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r� <br /> �►fl�rrcX+lf��fs <br /> Mr. Charles Leubner <br /> 26 March 1991 <br /> Page 3 <br /> _ _i <br /> 500-Gallon Diesel Tank and Remote Fill Lines for 10,000-Gallon Diesel Tanks: <br /> Analysis Method <br /> Total Petroleum Hydrocarbons as Diesel GC-FID with soxhlet sample <br /> preparation <br /> Benzene, Toluene, Ethylbenzene and EPA Method 8020 <br /> XyIenes <br /> 500-Gallon Solvent Tank: <br /> Analysis Method <br /> Benzene, Toluene, Ethylbenzene and EPA Method 8020 <br /> Xylenes <br /> Lead Waste Extraction Test (WET) <br /> Chlorinated Hydrocarbons EPA 8010 <br /> 1,000-Gallon Waste Oil Tank: <br /> Analysis Method <br /> TEPH GC-FID with soxhlet sample prep. <br /> {.� BETX 8020 <br /> Chlorinated Hydrocarbons 8010 <br /> Semivolatile Organics 8270 <br /> Cd, Cr, Pb, Zn, Ni WET <br /> Ar 500-Gallon Diesel and Solvent Tanks <br /> Petroleum hydrocarbons as diesel were not detected in the sample collected from the 500- <br /> gallon diesel tank (Tank No. 4). <br /> :{ Toluene and xylenes were the only solvent constituents detected in the sample collected <br /> a from the solvent tank (Tank No. 5) excavation; no chlorinated hydrocarbons were detected <br /> above the laboratory's method detection limit (see Table 1). The concentrations of toluene <br /> _a and xylenes were 1 ug/Kg and 10 ug/Kg, respectively. <br /> Total petroleum hydrocarbons as diesel were detected in the sample collected from beneath <br /> the piping for Tanks Nos. 4 and 5 at a concentration of 53 mg/Kg. Benzene, toluene, <br /> ethylbenzene, xylenes, and chlorinated hydrocarbons were not detected in this sample. <br />