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Alpha Analytical, Inc. <br /> 255 Glendale Ave. •Suite 21 •Sparks,Nevada 89431-5778 <br /> (775)355-1044•(775)355-0406 FAX• 1-800-283-1183 <br /> Date: Work Order: <br /> QC Summa <br /> 04-Oct-11 Q �Report 11100323 <br /> Sample Matrix Spike Type MS Test Code: EPA Method SW8260B <br /> File ID:11100308.10 Batch ID:MS15W1003A Analysis Date: 101031201110:50 <br /> Sample ID: 11093023-01AMS Units:pg/L Run ID:MSD_15_111003A Prep Date: 10/031201110:50 <br /> Analyte Result PQL SpkVal SpkRefVal %REC LCL(ME) UCL(ME)RPDRefVal %RPD(Limit) Qua[ <br /> 1,1-Dichloroethene 53 2.5 50 0 106 64 130 <br /> Methyl tert-butyl ether(MTBE) 51.9 1.3 50 0 104 47 150 <br /> Benzene 54 1.3 50 0 108 59 138 <br /> Trichloroethene 53.2 2.5 50 0 106 65 144 <br /> Toluene 50.2 1.3 50 0 100 68 130 <br /> Chlorobenzene 50.5 2.5 50 0 101 70 130 <br /> Ethylbenzene 54.8 1.3 50 0 110 68 130 <br /> m,p-Xylene 52.9 1.3 50 0 106 68 131 <br /> o-Xylene 53 1.3 50 0 106 70 130 <br /> Surr:1,2-Dichloroethane-d4 54.9 50 110 70 130 <br /> Surr:Toluene-d8 46.9 50 94 70 130 <br /> Surr:4-Bromofluorobenzene 46.8 50 94 70 130 <br /> Sample Matrix Spike Duplicate Type MSD Test Code: EPA Method SW8260B <br /> File ID: 11100309.D Batch ID:MS15W1003A Analysis Date: 10/03/2011 11:11 <br /> Sample ID: 11093023-01AMSD Units: pg/L Run ID:MSD_15_111003A Prep Date: 10/03120111111:11 <br /> Analyte Result PQL SpkVal SpkRefVal %REC LCL(ME) UCL(ME)RPDRefVal %RPD(Limit) Qual <br /> 1,1-Dichloroethene 52.5 2.5 50 0 105 64 130 52.95 0.9(21) <br /> Methyl tert-butyl ether(MTBE) 53.8 1.3 50 0 108 47 150 51.85 3.7(40) <br /> Benzene 53.6 1.3 50 0 107 59 138 54.02 0.9(21) <br /> Trichloroethene 53.2 2.5 50 0 106 65 144 53.16 0.0(20) <br /> Toluene 49.8 1.3 50 0 99.6 68 130 50.18 0.8(20) <br /> Chlorobenzene 49.7 2.5 50 0 99 70 130 50.54 1.6(20) <br /> Ethylbenzene 54 1.3 50 0 108 68 130 54.81 1.4(20) <br /> m,p-Xylene 52.1 1.3 50 0 104 68 131 52.87 1.4(20) <br /> o-Xylene 52.2 1.3 50 0 104 70 130 52.97 1.5(20) <br /> Surr:1,2-Dichloroethane-d4 55.6 50 111 70 130 <br /> Surr:Toluene-d8 46.1 50 92 70 130 <br /> Surr:4-Bromofluorobenzene 45.4 50 91 70 130 <br /> Comments: <br /> Calculations are based off of raw(non-rounded)data.However,for reporting purposes,all QC data is rounded to three significant figures.Therefore,hand calculated <br /> values may differ slightly. <br />