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TABLE A LABORATORY RESULTS OF SOIL SAMPLES FROM EXCAVATION & SPOIL PILES Samples taken on August 9, 1991, analysis by Weston Analytical Test Benzene Toluene Ethyl Xylene TPH-G TPH-D Ethylene Oil & Benzene Dibromide Grease Units mg/kg mg/kg mg/kg mg/kg mg/kg mg/kg ug/kg mg/kg Method EPA 8020 EPA 8020 EPA 8020 EPA 8020 LUFT LUFT EPA 504 EPA 9071 SAMPLE ID H. Wall-13' ND(.002) ND(.002) ND(.002) ND(.002) ND(1.0) 130(5.0) 2 7(2 5) 350(50 0) N Wall-18' ND(.002) ND(.002) ND(.0021 ND(.0021 ND0 0) ND(5 0) ND(0.50) ND(50.0) HE Cor-10' ND(.002) ND(.002) NO(.002) ND(.002) ND(1.0) ND(1.0) ND(0 50) ND(50 0) NE Cor-18 ND(.002) ND(.0021 ND(.002) NO( 002) ND(1.0) 2.4(1.0 ND(0 50) ND(50.0) E. Wall-13' ND(.002) ND( 002) ND(.002) ND(.002) ND(1.0) NO(1.0) ND(0 50) ND(50 0) E. Wall-18' ND(.002) NO( 002) ND(.002) ND(.002) NO(1 0) 1 5(1 0) ND(0 50) NO(50.0) i1( SE Cor-2 ND(.002) ND(.002) ND(.002) ND(.002) NO(1.0) 45(1.0) ND(0 50) 72(50 0) 5. Wali 1 Bj ND(2.5) ND(2.5) ND(2.5) 18(2.5) 1.8(1.0) 900(20 0 12(2 5) 3500(50.0) W. Wall-13' ND(.002) ND(.002) ND(.002) ND(.002) ND(I.0) 7 2(1 0) ND(0.50) ND(50.0) NW Cor-18 ND(.002) NO(.002) ND(.002) ND(.002) NO(1.0) 2.0(1 0) ND(0 50) ND(50.0) BTM-So.-16' ND(2.5) ND(2.5) ND(2.51 550(2.5) 170(100.0)2300(100,0) 3100(100 0)6630(50 0) BTM-W.-18' ND(.002) ND(.002) ND(.002) ND(.002) ND(1.0) NO(1.0) ND(0 50) ND(50.0) SPOIL PILE SAMPLES • SAMPLE ID West #1 ND(.002) HO( 002) ND(.002) NO(.002) NO(1.0) 14(1 0) NO(0.50) ND(50.0) West #2 NO( 002) ND(.002) ND(.002) .0052(.002)ND(1.0) 73(5,0) 36(2 5) 280(50.0) West #3 ND(.002) NO( 002) ND(.002) ND(.002) ND(1.0) 15(1 0) ND(0 50) 89(50.0) East #1 ND(.002) ND(.002) ND(.002) ND(.002) ND(1.0) 1 2(1 0) ND(0 50) 73(50.0) East #2 ND( 002) ND(.002) ND(.002) NO( 002) ND(1.0) 31(1.0) 1 7(0 50) ND(50.0)