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1 <br />ffffMA LOG OF BORWG SB4 <br />PROJECT CORRIGAN PROPERTY LOCATION <br />620 SAN JUAN DRIVE, STOCKTON <br />CA <br />PROJECT NO. WO541.90 <br />DATE DRILLED 01/28/93 <br />LOGGED BY <br />TOM LUrrERMAN <br />REVIEWED <br />BY GREG STAHL RG No 5023 <br />DRILLING COMPANY <br />SPECTRUM EXPLORATION DRILLER VAN LEONARD <br />METHOD <br />HOLLOW STEM AUGER <br />BORE HOLE DIAMETER 6 IN DEPTH DRILLED <br />- 7 FT DEPTH TO WATER <br />INITIAL <br />..6 FT STATIC NA FT. <br />CASING TYPE NA <br />DIAMETER — IN <br />SCHEDULE <br />INTERVAL <br />— El TO FT <br />SCREEN TYPE NA <br />DIAMETER - IN <br />SLOT SIZE - IN <br />INTERVAL <br />-EL TO FT <br />FILTER PACK TYPE <br />NA <br />M-STRNG GAS/DIESEL ODOR MST -WET N -WEAK HCL REACTION, WEAK <br />INTERVAL <br />- FT TO FT <br />SURFACE SEAL TYPE <br />NEAT CEMENT OVER -3' OF BENTONITE <br />INTERVAL <br />0 FT TO 8_5 FT - <br />COMMENTS <br />4 <br />PAGE -!-OF <br />WELL <br />DETAIL <br />DEPTH <br />Fi. <br />PID <br />PPM <br />SAMPLE 10 <br />BLOWCOUNT <br />U S C <br />LOG <br />DESCRIPTION <br />0-0.3 APHALT <br />2— <br />—03-85 LEAN CLAY. c5% FN, SA -SR. PRLY GROG SND. >95% FNS, M -H DRY <br />STRNGTH, N DLTNCY. N TGHNSS. M -H PLST. V STIFF, ORK YLLW BRN, <br />M-STRNG GAS/DIESEL ODOR MST -WET N -WEAK HCL REACTION, WEAK <br />CP-SB4-S' <br />CEMENTATION, MOTTLED WHITE <br />4 <br />CL <br />ab <br />8 <br />10 <br />5 <br />12 <br />CP—SB4—T S• <br />6 <br />8 <br />130 <br />28 <br />10 <br />1z <br />14 <br />16 <br />1 s <br />ckEp GE0, <br />4'�, <br />20 <br />GREGORY P. <br />z2 <br />STAHL <br />No. 5023 <br />4 <br />—24- <br />- <br />OF CA�����a\� <br />—26- <br />-28— <br />_30- <br />-32— <br />32 <br />34- <br />43538do <br />U30 <br />36- <br />3a— <br />AA- <br />