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P- <br /> y:Fy -t <br /> a <br /> I .superior Precision Ana�yrlca/, Inc. <br /> 1555 Burke,Unit 1 • San F:ancesco. CatAorn a 94124 • (4 15)647.2031 I fat 14 15)82 1.7 12 3 <br /> C E R T I F I C A T E O F A N A L Y S I S <br /> LABORATORY NO. : 12518-6 DATE SAIMPLED: 10/31/91 <br /> CLIENT: Alton Geoscience DATE RECEIVED: 11/01/91 <br /> JOB NO. : 310.308 DATE ANALYZED: 11/07/91 <br /> EPA SW-846 METHOD 8010 <br /> HALOGENATED VOLATILE ORGANICS <br /> SAMPLE: M'rd-5 <br /> Compound MDL (ug/L) RESULTS (ug/1) <br /> - ---------- -------------- <br /> Chloromethane/Vinyl Chloride 1.0 ND <br /> Bromomethane/Chloroethane 1.0 ND <br /> Trichlorofluoromethane 0.5 ND <br /> 1,1-Dichloroethene 0.5 ND <br /> Methylene Chloride 0.5 ND <br /> trans-l.,2-Dichloroethene 0.5 ND <br /> 1, 1-Dichloroethane 0.5 ND <br /> Chloroform 0.5 ND <br /> 1, 1,1-Trichloroethane 0.5 ND <br /> Carbon tetrachloride 0.5 ND <br /> 1,2-Dichloroethane 0.5 ND <br /> Trichloroethylene 0.5 1.0 <br /> 1,2-Dichloropropane 0.5 ND <br /> Bromodichloromethane 0.5 ND <br /> Cis-1,3-Dichloropropene 0.5 ND <br /> trans-1,3-D.ichloropropene 0.5 ND <br /> 1,1,2-Trichloroethane 0.5 ND <br /> Tetrachlorcethene 0.5 ND <br /> Dibromochloromethane 0.5 ND <br /> Chlorobenzere 0.5 F ND <br /> Bromoform 0.5 ND <br /> 1,1,2,2-Tetrachloroethane 0.5 ND . <br /> 1,3-Dichlorobenzene 0.5 ND <br /> 1,2-Dichlorobenzene 0.5 ND <br /> 1,4-Dichlorobenzene 0.5 Nb <br /> Cis-1,2-Dichloroethene 0.5 ND <br /> 2-Chloroethyl vinyl ether 0.5 ND <br /> MDL = Method Detection Limit <br /> ug/1 = parts per billion (ppb) <br /> QA/QC Summary: Daily Standard RPD = <15 <br /> MS/MSD average recovery = 82 % :MS/MSD RPD =< i <br /> s Richard Srna, Ph.D. <br /> (��ff�JVr'��v►�i <br /> Labordtory�Dirdctor <br /> Certified Laboratorie; <br />