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w <br /> z <br /> NO <br /> SUPERIOR ANALYTICAL LABORATORY, INC. <br /> 1555 BURKE. UNITI.SAN FRANCISCO.CA 94124 • PHONE (415)647.2081 DHS#11332 <br /> C E R T I F I C A 'r E O F A N A L Y S a' S <br /> LABORATORY NO. 11716-5 DATE RECEIVED: 04/08/91 <br /> CLIENT: Ground Water Technology DATE REPORTED: 04/16/191 <br /> Inc. JOB NO. 203 175 3284.02 <br /> EPA SW-846 METHOD 8240 - VOLATILE ORGANICS <br /> by Gas Chromatography/ Mass Spectrometry <br /> SAMPLE: MW-1 <br /> Compound ug/l Compound ug/l <br /> Chloromethane ND<10 Cis-1 ,3-Dichloropropene ND<3 <br /> Bromomethane ND<10 Trichloroethene ND<3 <br /> Vinyl Chloride ND<10 Uibromochloromethane ND<3 <br /> Chloroethane ND<10 1 , 1 ,2-Trichloroethane ND<3 <br /> Methylene Chloride ND<10 Benzene ND<2 <br /> Acetone ND<1D Trans-1 ,3-Dichloropropene ND<3 <br /> .,Carbon disulfide ND<3 2-Chloroethyl vinyl ether ND<3 <br /> Trichlorofluoromethane ND<3 Sromoform ND<3 <br /> 1 , 1-Dichloroethene ND<3 4-Methyl-2-Pentanone ND00 <br /> 1 ,1-Dichloreethane ND<3 2-Hexanone ND00 <br /> 1 ,2-Dirhloroethene (total ) ND<3 Tetrachloroethene ND<3 . <br /> Chloroform N�t� 1 ,1 ,2,2-Tetracl�lcroethsne tdG<3 <br /> 1 ,2-Dichloroethaiie ND<3 Toluene ND<3 <br /> 2-Butanone ND<20 Chlorobenzene ND<3 <br /> 1 ,1 , 1-Trichloroethane ND<3Ethylbenzene N,c <br /> Carbon Tetrachloride ND<3 Styrene ND<3 <br /> Vinyl Acetate ND<10 Total Xylenes ND<3 <br /> Bromodichloromethane ND<3 1 ,3-Dichlorobenzene ND<3 <br /> 1 ,2-Dichloropropane ND<3 1 ,281 ,4-Dichlorobenzenes ND<3 <br /> ug/l = part per billion (Ppb) <br /> QC DATA: QC Limits <br /> Surrogate Recoveries <br /> r: water soil <br /> Bi-117 <br /> 1 ,2-DCA-d4. . . . . . . . . . . . . . 9795 76-114 61-i4D <br /> Toluene-d8. . . . . . . . . . . . . . 105% 86-110 <br /> Bromofluorobenzene. . . . . . 1U2% 86-115 74-121 <br /> -- comments: . Richard Srna, Ph.D. <br /> Laboratory {u�roctor . <br /> OUTSTANDING QUALITY AND SERVICE <br />