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L <br /> LGeoAnalytical Laboratories, Inc. <br /> _1405 Kansas Avenue Modesto,CA 95351 Phone(209)572-0900 Fax(209)572-0916 <br /> Report# T7F2613 Project: Manteca Unified School Dist.Grounds Shop Date:07/03/07 <br /> M.J.Kloberdanz&Associates (MUSD) Date Recd:06/26/07 <br /> r P.O. Box 576981 PO# <br /> +}„1 Modesto,CA 95357 <br /> Volatile Organic Chemistry-Quality Control <br /> GeoAnalytical Laboratories,Inc. <br /> Reporting Spike Source %REC RPD <br /> FA-ayte Result Limit Units Level Result %REC Limits RPD Limit Notes <br /> f Batch T002121 -EPA 5030E Prepared&Analyzed: 06/28/07 <br /> j Blank(T002121-BLKI) <br /> Benzene ND 0.3 ug/L <br /> Toluene ND 0.3 " <br /> Ethylbenzene ND 0.3 " <br /> Xylenes,total ND. 0.6 " <br /> Surrogate:a,a,a-Trri luorotoluene 12.8 25.0 91 70-115 <br /> LCS(T002121-BSI) <br /> L Benzene 9.0 0.3 ug/L 10.0 90 70-130 <br /> Toluene 84 0.3 10.0 84 70-130 <br /> Ethylbenzene 8.2 0.3 10.0 82 70-130 <br /> Surrogate:a.a.a-Triuorotoluene 13.8 25.0 95 70-115 <br /> Matrix Spike(T002121-MSI) Source:T7F2612-02 <br /> Benzene 8.7 0.3 ug/L 10.0 ND 87 54.8-129.4 <br /> Toluene 8.0 0.3 10.0 ND 80 53.9-127 <br /> Ethylbenzene 8.0 0.3 10.0 ND 80 49.8-128 <br /> Surrogate:a,a,a-Trifluorololuene 11.6 25.0 86 70-115 <br /> Matrix Spike Dup(T002121-MSD1) Source:T7F2612-02 <br /> Benzene 8.9 0.3 ug/L 10.0 ND 89 54.8-129.4 2 21.4 <br /> Toluene 8.4 0.3 10.0 ND 84 53.9-127 5 21.6 <br /> Ethylbenzene 8.3 0.3 10.0 ND 83 49.8-128 4 22.3 <br /> Surrogate:a,o,a-Triiluorotoluene 23.6 25.0 94 70-125 <br /> Batch T002122-EPA 5030B Prepared: 06/28/07 Analyzed:07/02/07 <br /> j Blank(T002122-BLK1) <br /> }r Benzene ND 5.0 ug/kg <br /> Toluene ND 5.0 " <br /> Ethylbenzene ND 5.0 " <br /> LXylenes,total ND 5.0 <br /> Surrogate:a.a,a-Tris luorotoluene 238 150.0 95 66-117 <br /> L <br /> Certification#2585 <br /> �.i <br />