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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 /> °ate: QC Summary Report work Order: <br /> 17-Mar-14 14030702 <br /> Method Blank Type MBLK Test Code: EPA Method SW8260B <br /> File ID: C:\HPCHEM\MS10\DATA\140310\14031004.D Batch ID:MS10W0310A Analysis Date: 03/10/2014 10:32 <br /> Sample ID: MBLK MS10W0310A Units:pg/L Run ID:MSD_10_140310A Prep Date: 03/10/2014 10:32 <br /> Analyte Result PQL SpkVal SpkRefVal %REC LCL(ME) UCL(ME) RPDRefVal %RPD(Limit) Qual <br /> Benzene ND 0.5 <br /> Toluene ND 0.5 <br /> Ethylbenzene ND 0.5 <br /> Xylenes,Total ND 0.5 <br /> Surr 1,2-Dichloroethane-d4 9.64 10 96 70 130 <br /> Surr:Toluene-d8 9.98 10 99.8 70 130 <br /> Surr:4-Bromofluorobenzene 9.52 10 95 70 130 <br /> Laboratory Control Spike Type LCS Test Code:EPA Method SW8260B <br /> File ID:C:\HPCHEM\MS10\DATA\140310\14031002.D Batch ID:MS10WO310A Analysis Date: 03/10/2014 09:39 <br /> Sample ID: LCS MS10W0310A Units: pg/L Run ID:MSD_10_140310A Prep Date: 03/10/2014 09:39 <br /> Analyte Result PQL SpkVal SpkRefVal %REC LCL(ME) UCL(ME) RPDRefVal %RPD(Limit) Qual <br /> Benzene 10.2 0.5 10 102 70 130 <br /> Toluene 10 0.5 10 100 80 120 <br /> Ethylbenzene 10.5 0.5 10 105 80 120 <br /> Xylenes,Total 21 0.5 20 105 70 130 <br /> Surr: 1,2-Dichloroethane-d4 10.1 10 101 70 130 <br /> Surr:Toluene-d8 9.7 10 97 70 130 <br /> Surr:4-Bromofluorobenzene 9.73 10 97 70 130 <br /> Sample Matrix Spike Type MS Test Code: EPA Method SW8260B <br /> File ID:C:\HPCHEM\MS10\DATA\140310\14031015.D Batch ID:MS10W0310A Analysis Date: 03/10/2014 14:26 <br /> Sample ID: 14030702-01AMS Units: pg/L Run ID:MSD_10_140310A Prep Date: 03/10/201414:26 <br /> Analyte Result PQL SpkVal SpkRefVal %REC LCL(ME) UCL(ME) RPDRefVal %RPD(Limit) Qual <br /> Benzene 54.2 1.3 50 0 108 67 134 <br /> Toluene 52.9 1.3 50 0 106 38 130 <br /> Ethylbenzene 54.9 1.3 50 0 110 70 130 <br /> Xylenes,Total 111 1.3 100 0 111 70 130 <br /> Surr: 1,2-Dichloroethane-d4 52.3 50 105 70 130 <br /> Surr:Toluene-d8 48.4 50 97 70 130 <br /> Surr:4-Bromofluorobenzene 46.2 50 92 70 130 <br /> Sample Matrix Spike Duplicate Type MSD Test Code: EPA Method SW8260B <br /> File ID:C:\HPCHEM\MS10\DATA\140310\14031016.D Batch ID:MS10W0310A Analysis Date: 03/1012014 14:47 <br /> Sample ID: 14030702-01AMSD Units: pg/L Run ID:MSD_10_140310A Prep Date: 03/10/201414:47 <br /> Analyte Result PQL SpkVal SpkRefVal %REC LCL(ME) UCL(ME)RPDRefVal %RPD(Limit) Qual <br /> Benzene 52 1.3 50 0 104 67 134 54.22 4.2(21) <br /> Toluene 51.6 1.3 50 0 103 38 130 52.88 2.5(20) <br /> Ethylbenzene 52.4 1.3 50 0 105 70 130 54.86 4.7(20) <br /> Xylenes,Total 105 1.3 100 0 105 70 130 111.1 5.6(22) <br /> Surr: 1,2-Dichloroethane-d4 50.4 50 101 70 130 <br /> Surr:Toluene-d8 49 50 98 70 130 <br /> Surr:4-Bromofluorobenzene 48.2 50 96 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 />