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GROUND ZERO ANALYSIS 9 <br />2- <br />0 <br />1 I , <br />-4- <br />4 <br />LOG OF BORING set <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 <br />JOE VASQUEZ <br />REVIEWED <br />BY JOHN LANE. RG 6795 <br />DRILLING COMPANY FISCH DRILLER <br />RICK BERTOLINO <br />METHOD <br />DIRECT PUSH <br />BORE HOLE DIAMETER 1 1/4 INDEPTH DRILLED <br />31 FT DEPTH TO WATER : INITIAL <br />31 FT 28 3 <br />STATICFT <br />CASING TYPE NA DIAMETER ►N <br />SCHEDULE <br />INTERVAL <br />FT TO FT <br />SCREEN TYPE NA DIAMETER IN <br />SLOT SIZE <br />IN INTERVAL <br />T TO FT <br />FILTER PACK TYPE —_NA <br />INTERVAL <br />FT TO FT <br />SURFACE SEAL TYPE NEAT CEMENT GROUT <br />INTERVAL <br />T TO FT <br />COMMENTS: WATER SAMPLE COLLECTED FROM TEMPORARY WELL CASING <br />PAGE 1 <br />WELL <br />DEPTH <br />PID <br />SAMPLE ID <br />I U.S.C. <br />— <br />OF 1 <br />DETAIL <br />I FT. _ <br />(PPM) <br />BLOWCOUNT <br />LOG <br />DESCRIPTION <br />SW-Sm <br />2- <br />-4- <br />4 <br />_ <br />- <br />2.6 <br />6 <br />8 <br />_ <br />10 <br />S61-10 <br />0.6 <br />w-12- <br />12 <br />-14 <br />14 <br />— <br />3 <br />2.8 <br />16 <br />o <br />a <br />18 <br />— <br />20 <br />S81-20 <br />1.9 <br />—22- <br />2 <br />24 <br />24- <br />— <br />- <br />2.1 <br />—26- <br />-28- <br />-30— <br />30 <br />1.2 <br />—32- <br />2343638 <br />-34- <br />-36- <br />38— <br />SW-SM <br />ML <br />10% CRS, SR, W GRDD GRYL; tU% FNS;' TAN, NO ODOR, DRY. <br />6.5/10'-11.5/15' SILT W/ SAND (ML); 30% SND; 80% FNS; L TGHNESS; L PLAST; <br />GRY, NO ODOR, M.. <br />11.5/15'-15.5' ELASTIC SILT (MH); 5% SND; 95% FNS; L TGHNESS; H PLAST; GRY, <br />NO ODOR, DRY. <br />MH <br />15.5'-16.5/20' SILTY SAND (SM); 75% FN, SR, P GRDD SND; 25% FNS; GRY. <br />SM <br />16.5/20'-21.5/25' SANDY SILT (ML); 30% SND; 70% FNS; M TGHNESS; M PLAST; <br />GRY/BRN, NO ODOR, MST. <br />ZA <br />21.5/25'-25.5 SILTY SAND (SM); 80% FN -M, SR, W GRDD SND; 20% FNS; TAN, <br />NO ODOR, MST. <br />/ SM <br />25.5-26.5/30' SILT WITH SAND (ML); 15% SND; 85% FNS; L TGHNESS; M PLAST; LT <br />ML BRN, NO ODOR, MST. <br />�i 26.5/30'-31' SANDY SILT (ML); 30% SND; 70% FNS; M TGHNESS; <br />L PLAST; GRY, NO ODOR, WET. <br />ML WATER SAMPLE SBI-30GW TAKEN FROM TEMPORARY WELL SCREEN <br />24' JOAN R <br />® LAINIE o <br />lo. 6795 <br />Chir ` .-�- <br />