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GeoAnalytical Laboratories, Inc. <br /> 2300 Maryann Dr. Turlock,CA 95380 Phone(209)669-0100 Fax(209)593-2212 <br /> email: info@geoanalyticallob.com <br /> Report# A4B2104 Date:03/12/14 <br /> San Joaquin County Environmental Health Date Recd:02/21/14 <br /> 1868 East Hazelton Ave <br /> Stockton,CA 95205 <br /> Volatile Organic Chemistry- Quality Control <br /> GeoAnalytical Laboratories, Inc. <br /> Reporting Spike Source %REC RPD <br /> lAnalyte Result Limit Units Level Result %REC Limits RPD Limit Notes <br /> Batch A000635- EPA 5030B Prepared&Analyzed: 03/05/14 <br /> Blank(A000635-BLK 1) _ <br /> I,I.I-Trichloroethane ND 1.0 ug/L <br /> l,l-Dichloroethylene ND 1.0 " <br /> 1.2-Dichloroethane ND 0.5 " <br /> 2-Butanone(MEK) ND 10.0 " <br /> 4-Methyl-2-pentanone(MIBK) ND 10.0 " <br /> Acetone ND 10.0 " <br /> Benzene ND 1.0 " <br /> Carbon Tetrachloride ND 1.0 " <br /> Chloroform ND 1.0 " <br /> L'lhylbenzene ND 1.0 " <br /> Methylene Chloride ND 4.0 " <br /> Monochlorobenzene ND I.0 " <br /> 'retrachloroethylene(PCE) ND 1.0 " <br /> 'toluene ND 1.0 " <br /> Trichloroethylene ND 1.0 " <br /> Trichlorofluoromethanc ND 1.0 " <br /> Trichlorotrifluoroethanc ND 1.0 " <br /> Vinyl chloride ND 1.0 " <br /> Xylenes,total ND 1.0 " <br /> Surrogate: 1.2-Dichloroethane-d4 4.48 5.000 90 72-132 <br /> Swrogate:l-Bromo-I-Chloropropane 4.79 5.000 96 71-134 <br /> S'urroga1e:4-BromoJluuruben_ene 4.69 5.000 94 74-131 <br /> LCS(A000635-BSI) <br /> Benzene 8.7 1.0 ug/L 10.00 87 80-120 <br /> Monochlorobenzene 8.8 1.0 10.00 88 80-120 <br /> Toluene 8.9 1.0 10.00 89 80-120 <br /> Trichloroethylene 9.1 1.0 10.00 91 80-120 <br /> Surrogate:1.2-Dichloroethane-d4 4.52 5.000 90 72-132 <br /> Surrogate:2-Brorno-l-Chloropropane 4.75 5.000 95 71-134 <br /> Surrogate:4-Bromoflnoroben_ene 4.94 5.000 99 74-132 <br /> LCS Dup(A060635-BSD1) <br /> Benzene 11.3 1.0 ug/L 10.00 113 80-120 26 20 - <br /> Monochlorobenzene 10.5 1.0 10.00 105 80-120 17 20 <br /> Toluene 10.9 1.0 10.00 109 80-120 21 20 <br /> Trichloroethylene 12.1 1.0 10.00 121 80-120 28 20 <br /> Surrogate:l.1-Dichloroethane-d4 5.13 5.000 103 72-132 <br /> Surrogate:2-Bromo-I-Chloropropane 4.82 5.000 96 71-134 <br /> 1;urrogate:4-8romoJluorobencene 4.96 5.000 99 74-132 <br /> Certification#2585 <br />