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OWM. J. HUNTER & ASSOC ` 2220 Loma Vita Dr Sucromento. CA 95825 SIERRA BAY FEDERAL LAND BANK ASSOCIATION 11875 Tom Paine Road, Tracy, California SdMMARY OF WORK DONE UNDER THE WORKPLAN t ADDENDUM LOCATION AUGER SAMPLE RESULTS Oc LABORATORY ANALYZES LD DEPTH DEPTH Benzene Toluene Ethyl Xylene TPH-G Soluble REMAR&S Benzene Lead WORK DONE NOV. 16, 1991 limits: mg/kg Boring #1 4 9' No test - - - - - - Petr, odor noted in sticky blue clay below 4 63; no water Boring 12 6 6' No test - - - - - - Petr odor on btm. to sticky blue clay; slow wtr. entry Boring #3 6'0" 6 0' ND ND NO hD NO NO Petr, odor noted near bts, damp sd, at TD. coring 44 7'6' 7'6" ND 0.03 0 58 1.30 53 0 hO Petr odor below 6'6' in sandy clay. Trench 111 7 0' 7 0' ND ND NO NO NO NO Petr, odor at 6 in clay, no water. Trench 12 6 0' No test - - - - - - Petr odor in sticzy clay at 6' Moist on btm, no water Trench 13 7 0' 7 0' ND 0 07 1.12 0 67 110.0 ND Petr, odor below 6 6" in sand. Evidence of free product Trench 44 7'0' 7'0' ND NO ND NO NA NO Petr odor in sand below 6 , some evidence of liquid, WORK DONE NOV 21, 1491 Limits. soil-ag/lig; water-mg/L er A 13 4' 13' ND NO 0 52 0 72 NU No test Composite sample from auger flight fins; slight odor. ger 6 9'4' 8 8' NO 0019 ND 0035 ND No test Vfater sample; found wtr. at 8'8' Auger B' 7 6' 7'6' NO NO 0.52 0 72 NO No test Soil sample-sticky blue clay Auger C 13'0" No test. Unable to sample - - - - Sticky blue clay below 6', wtr. at 8'. No odor Auger D 7 0' 7'0' NO NO NO NO NO No test Sandy clay on bts ; damp but no wtr. No odor. Auger E 6'6' 6 6' NO ND NO ND NO No test Sandy clay loam, wet soil at 6'61. Auger E 7'6" 7'6" ND ND NO NO NO No test Deepened to 7 6"; sample was vy wet clayey sand. Auger E B 7-8' NO NO ND NO NO No test Water sample. Auger F 8'0' 6'6' NO NO ND NO NO No test Sandy clay loam, sand 6 clay Water at 7' Auger F 8'0' 7'6' ND NO NO NO NO No test Ratgr sam le. Auger G la 0' 6'6' NO NO NO NO NO No test Sandy clay loam; minor amts of clay. Water at 7'. No odor, Auger 6 10 0' 7'0' ND NO NO NO NO No test Water sample. 7 4&Z, L i "