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/FTANACAL ccc Halogenated Volatile Organic Test: <br /> Used toAssist in Evaluating Solvent Impacted Sites <br /> Common Degradation Pathways for Chlorinated Ethenes Kiff Analytical Halogenated Volatile Organics <br /> (8010 List) <br /> PCE By EPA 82608 <br /> Reductivee1j, Water Soil <br /> Dechbrinatlon MRL MRL <br /> TCE Parameter (u 1) (mg/kg) <br /> Chloromethane 0.5 0.005 <br /> Vinyl Chloride 0.5 0.005 <br /> Reductive qe <br /> Dechlorination Bromomethane 20 0.020 <br /> •�a.� <br /> •':�° While aerobic cometabolism can Chloroethane 0.5 0.005 <br /> Less Common lntermedlate : ••�6 occur naturally,d is usually <br /> s <br /> cis-1,2-DCE %�� stimulated by the addition of Trichlorofluoromethane 0.5 0.005 <br /> trans-1,2-DCE and 1,1-DCE substrate mess(e.g.:propane. <br /> • qe 1 1-Dichloroethene 0.5 0.005 <br /> rb4 , butane,methane)and oxygen. <br /> Reductive <br /> Qo�ea4o ,�w,,etae Methylene Chloride 0.5 0.005 <br /> Dech <br /> t-1,2-Dichloroethene 0.5 0.005 <br /> bdrbo • <br /> 1,1-Dichloroethane 0.5 0.005 <br /> VC c-1,2-Dichloroethene 0.5 0.005 <br /> Aerob_1c C°metabollsrn� Chloroform 0.5 0.005 <br /> ReducWe Aejba;° 1,1,1-Trichloroethane 0.5 0.005 <br /> Dechlorinatbn °+%cr� Co2 Carbon Tetrachloride 0.5 0.005 <br /> Ethene tae, Trichloroethene(TCE) 0.5 0.005 <br /> 1,2-Dichloropropane 0.5 0.005 <br /> CO2 Bromodichloromethane 0.5 0.005 <br /> c-1,3-Dichloroethene 0.5 0.005 <br /> cot t-1,3-Dichloroethene 0.5 0.005 <br /> 1,1,2-Trichloroethane 0.5 0.005 <br /> Key: racoroetene( CE) <br /> CO2 TethlhP0.5 0.005 <br /> DCE Dichloroethene Processes indx;afed by lines Dibromochloromethane 0.5 0.005 <br /> PCE Tetrachloroethene that point to the lett of compound <br /> are abiotic chemical reactions, Chlorobenzene 0.5 0,005 <br /> TCE Trichloroethane while those that point to the right <br /> VC Vinyl Chloride involve biotic degradation. Bromoform 0.5 0.005 <br /> 1,1,2,2-Tetrachloroethane 0.5 0.005 <br /> 1,3-Dichlorobenzene 0.5 0.005 <br /> References:US EPA(1998;20011;Wisconsin Department of Natural Resources.2003.Understanding 1,4-Dichlorobenzene 0.5 0.005 <br /> Chlorinated Hydrocarbon Behavior in Groundwater:Investigation,Assessment and Limitations of <br /> Monitored Natural Attenuation.PUBL RR-699. 1,2-Dichlorobenzene 0.5 0.005 <br /> Kiff Analytical,LLC 2795 Second Street,Suite 300,Davis,CA 95616 530.297.4800 530.297.4808(fax) <br />