Laserfiche WebLink
Chevron U.S.A. <br /> Page 9 <br /> TABLE I-B <br /> Concentrations of Petroleum_Constituents in Soil, <br /> (Concentrations measured in parts per million) <br /> Sample <br /> I.D. - Benzene Toluene Ethbnz. Xylenes T.P.H. <br /> D12-28-N.C. Bot. n/d <0. 010 n/d <0.010 n/d* <br /> DI2-15-N.Wall n/d <0. 010 n/d <0. 010 n/d* <br /> D12-19-S.W.Wall n/d n/d n/d n/d n/d* <br /> Legend: <br /> Ethbnz. - Ethylbenzene <br /> T.P.H. - Total Petroleum Hydrocarbons <br /> n/d - Non-detected <br /> * - Total Petroleum Hydrocarbons as gasoline & diesel <br /> DI - Dispenser Island <br /> S - South, N - North, E - East, W - West, C - Center <br /> Bot - Bottom of Excavation <br /> Wall - Excavation Sidewall <br /> < - Less than <br /> The excavation was deepened and broadened (to the east <br /> towards DI-3) on January 29 and 30, 1990. On January 30, <br /> 1990, two samples were obtained from the limits of excavation <br /> on the north side of DI-3. On Wednesday, January 31, 1990 <br /> excavation operations were temporarily ceased. Field <br /> screening indicated that the area to the east of DI-3 had <br /> petroleum present. Four additional samples were obtained <br /> from the limits of excavation. The results of analyses on <br /> samples obtained on January 30 and 31, 1990 are presented in <br /> Table I-C. Photo 3 presents the final excavation. <br /> 16000-250-044 <br /> Corrected <br /> DvtF, & MOORE <br />