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ECELCHEM <br /> ENVIRONMENTAL LABS <br /> 500 Giuseppe Court, Suite 9 a' <br /> Roseville, CA 95678 <br /> Phone# (916) 773-3664 Fax# (916) 773-4784 <br /> QA/OC REPORT <br /> tAttention: Mr. John Juhrend BTEX Analyzed: 05-04-95 <br /> GEOCON Matrix: Soil <br /> 3235 Sunrise Blvd. , #6 <br /> Rancho Cordova, CA 95742 <br /> Pro]ect: S8100-06--IIA <br /> Ethyl- Total <br /> ' Benzene Toluene benzene Xylenes <br /> PPM PPM M PPM <br /> Reporting Limit: 0 .005 0 . 005 0.005 0 . 005 <br /> QA/QC PARAMETER <br /> Matrix Blank ND ND ND ND <br /> ' PERCENT RECOVERIES <br /> Matrix Spike 100% 100% 98% 99% <br /> ' Matrix Spike 108% 108% 1070 109% <br /> Duplicate <br /> ' ppm - parts per million - mg/&q - milligram per kilogram <br /> ND - Not detected Compound(a) may be present at concentrations below the reporting limit <br /> ' ill surroyaLe raeovories rata within 30i of target values. <br /> spilcas i spike Duplicators vete eech spiked vitb 2S0 ng HFBZ standard_ <br /> ABALYTICAL PROCSDOewa <br /> BTI-- Henzene, toluene, athYlbenzana, and total Xylene isomers (BTEX) aro meanurad by extraction using EPA <br /> Method 5030 followed by analysis using EPL Mathod 8020 Which utilizes a gas Chromatograph (CC) equipped with <br /> a photoionixation detector (PID) . <br /> 05-10-95 <br /> ' L bo story Representative Date Reported <br /> E%CELCHEM ENVIRONMENTAL GABS IS CERTIFIED BY THS STATE OF CALIFORMIA <br /> DEPARTMENT OF HEALTH SERVICES AS A HAZARDOUS WASTE Tr STING LABORATORY <br /> (Certirlcation Ho 1760) <br /> 1 <br />