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i <br /> Excelchem Environmental Labs <br /> t <br /> Ramage Environmental Project: SJ County Courthouse <br /> 465 South Meadows Parkway Suite 20 pmb 48 Project Number: NA Date Reported: <br />! Reno,NV 89521 Project Manager: Joe Ramage 09/05/08 15:58 <br /> Volatile Organic Compounds by CC/MS-Quality Control <br /> Reporting Spike Source -'r %REC RPD <br /> Analyte Result Limn Units Level Result %REC Limits RPD Limit Notes <br /> Batch AR10049-EPA 8260B <br /> iBlank(AR10049-BLKI) Prepared&Analyzed:09/02/08 <br /> Surrogate:Dibromofluoromethane 1L6 ug"I 12.5 ?2.5 70-130 <br /> Surrogate:Toluene-d8 12.3 12.5 98.2 70-130 <br /> Surrogaie:4-Bromofluorobenzene 12.8 12.5 103 70-130 <br /> TBA ND 5.0 <br /> Methyl tert-Butyl Ether ND 0.5 <br /> Di-isopropyl ether ND 0.5 1, - <br /> Ethyl ten-Butyl Ether ND 0.5 <br /> Teri-Amyl Methyl Ether ND 0.5 " <br /> 1,7-Dichloroethane ND 0.5 <br /> LCS(ARI0049-BSI) Prepared&Analyzed:09/02/08 <br /> Surrogate:Dibromofluoromethane 11.7 U98 12.5 93.3 70-130 <br /> Surrogate:Toluene-d8 12.4 12.5 99.5 70-130 <br /> Surrogate:4-Bromofluorobenzene 13.0 f1 12.5 104 70-130 <br /> Benzene ,9.2 0.5 10.0 92.1 80-120 <br /> Toluene 91 0.5 10.0 9'1.8- 80-120 <br /> 1,l-Dichloroethene 9.2 0.5 10.0 ? 91.5 80-120 <br /> Trichloroethene 9A 0.5 10.0 93.6 80-120 <br /> Chlorobenzene 8.9 0.5 10.0 89.2 80-120 <br /> f <br /> LCS Dup(AR10049-BSDI) Prepared&Analyzed:09/02/08 <br /> Surrogaie:Dibromofluoromethane 11.8 ug/1 12.5 94.3 70-130 <br /> 12.5 992 70-130 <br /> Surrogate:Toluene-d8- 12.4 . <br /> Surrogate:4-Bromofluorobenzene 12.5 12.5 100 70-130 <br /> Benzene 9.5 0.5 10.0 95.2 80.120 3.31 15 <br /> 9.6 0.5 11 10.0 ' 95.6 80.120 4.06 15 <br /> Toluene <br /> 15 <br /> LI-Dichloroethene 9.5 0.5 10.0 94.9 80-120 3.65 <br /> Trichloroethene 9.6 0.5 10-0 96.1 80-120 2.64 15 <br /> Chlorobenzene 9.3 0.5 10.0 93.4 80-120 4.60 15 <br /> - Excelchem Environmental Lab. The re.sulty in this report apply to the samples analyzed in accordance with the chuhr of' <br /> custady document.771is'anolyncol report must be reproduced to its emirery. N <br /> Page 6 of 7 <br /> rLaboratory Representative <br /> �r <br /> I! <br />