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SUPERIOR ANALYTICAL LABORATORY, INC. <br /> 1555 BURKE, UNIT I• SAN FRANCISCO, CA 94124 • PHONE(415)647-2081 <br /> C E R T I F I C A T E O F A N A L Y S T S <br /> LABORATORY NO. : 10756-2 DATE SAMPLED: 06/15/90 <br /> CLIENT: Western Geologic DATE RECEIVED: 06/18/90 <br /> Resources DATE ANALYZED: 06/21/90 <br /> .SOB NO. : 6-066.03 <br /> EPA SW-846 METHOD 8010 <br /> HALOGENATED VOLATILE ORGANICS <br /> SAMPLE: 06150-04 <br /> Compound MDL (ug/L) RESULTS (ug/1 ) <br /> --- ----_ ----- ------- <br /> Chloromethane --- -- <br /> ` Bromomethane 0.5 ND <br /> L Vinyl chloride 1 .0 ND <br /> Dichlorodifluoromethane 0.5 Na <br /> Chloroethane 0.5 NQ <br /> Methylene chloride 4.0 ND <br /> Trichlorofluoromethane 0.5 ND <br /> 1 , 1-Dichloroethene 0.2 ND <br /> 1 ,1-Dichloroethane 0.5 ND <br /> trans-1 ,2-Dichloroethene 0.5 ND <br /> Chloroform 0.5 ND <br /> 1 ,2-Dichloroethane 0.5 NO <br /> 1 ,1 , 1-Trichloroethane 0.5 ND <br /> carbon tetrachloride 0,5 ND <br /> K Bromodichioromethane 0.5 ND <br /> 1 ,2-Dichloroprooane 0.5 NO <br /> ' cis-1 ,3-Dichioropropene 0.5 ND <br /> Trichloroethylene <br /> 0,5 <br /> NO <br /> 1 , 1 ,2-Trichloroethane 0.5 ND <br /> trans-1 ,3-Dichloropropene 0.5 ND <br /> 5 Dibromochiorcmethane 0.5 ND <br /> 2-Chloroethylvinyl ether 1 .0 ND <br /> ;:Ola Bromoform 0.5 ND <br /> Tetrachioroethene / <br /> 1 ,1 ,2,2-Tetrachloroethane 0.5 ND <br /> Chlorobenzene 0.5 ND i <br /> 1 ,3-Dii•hlorobenzene 0.5 ND <br /> 1 ,2-Dickilorobenzene 0.5 ND <br /> s 4+ 1 ,4-Dichlorobenzene 0.5 ND <br /> r 1 ,1 ,2--Trichlorotrifluoroethane__ 0.5 NQ <br /> MDL = Method Detection Limit <br /> ug/l = parts per billion (ppb) <br /> QA.,QC Summary: Daily Standard RPD = <15 <br /> MS/MSD average recovery = 106 % :MS/MSD RPD =< 10 :K <br /> Richard Srnk, Ph.D. <br /> Laboratory Di to <br /> OUTSTANDING QUALITY AND SERVICE <br />