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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 /> 24-Sep-14 QC Summary Report 14091701 <br /> Method Blank Type MBLK Test Code: EPA Method SW8260B <br /> File ID: 14092304.D Batch ID:MS15W0923A Analysis Date: 091231201411:09 <br /> Sample ID: MBLK MS16W0923A Units: pg/L Run ID:MSD_15_140923A Prep Date: 09/23/2014 11:09 <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 9.71 10 97 70 130 <br /> Surr:Toluene-08 9.79 10 98 70 130 <br /> Surr:4-Bromofluorobenzene 11.5 10 115 70 130 <br /> Laboratory Control Spike Type LCS Test Code: EPA Method SW0260B <br /> File ID: 14092302.D Batch ID: MS15WO923A Analysis Date: 09/23/2014 10:02 <br /> Sample ID: LCS MS15WO923A Units: pg/L Run ID:MSD_15 140923A Prep Date: 09/23/2014 10:02 <br /> Analyte Result PQL SpkVal SpkRefVal %REC LCL(ME) UCL(ME) RPDRefVal %RPD(Limit) Qual <br /> Benzene 9.25 0.5 10 93 70 130 <br /> Toluene 8.36 0.5 10 84 80 120 <br /> Ethylbenzene 9 0.5 10 90 80 120 <br /> Xylenes,Total 17 0.5 20 85 70 130 <br /> Sum 1,2-Dichloroethane-d4 10.8 10 108 70 130 <br /> Surr:Toluene-d8 9.22 10 92 70 130 <br /> Surr:4-Bromofluorobenzene 10.6 10 106 70 130 <br /> Sample Matrix Spike Type MS Test Code: EPA Method SW8260B <br /> File ID: 14092308.D Batch ID:MS16WO923A Analysis Date: 09/23/2014 12:44 <br /> Sample ID: 14091246-02AMS Units : pg/L Run ID:MSD_15_140923A Prep Date: 0912312014 12:44 <br /> Analyte Result PQL SpkVal SpkRefVal %REC LCL(ME) UCL(ME)RPDRefVal %RPD(Limit) Qual <br /> Benzene 55.7 1.3 50 0 111 67 134 <br /> Toluene 49.8 1.3 50 0 99.6 38 130 <br /> Ethylbenzene 53.3 1.3 50 0 107 70 130 <br /> Xylenes,Total 101 1.3 100 0 101 70 130 <br /> Surr: 1,2-Dichloroethane-d4 53.7 50 107 70 130 <br /> Surr:Toluene-d8 45.9 50 92 70 130 <br /> Surr:4-Bromofluorobenzene 53.1 50 106 70 130 <br /> Sample Matrix Spike Duplicate Type MSD Test Code: EPA Method SW8260B <br /> File ID: 14092309.D Batch ID:MS16WO923A Analysis Date: 09/23/2014 13:08 <br /> Sample ID: 14091246-02AMSD Units: pg/L Run ID:MSD_15_140923A Prep Date: 09/23/2014 13:08 <br /> Analyte Result PQL SpkVal SpkRefVal %REC LCL(ME) UCL(ME)RPDRefVal %RPD(Limit) Qual <br /> Benzene 59.3 1.3 50 0 119 67 134 55.65 6.3(21) <br /> Toluene 53.6 1.3 50 0 107 38 130 49.81 7.4(20) <br /> Ethylbenzene 58 1.3 50 0 116 70 130 53.28 8.5(20) <br /> Xylenes,Total 109 1.3 100 0 109 70 130 100.9 8.1(22) <br /> Surr: 1,2-Dichloroethane-d4 53.5 50 107 70 130 <br /> Surr:Toluene-d8 46.3 50 93 70 130 <br /> Surr:4-Bromofluorobenzene 52.7 50 105 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 />