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06/23/93 20 53 e510 229 0916 SUPERIOR ANALYLl w Q)003 <br /> + Superior Precision � na6e cal,. Inc. <br /> 1555 Surkf- Ung( I • S asp F,r�n,l�to C a4�fjrnla 9a!14 ■ 1,1 151 647 2081 / f<t� {fi 1;l 821 71 �3 <br /> • , .r.. ... .�..w N_. <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. 56656-1 DATE RECEIVED: 06/19/93 <br /> CLIENT: WESTERN GEO—ENGINEERING DATE REPORTED: 06/23/93 <br /> DATE SAMPLED : 06/18/93 PROJECT NO. R-604 <br /> DATE ANALYZED: 06/21/93 <br /> t <br /> EPA SW-846 METHOD 8240 — VOLATILE ORGANICS <br /> by Gas Chro:%�atography/ Dass Spectrometry <br /> SAMPLE: INFLUENT 4A <br /> Compound MDL ug/L Compound MDL ug/L <br /> - <br /> Chloromethane 10 NDCis--1, 3-Dichloropropene 3 - - f <br /> ND <br /> Bromomethane 10 ND Trichloroethene 3 ND <br /> Vinyl Chloride 10 ND Dibromochloromethane 3 ND <br /> Chloroethane 10 ND 111, 2-Trichloroethane 3 ND <br /> Methylene Chloride 10 ND Benzene 1 ND <br /> Acetone 10 ND Trans-1, 3-Diehloropropene 3 NO <br /> Carbon Disulfide 3 ND 2-chloroethyl vinyl ether 3 ND <br /> Trichlorofluoromethane 3 ND Bromoform 3 ND <br /> 1, Dlchloroethene 3 ND 4-Methyl-2-Pentanone 10 ND <br /> 1 ichloroethane 3 ND 2-Hexanone 10 ND <br /> trans-1, 2-Dichloroethene 3 ND Tetrachloroethene 3 ND <br /> Chloroform 3 ND 1., 1, 2, 2-Tetrachloroethane 3 ND <br /> 1, 2-Dichloroethane 1 ND Toluene 3 ND <br /> 2-Butanone 20 ND Chlorobenzene 3 ND <br /> 1, 1., 1-Trichloroethane 3 ND Ethylbenzene 3 7 <br /> Carbon Tetrachloride 3 ND Styrene 3 ND <br /> Vinyl Acetate 10 ND Total Xylenes 3 100 <br /> Bromodlchloromethane 3 ND 1, 3-Dichlorobenzene 3 ND <br /> 3,2-Dlchloropropane 3 ND 1 , 4-Dichlorobenzene 3 ND <br />--is-1, 2-Dichloroethene 3 ND 1, 2-Dichlorobenzene 3 ND <br /> ag/L = parts per billion (ppb) <br /> YD - ANALYTE NOT DETECTED ABOVE QUANTITATION LIMIT <br />�C DATA: <br /> Surrogate Recoveries QC LIMITS <br /> AIR <br /> E, 2-DCA-d4 . . . . . . . . . . . . . . 98% 76-114 $ <br /> Coluene-d8 . . . . . . . . . . . . . . 103% 88-110 $ <br /> 3romofluorobenzene. . . . . . 103% 86-115 $ <br />:omments: <br /> Richard Srna, Ph. D. <br /> Laboratory Director <br /> y ��ftfflr'ti (-.dr30fc1�Uf c'_S <br /> S 1 <br /> 1 <br />