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GROUND ZERO ANALYSIS <br />LOG OF BORING SB4 <br />PROJECT PALOMINO - RIVERBANK LOCATION <br />23023 SANTA FE RD. <br />RIVERBANK, CA <br />PROJECT NO. 618 <br />DATE DRILLED 7/28/04 LOGGED BY JOE VASQUEZ <br />REVIEWED <br />BY JOHN LANE RG 6795 <br />DRILLING COMPANY <br />FISCH DRILLER <br />RICK BERTOLINO <br />METHOD <br />DIRECT PUSH <br />BORE HOLE DIAMETER 1 1/4 IN DEPTH DRILLED 31.5 FT DEPTH TO WATER : INITIAL 31.5 FT STATIC 30.5 FT <br />CASING TYPE NA <br />DIAMETER <br />IN SCHEDULE <br />INTERVAL <br />FT TO FT <br />SCREEN TYPE NA <br />DIAMETER <br />IN SLOT SIZE <br />IN INTERVAL <br />FT TO FT <br />FILTER PACK TYPE NA <br />INTERVAL <br />FT TO FT <br />SURFACE SEAL TYPE NEAT CEMENT <br />INTERVAL <br />FT TO FT <br />COMMENTS: WATER SAMPLE COLLECTED FROM TEMPORARY WELL CASING <br />1 <br />WELL <br />DEPTH I PID <br />I SAMPLE ID <br />U.S.C. <br />PAGE OF-!_ <br />DETAIL <br />I FT. PPM) <br />I BLOWCOUNT <br />LOG <br />DESCRIPTION <br />z <br />w <br />w <br />cv <br />0 <br />En <br />J <br />J <br />W <br />3 <br />irr <br />a <br />0 <br />a <br />W <br />2 <br />4 <br />6 <br />8 <br />4n <br />, — vvvty YRi. <br />-10 SB4-10 <br />1.7 10.5'-11.5/20' FAT CLAY <br />AY (CH); 5% SND; 95% FNS; H TGHNESS; L PLAST; GRY, NO <br />-12 CH <br />11.5/20'-21.5' LEAN CLAY (CL); 5% SND; 95% FNS; M TGHNESS; M PLAST; GRY, NO <br />•14 ODOR, DRY. <br />•16 <br />.18 <br />20 S84-20 CL <br />1.4 <br />22 <br />24 <br />26 <br />Ft? <br />WATER SAMPLE S84-30GW TAKEN FROM, TEMPORARY WELL SCREEN. <br />32 <br />ED Q <br />34 `O <br />�i <br />JOHN P. <br />36 LANs" <br />No 95 <br />38 9 <br />4 <br />O C RLeFo <br />40 <br />