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a <br /> • Table 3 (continued) <br /> Amended Groundwater Analytical Data <br /> Total Petroleum Hydrocarbons <br /> (TPH as Gasoline,TPH as Diesel, and BTEX Compounds) <br /> Unocal Bulk Plant 0788 <br /> j 8203 East 11th Street <br /> j Tracy, California <br /> TPH as TPH as <br /> Well Sample Gasoline Diesel Benzene Toluene Ethylbenzene Xylenes <br /> Number Date (ppb) (ppb) (ppb) (ppb) (ppb) (ppb) <br /> U-10 04/01/92 ND ND ND 0.83 ND ND <br /> 08/06/92 ND ND ND ND ND ND <br /> 1.1'/18/92 ND 70 ND ND ND ND <br /> 01121/93 ND ND ND ND ND ND <br /> i. Detection Limits: 50 50 0.5 0.5 0.5 0.5 <br /> i <br /> ppb = Partsper billion <br /> I ND = Not detected <br /> a. Petroleum hydrocarbons detected as TPH-d appear to be heavier than diesel. <br /> b. Atypical chromatograph pattern. <br /> C. Petroleum hydrocarbons reported as TPH-d appear to be lighter than diesel. <br /> d. Petroleum hydrocarbons reported as TPH-d appear to be due to a combination of heavier and lighter hydrocarbons. <br /> 1 <br /> I <br /> 1. <br /> I <br /> 3100104/TRANIRAP April 27, 1993 <br />