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Ut <br /> j .Superior precision .AnaLYticai, Inc- <br /> 1555 Burke,Unit I • San FranuSCo. Caltrornia 94124 • 1415.(647-2081 /tax.(415}821-7123 <br /> h C E R T I F I C A T E O F A N A L Y S I S <br /> LABORATORY NO. : 1Dn'I'E SAMPLED: 10/31/91 <br /> science <br /> DATE RECEIVED: 11/01/91 <br /> CLIENT: Alton Geo scienca DATE ANALYZED: 11/07/91 <br /> ,TOB NO, : 310.308 <br /> EPA SW-846 METHOD 8010 <br /> HALOGENATED VOLATILE ORGANICS <br /> SAMPLE: MW-5 <br /> MDL (ug/L) RESULTS (119/1) <br /> Compound -------- -------------- <br /> -------- <br /> 1.0 ND <br /> Chloromethane/Vinyl Chloride 1.0 ND <br /> Bromomethane/Chloroethane 0.5 ND <br /> Trichlorofluoromethane 0.5 ND <br /> 1,1-Dichloroethene 0.5 ND <br /> Methylene Chloride 0.5 ND <br /> trans-lr2-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 1.0 <br /> Trichloroethylene ND <br /> 0.5 <br /> 1,2-Dichloropropane 0.5 ND <br /> Bromodichloromethane 0.5 ND <br /> Cis-1,3-Dichloropropene 0.5 ND <br /> trans-1,3-Dichloropropene 0.5 ND <br /> 1,1,2-Trichloroethane 0.5 ND <br /> Tetrachloroethene 0.5 ND 'k <br /> DibromocItloromethane 0.5 ND <br /> Chlorobenzene 0.5 ND `• <br /> Bromoforni 0.5 ND <br /> 1,1,2r2-Tetrachloroethane 0.5 ND ; <br /> 1,3-Dichlorobenzene ND 1 <br /> 0.5 ND <br /> 1,2-Dichlorobenzene 0.5 F <br /> 1,4-Dichlorobenzene 0.5 ND 4 <br /> Cis-1,2-Dichloroethene ND E <br /> 2-Chloroethyl vinyl ether <br /> 0.5 <br /> MDL Method Detection Limit <br /> I <br /> ug/1 = Farts per billion (ppb) 415 <br /> QA/QC Summary: Daily Standard RPD <br /> MS/MSD average recovery = 82 % :MS/MSA RFD ±Richard Srna, Ph.D. <br /> Labor tory Di�-Ctorll <br /> i <br /> i <br /> •�I f <br /> Certified Laboratories <br />