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Morita Brothers Service Station 4 July 16, 1992 California DOHS Luft Methods for gasoline and diesel, for the fuel constituent volatile aromatics, benzene, toluene, ethylbenzene, and total xylenes (BTEX) using USEPA Test Method 8020, halogenated hydrocarbons using USEPA Test Method 8010, for EDB using USEPA Test Method 504, for PCBs using USEPA Test Method 8080, for total petroleum hydrocarbons as oil and grease using USEPA Test Method 418 1, and for CAM Title 22 ' metals TPH as gasoline was detected in sample PN-I at 3 feet beneath the north end of the product pipelines and adjacent to the northern three dispensers at a concentration of 50 mg/kg Benzene was detected in this sample at 12 mg/kg, and total lead was detected in this sample at 84 mg/kg TPH as gasoline and the volatile aromatics were not detected at or above the minimum detection level in samples PS-2, and PC-3 TPH ' as gasoline as detected in sample TK-IS at a depth of 12 feet beneath the south end of the 5,000 gallon leaded gasoline tank at a concentration of 21 mg/kg, but not beneath the north end of the tank in sample TK-I N Lead was detected at 6 4 mg/kg and 3 4 mg/kg in these samples respectively EDB was not detected in these or any of the t other seven samples analyzed for the presence of EDB TPH as gasoline was detected at 2,250 mg/kg, and 980 mg/kg in samples TK-2S and TK-2N at a depth of 12 feet from beneath the south and north ends of the former 5,000 gallon unleaded gasoline tank, respectively Benzene was detected in these samples at 5 905 mg/kg and 1 665 mg/kg, respectively TPH as gasoline was detected in sample TK-3N at a depth of 12 feet beneath the north end of the 2,000 gallon premium unleaded gasoline tank at a concentration of 80 mg/kg, but was not detected in sample TK-3S from beneath the south end of the tank No volatile aromatics were detected in these samples TPH as gasoline and diesel as well as the volatile aromatics, EDB, and PCBs were not detected in sample TK-4 from beneath the 500 gallon waste oil tank However, TPH as oil and grease was detected at 40 mglkg, and lead was detected at 25 mg/kg in this sample ' None of the other CAM Title 22 metals were detected above apparent background concentrations TPH as gasoline was detected in samples SPE-1, SPE-2, and SPW from the stockpiled soil at concentrations of 8 mglkg, 32 mglkg, and 120 mg/kg, ' respectively Lead was detected in these samples at 27 mg/kg, 24 mg/kg, and 15 mglkg, respectively ' E13-8101-3 9207-EO37 WP ■