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COLUMBIA ANALYTICAL SERVICES INC f y <br /> Analytical Report <br /> 1 <br /> Client EMCON Associates Date Received 06/11/93 <br /> Project EMCON Project No OG71-038 01 Service Request No SJ93-0776 <br /> ARCO Facility No 2168 Sample Matrix Water <br /> Halogenated Volatile Organic Compounds <br /> i EPA Methods 5030/601 <br /> ,rglL (ppb) <br /> Sample Name MW-4 (59) * MW-5 (55) Method Blank <br /> Date Analyzed 06/15/93 06/14/93 06/14/93 <br /> i <br /> Analyte MRL <br /> Dichlorodifluoromethane !Freon 12) 1 < 10 <20 ND <br /> Chloromethane 1 < 10 <20 ND <br /> Vinyl Chloride 0 5 <5 < 10 ND <br /> i Bromomethane 0 5 <5 < 10 ND <br /> Chloroethane 05 <5 < 10 ND <br /> Trichlorofluoromethane (Freon 1 1 ) 0 5 <5 < 10 ND <br /> 1,1-Dichloroethene 05 <5 < 10 NO <br /> Trichlorotr,fluoroethane (Freon 1 13) 0 5 <5 < 10 ND <br /> Methylene Chloride 05 <5 < 10 ND <br /> trans-1,2-Dichloroethene 05 <5 < 10 ND <br /> cis-1,2-Dichloroethene 0 5 <5 < 10 ND <br /> 1,1-Dichloroethane 0 5 <5 < 10 ND <br /> Chloroform 0 5 <5 < 10 ND <br /> 1 ,1 ,1-Trichloroethane (TCA) 0 5 <5 < 10 ND <br /> Carbon Tetrachloride 0 5 <5 < 10 ND <br /> 1,2-Dichloroethane 0 5 43 130 ND <br /> Trichloroethene (TCE) 0 5 <5 < 10 ND <br /> 1,2-Dichloropropane 05 <5 < 10 ND <br /> Bromodichloromethane O 5 <5 < 10 ND <br /> 2-Chloroethyl Vinyl Ether 5 <50 < 100 ND <br /> trans-1 3-Dichloropropene 0 5 <5 < 10 ND <br /> crs-1 ,3-DEchloropropene 0 5 <5 < 10 ND <br /> I ,1 ,2-Trichloroethane 0 5 <5 < 10 ND <br /> Tetrachloroethene (PCE) 0 5 <5 < 10 ND <br /> Dibromochloromethane 0 5 <5 < 10 ND <br /> Chlorobenzene 0 5 <5 < 10 ND <br /> Bromoform 05 <5 < 10 ND <br /> 1,1 ,2 2-Tetrachloroethane 0 5 <5 < 10 ND <br /> 1,3-Dichlorobenzene 1 < 10 <20 ND <br /> 1,4-Dichlorobenzene 1 < 10 <20 ND <br /> 1 2-Dichlorobenzene 1 < 10 <20 ND <br /> Raised MRL due to high analyte concentration requiring sample dilution <br /> Approved by .{ Date �Iv"f 17 7� �T <br /> 7 <br />