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.......... TABLE 2. Analytic Results for Ground Hater, Chevron Service Station 896465, Stockton, California Semple Sample Analytic Analytic TFHC 8 E T X EDC FOB SvDCs IDDate Lab Method <--------•---- ---- parts per billion (ppb) .................................> MLI-1 4 Feb 88 BSC 8015/602 41,000 21 <0.5 1.9 13 --- 28 Jus 88 B&C 8015/602 <1,000 <0.5 <0.3 <0.5 40.5 --- --- - 14 Sep 88 CCAS 524.2/8240 530 120 15 49 79 0.4 <0.1 --- 16 Dec 88 a ._. ... -.- ... ... ... --. ... ... NU-2 3 Feb 88 BEG 8015/602 41,000 <0.5 <0.5 40.5 <O.S --- .-- 28 Jun 88 BEC 8015/602 41,000 <0.5 <0.5 <0.5 <0.5 --- ... ... } 14 Sep 88 CCAS 524.2/8240 350 99 11 29 44 0.3 40.1 -- 19 Dee 88 CCAS 524.2/8240 1,000 340 <10 30 50 <10 <10 -- xu-3 4 Feb 88 B&C 8015/602 <1,000 40.5 <0.5 40.5 40.5 --- --- --- 28 Jun S8 BEC 8015/602 <1,000 <0.5 <O.5 40.5 40.5 --- --- 16 Dec 88 * --- ... --. -. --- ... ... -- Mu-4 4 Feb B8 B&C 8015/602 41,000 1.8 40.5 0.6 40.5 --- --- •-- 14 Jun 68 B&C 8015/602 0,000 <0.5 <0.5 <0.5 <0.5 --- -- - + 14 Sep 88 CCAS 524.2/8240 150 2.8 <1 <1 <1 <0.1 --- 16 Dec 88 CCAS 524.2/8240 330 1 <1 a. <1 40.1 40.1 --- 16 Dec 88 (dup) CCAs 524.2/8240 200 0.9 <1 0 c1 40.1 40.1 --- KW-5 4 Feb 88 B&C 8015/602 41,000 <0.5 40.5 <0.5 <0.5 --- --- --- 28 Jun 88 B&G 8015/602 41,000 40.5 40.5 40.5 <0.5 ... ... 14 Sep 88 CCAS 524.2i8240 50 <0.1 <1 <1 <1 40.1 <D.1 ... 16 Dec 88 CCAS 524.2/8240 <500 <5 -CIO 410 <10 <10 <10 --- 16 Dec 88 (dup) CCAS 524.218240 100 40.2 <2 <2 <2 <0.2 <0.2 --- x1+-6 28 Jun 88 BEC 8015/602 41,000 <0.5 <0.5 <0.5 40.5 -- --- ... 14 Sep 88 CCAS 524.2/8240 240 3.4 <1 <1 41 0.7 <0.1 --- 19 Dec 88 CCAS 524.2/8240 100 2.7 <2 <2 <2 1.4 0.2 --- KW-7 --M1A7 28 Jus 88 B&C 8015/602 41,000 40.5 <0.5 <0.5 40.5 --- ... ... 14 Sep 88 CCAS 524.218240 270 <0.1 <1 41 11 0.2 40.1 --- 19 Dec 8B CCAS 524.2/8240/ 37O 1.5 <0.1 <0.1 0.5 0.2 --• NDa 665/8270 ; J DHS Action Levels NA NA NA HE 0.7 100 680 620 1 0.02 NA --fable 1 continues on next page--