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ENVIRONMENTAL LABS <br /> 500 Giuseppe Court, Suite 9 a' <br /> Roseville, CA 95678 <br /> Phone# (916) 773-3664 Fax# (916) 773-4784 <br /> OA/QC REPORT <br /> ' <br /> Attention: 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: S8100-06-11A <br /> Ethyl- Total <br /> Benzene Toluene benzene Xylenes <br /> REM-1 PPM .PPM 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 108% 108% 106% 109% <br /> Matrix Spike 110% 109% 107% 110% <br /> Duplicate <br /> ppm -: parts peer million - mg/x9 - milligram per k11 am <br /> ND Not detected Com con <br /> pounds) may be present et concentrations below the reporting ximit <br /> Me recoveries were witbin 30; of tazget values. <br /> Spikes & 3p17ue Dupll..tes were oecb spiked with 26O ng ImX nramaacv.. <br /> ASALYTICAL PROCBDpRES <br /> B7E7C Benzene, toluene, othylbentene, and total xylene isomers (BTEX) aro moasured by extraction using EPA <br /> Method 5030 rollowed by analysis using EPA Hot.bod 6020 which utillmee a gas cbromgtograph (GC) equipped With <br /> a pbotolonimatlon detector (PID) <br /> 1 <br /> 0.5-10=95 <br /> ILa( or tory Representative Date Reported <br /> EXCZ1.CHE4 ENVIRONMENTAL LABS IS CERTIFIED SY THE STATE or CALIFORNIA <br /> DEPARTNEET or HEALTH sERvices AS A XAZARDOOS WASTE TESTING LABORATORY <br /> (Certification No 1760) <br />