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TABLE B.4-5 ameO <br /> Compound Specific Stable Isotope Analytical Results <br /> Aguifer Well Trichloroethene cis-1,2-Dichloroethene Vinyl Chloride <br /> Well ID Zone Location Date µg/L 613C 637CI 5D µg/L 613C 5D µg/L 5 %, <br /> M-31C1 Intermediate 04/27/10 53 -21.9 NM NM 240 -25.6 NM 71 -39.9(a) <br /> M-31 C1 Intermediate 08/03/10 50 -21.2 -2.1 (a) 135(a) 220 -25.4 39 57 -40.6(a) <br /> M-31 C1 (DUP) Intermediate south of WWTF 08/03/10 48 NM NM NM 250 NM NM 86 NA <br /> TH-10 Intermediate 04/26/10 47 -20.3 NM NM 140 -23.9 NM 170 -37.4(a) <br /> TH-10 Intermediate 08/03/10 42 -20.6 NM NA 120 -23.8 NM 130 -38.5 a <br /> M-17C1 Intermediate 04/27/10 13 -15.7(a) NM NM 41 -13.0 NM 41 -29.5(a) <br /> M-17C1 Intermediate 08/03/10 11 -15.4 NM NA 40 -14.0 NM 30 -30.5(a) <br /> M-20C1 Intermediate north of WWTF 04/26/10 5.7 -19.4(a) NM NA 14 -18.7 NM 16 -34.8(a) <br /> M-26C2 Intermediate 04/27/10 1.0 ND NM NM 4.0 -12.2 a NM 0.97 ND <br /> M-1 B Upper 08/03/10 140 -21.7 NM NM <1.0 ND NM <1.0 ND <br /> M-1 B(DUP) Upper 08/02/10 140 NM NM NM 7.6 NM NM <1.0 NA <br /> EU-3 Upper on site 04/26/10 31 -26.7 -2.5 NM <1.0 ND NM <0.50 ND <br /> EW-1 Upper 08/03/10 76 -24.4 -2.2(a) 122 6 ND ND <1.0 ND <br /> M-25C1 Intermediate 04/26/10 15 -22.8(a) NM NA 9.3 -16.5(a) NM <0.50 ND <br /> M-25C2 Intermediate 04/26/10 6.4 -20.7 a NM NM 18 -15.8 NM <0.50 ND <br /> M-6A Upper 04/26/10 72 -23.8 NM NM 16 -14.8 NM 0.90 ND <br /> M-6A Upper 08/02/10 65 -23.7 NM NM 13 -15.2 NM 0.62 ND <br /> M-6C1 Intermediate 04/26/10 180 -24.1 NM NM 41 -16.1 NM 0.55 ND <br /> M-6C1 Intermediate near site 08/02/10 130 -22.7 -2.1 143 38 -15.9 37(a) 0.89 ND <br /> M-6C2 Intermediate 04/26/10 54 -16.0 NM NM 75 -8.8 NM <0.50 ND <br /> M-6C2 Intermediate 08/02/10 45 -16.2 -1.9(a) 121 (a) 70 -8.7 112 <1.0 ND <br /> M-49A Upper 1 1 08/02/10 1 130 1 -23.6 1 NM <1.0 ND NM <1.0 ND <br /> M-10A DUP Upper 04/26/10 250 -25.0 -2.2 NM 5.6 -17.8(a) NM <1.0 ND <br /> M-1 OA Upper north of site 08/03/10 310 -25.3 -2.2 135 5.8 ND ND <1.0 ND <br /> M-10C1 Intermediate 04/27/10 8.5 -4.3 a NM NM 3.0 ND NM <0.50 ND <br /> Abbreviations <br /> DUP=duplicate sample <br /> mg/L=micrograms per liter <br /> 613C=stable carbon isotope ratio in permil relative to VPDB <br /> 6D=stable hydrogen isotop ratio in permil relative to VSMOW <br /> 613C=stable chlorine isotope ratio in permil relative to VSMOC <br /> a=estimated value due to low concentration <br /> NM=not measured <br /> ND=not detected <br /> AMEC Geomatrix, Inc. <br /> \\oad-fs1\doc_safe\9000s\9837.006\4000 REGULATORYTS Assessment_Apx B_012711\Attachment B.4\Table B.4-5.1.xis Page 1 of 1 <br />