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VA LOG OF BORING SB6 <br />PROJECT CORRIGAN PROPERTY LOCATION <br />620 SAN JUAN DRIVE-_ST-OCKTO_N- <br />CA <br />PROJECT NO. -W0341 -A <br />DATE DRILLED 01/28/93 <br />LOGGED BY <br />TOM _LUTTERMAN -_ <br />REVIEWED <br />BY GREG STAHL _-RG 149 5023 <br />DRILLING COMPANY <br />SPECTRUM EXPLORATION DRILLER <br />VAN LEONARD <br />METHOD <br />HOLLOW STEM AUGER <br />BORE HOLE DIAMETER 8 IN DEPTH DRILLED <br />7 FT DEPTH TO WATER . <br />INITIAL <br />"'8 FT STATIC NA FT <br />CASING TYPE NA <br />DIAMETER - IN <br />SCHEDULE - <br />INTERVAL <br />- FT- TO <br />SCREEN TYPE NA <br />DIAMETER - IN <br />SLOT SIZE - IN <br />INTERVAL <br />- FT TO FT <br />FILTER PACK TYPE <br />NA <br />INTERVAL <br />- FT TO FT <br />SURFACE SEAL TYPE <br />NEAT CEMENT OVER -3' OF 9ENTONITE <br />INTERVAL <br />0- FT TO 85 FT <br />COMMENTS <br />1225 <br />PAGE OF I <br />WELL <br />DETAIL. <br />DEPTH <br />FT(PPM) <br />PID <br />SAMPLE 10 <br />BLOWCOIINT <br />U.S.C. <br />LOG <br />DESCRIPTION <br />0-0 4' ASPHALT <br />2 <br />0 4-8.5' LEAN CLAY <10% FN. SA -SR. PRLY GRDD SND, X90% FNS. M -H DRY <br />STRNGTH, N DLTNCY, M TGHNSS. M -N PLST. V STIFF, OAK YLLW BRN. <br />H-51. PO MST -WET, N HCL REACTION. WEAK CEMENTATION. HOMO <br />4 <br />CP-SB6-5' <br />CL <br />1225 <br />fi <br />13 <br />CP -S86-7.5' <br />8 <br />g <br />4.7 <br />12 <br />10 <br />12 <br />14 <br />18 <br />DG <br />20 <br />��RED <br />GREGORY P. <br />22 <br />STAHL <br />No. 5023 <br />—24- <br />�l9Tf <br />OF CA���'��� <br />-26— <br />—28- <br />30 <br />32- <br />2343fi3$An <br />-34- <br />36- <br />38— <br />An <br />