIAMETER DIAMETER H DRILLED <br /> SCHEDULE DEPTH TOO WATER RiON MAL rmNA sT¢u gut R <br /> DRILLING COMPANY SPECTRUM EKPIARATHM DRILLER DOUG SHEARER RANDY HO <br /> M F480 <br /> 1 R INITIAL NA FF STATIC FT <br /> I <br /> INTERVAL D Fr- TO ag FT <br /> SCREEN TYPE PVC FEED DIAMETER 4 IN SLOT SIZE min _IN INTERVAL 30 FT TO sD FT, <br /> ' FILTER PACK TYPE INTERVAL 28 FT TO so FT <br /> G <br /> h SURFACE SEAL TYPE NEAT ENT OVER BENTONITE INTERVAL 0 FT TO 29 FT <br /> k COMMENTS PAGE SOF 2 <br /> NEDEKH PID SAWU ID u 5 C DESCRIPTIDN <br /> ' DETAIL Fr (PPM) MZMCOUNT LOG <br /> 2 0-11 5/15' ELASTIC SILT/LEAN CLAY, 5% FN, SA-SR, PRLY GROD SND, <br /> 95X FNS, M-H DRY STRNGTH, N-SLW DLTNCY, M-H TGHNSS, <br /> M-H PLST, STIFF; BRN-KK. NPO. DRY-MST, WEAK CEMENT- <br /> 4 ATION; HOMO. CoCO3 <br /> 0 MH/CL <br /> 3 <br /> ' S 5 <br /> s <br /> 8 <br /> 10 S025-105. <br /> e <br /> 12 <br /> 15 <br /> HIM <br /> 12 <br /> i <br /> 44 115/15-26 ELASTIC SILT, SX FH. SA-SR. PRLY GRDD SND, 55% FITS, <br /> 58M DRY STRNGTH, N-SLW DLTNCY. L-M TGHHSS, M-H PLST; <br /> 4 STIFF, DRY-MST, WEAK CEMENTATION, HOMO, YLLW BRN, <br /> 16 4E N-SL PO <br /> 18 <br /> MH <br /> 20 $1 S025-20 5' <br /> 4 <br /> 7 <br /> 12 <br /> —22- <br /> -24- <br /> 71 <br /> 2 2471 3 <br /> 28 12 26-26 5/30' POORLY GRADED SAM 95X FN-M, SA-SR, PRLY ORDD SND, <br /> 20 M DNS. 5X FNS. CRY ON; M PO. DRY-MST, WEAK <br /> SP CEMENTATION, HOMO <br /> 28 26 5/30-31 5/35' ELASTIC SILT. 10% FN. SA-SR. PRLY GRDD SND, 9OX FNS, <br /> M DRY STRNGTH. SLW DLTNCY; L-M TGHNSS, M-H PLST, <br /> STIFF-V STIFF; YLLW 8RN; M-STRNG PO; MST; M CEMENT- <br /> -30 >2500 S825-30 5' ATION, HOMO <br /> 4 <br /> 12 MH <br /> 15 <br /> _ 32 <br /> 34 31 3/33-41 5' SILTY SAND; 85X FN-M. SA-SR, PRLY GRDD SND, M DNS; <br /> — 15X FNS; YLLW 9RN. M-STRNG PO. MST, M CEMENTATION, <br /> >2500 4 HOMO <br /> ' 38 6 <br /> 9 <br /> SM <br /> 40 >zSaD <br />