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-16 — M-6C2 <br /> Manufacturer <br /> ♦ PPG <br /> -20 ❑ DOW <br /> M-31 C I O ICI <br /> A StanChem <br /> M-6CI <br /> E -24 EW-1 <br /> (D M-10A <br /> U <br /> -28 <br /> _32 1 1 ❑ O O <br /> 0 200 400 500 800 <br /> 6D (permill VSMa ) <br /> Notes: <br /> "Manufacturer"refers to TCE Manufacturers <br /> Squares, diamonds and triangles represent the stable carbon and hydrogen isotope ratios(613C and 8D, <br /> respectively)reported for TCE samples obtained from the different manufacturers and reported in Wilson <br /> (2010). <br /> Black dots represent the stable carbon and hydrogen isotope ratios for groundwater samples collected by <br /> m ECM in 2nd and 3rd quarters of 2010 and analyzed by ZymaX Laboratories of Escondido, California. <br /> Isotope ratios are reported in permill notation relative to internationally defined standards (VPDB for carbon <br /> F and VSMOW for hydrogen)in accordance with EPA(2008). <br /> STABLE CARBON AND HYDROGEN ISOTOPE <br /> Abbreviations: COMPOSITION OF TCE IN GROUNDWATER <br /> N <br /> y' VPDB=Vienna Pee Dee Belemnite SAMPLES <br /> VSMOW=Vienna Standard Mean Ocean Water Former Nestle Facility and Surrounding Area <br /> M Ripon, California <br /> M By:AF Date:01/26/2011 Project No. 98370.006 <br /> AMEC Geomatrix Figure B.4-5 <br />