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Laboratories, Inc. ill l <br /> J <br /> Environmental Testing Laboratory Since 1949 <br /> Stantec Reported: 03/22/2011 11:29 <br /> 3475 W.Shaw Avenue,Suite 104 Project: Calpines <br /> Fresno,CA 93711 Project Number: ]none] <br /> Project Manager: Ralph Carson <br /> Volatile Organic Compounds by GC/MS (EPA Method TO-15) <br /> Quality Control Report - Laboratory Control Sample <br /> Control Limits <br /> Spike Percent Percent Lab <br /> Consthuent QC Sample ID Type Result Level Units Recovery RPD Recovery RPD Quals <br /> QC Batch ID: BUC1317 <br /> Styrene BUC1317-BS1 LCS 38.197 42.597 ug/m3 89.7 70-130 <br /> BUC1317-BSD7 LCSD 35.828 42.597 ug/m3 84.1 6.4 70-130 30 <br /> 1,1,1,2-Tetrachloroethane BUC1317-BSI LCS 83.485 68.650 ug/m3 122 70-130 <br /> BUC1317-BSD7 LCSD 84.776 68.650 ug/m3 123 1.5 70-130 30 <br /> 1,1,2,2-Tetrachloroethane BUC1317-BS1 LCS 66.714 68.650 ug/m3 97.2 70-130 <br /> BUC1317-BSD1 LCSD 62.231 88.650 ug/m3 90.6 7.0 70-130 30 <br /> Tetrarhloroethene BUC1317-BSI LCS 51.615 67.825 ug/m3 76.1 70-130 <br /> BUC1317-BSDI LCSD 52.348 67.825 ug/m3 77.2 1.4 70-130 30 <br /> Tetrahydrofuran BUC1317-BSI LCS 29.075 29.491 ug/m3 98.8 70-130 <br /> BUC1317-BSD7 LCSD 29.674 29.491 ug/m3 101 2.0 70-130 30 <br /> Toluene BUC1317-BS7 LCS 30.566 37.684 ug/m3 81.1 70-130 <br /> BUC1317-BSD7 LCSD 30.713 37.684 ug/m3 81.5 0.5 70-130 30 <br /> 1,2,4-Tdchlorobemene BUC1317-BS7 LCS 55.280 74.211 ug/m3 74.5 70-130 <br /> BUC1317-BSDI LCSD 52.237 74.211 ug/m3 70.4 5.7 70-130 30 <br /> 1,11-Trichloroethane BUC1317-BS1 LCS 59.887 54.562 ug/m3 110 70-130 <br /> BUC1317-BSD7 LCSD 60.978 54.562 ug/m3 112 1.8 70-130 30 <br /> 1,1,2-Trichloroethane BUC1317-BS7 LCS 44.026 54.562 ug/m3 80.7 70-130 <br /> BUC1317-BSD1 LCSD 44.670 54.562 ug/m3 81.9 1.5 70-130 30 <br /> Trichloroethene BUC7317-BS7 LCS 39.766 53.737 ug/m3 74.0 70-130 <br /> BUC1317-BSD7 LCSD 40.883 53.737 ug/m3 76.1 2.8 70-130 30 <br /> Trichlorofluoromethane BUC1317-BS1 LCS 72.437 56.183 ug/m3 129 70-130 <br /> BUC1317-BSD7 LCSD 69.948 56.183 ug/m3 124 3.5 70-130 30 <br /> 1,2,3-Trichloropropane BUC1317-BS1 LCS 65.961 60.299 ug/m3 109 70-130 <br /> BUC1317-BSD7 LCSD 61.384 60.299 ug/m3 102 7.2 70-130 30 <br /> 1,1,2-Trichioo1,2,2-trinuoroadh a BUC1317-BS7 LCS 60.504 76.836 ug/m3 79.0 70-130 <br /> BUC1317-BSD7 LCSD 61.861 76.836 ug/m3 80.7 2.2 70-130 30 <br /> 1,2,4-Trimethylbenzene BUC1317-BS7 LCS 51.336 49.158 ug/m3 104 70-130 <br /> BUC1317-BSDI LCSD 48.367 49.158 ug/m3 98.4 6.0 70-130 30 <br /> 1,3,5-Trimethylbenzene SUC1317-BSI LCS 53.700 49.158 ug/m3 109 70-130 <br /> BUC1317-BSD7 LCSD 50.161 49.158 ug/m3 102 6.8 70-130 30 <br /> Vinyl acetate BUC1317-BS7 LCS 37.425 35.210 ug/m3 106 70-130 <br /> BUC7317-BSD1 LCSD 38.985 35.210 ug/m3 111 4.1 70-130 30 <br /> Vinyl bromide BUC1317-BS7 LCS 35.637 43.742 ug/m3 81.5 70-130 <br /> BUC1317-BSD7 LCSD 36.411 43.742 ug/m3 83.2 2.1 70-130 30 <br /> Vinyl chloride BUC1317-BS7 LCS 20.958 25.562 ug/m3 82.0 70-130 <br /> BUC1317-BSD1 LCSD 21.260 25.562 ug/m3 83.2 1.4 70-130 30 <br /> !hr reouUe m clot report apply m the sump/,,analyzed to aecorrluno,with the chain pfcvamdy document.I hts unalyrical purr mmt h,r,,a duc,d in its entirety. <br /> All results hz¢d in this r yon are forth,exdusire use of she submininy tarry. BC Labonsonez,Inc.asn Wa,for report almrmpa <br /> ion,seration,deachmem m third party intemp bon. <br /> 4100 AOas Court Bakersfield,CA 93308 (661)327-491orespaFAX(661)327-1918 ..bclabs.corn Page 34 of 36 <br />