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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: <br /> 22-Apr-04 QC Summary Report Work Order: <br /> 04041240 <br /> Method Blank Type MBLK Test Code: EPA Method SW8260B-DI <br /> File ID: C:IHPCHEM1MS111DATA1040420104042003.D Batch ID:9738 Analysis Date: 04/20/2004 08:27 <br /> Sample ID: MBLK-9738 Units. pg/L Run ID:GC/MSD_11 04D420A Prep Date: 04/20/2004 <br /> Analyte Result PQL - SpkVal SpkRefVal %REC LowLimit HighLimit RPDRefVal %RPD(Llmit) Qual <br /> Methanol ND 5000 <br /> Ethanol ND 5000 <br /> Surr:Hexafluoro-2-propanol 496 500 99 69 135 <br /> Laboratory Control Spike Type LCS Test Code: EPA Method SW826013-13I <br /> File ID: C:IHPCHEMIMS111DATA1040420104042004.D Batch ID:9738 Analysis Date: 04/20/2004 08:48 <br /> Sample ID: LCS-9738 Units: pg/L Run ID:GC/MSD_11_040420A Prep Date: 04/20/2004 <br /> Analyte Result PQL SpkVal SpkRefVal %REC LowLimit HighLimit RPDRefVal %RPD(Limit) Qual <br /> Methanol 208 50 250 83 51 161 <br /> Ethanol 241 5 250 91 47 137 <br /> Surr:Hexafluoro-2-propanol 492 500 98 69 135 <br /> Sample Matrix Spike Type MS Test Code: EPA Method SW82608-DI <br /> File ID: C:IHPCHEM1MSi11DATA1040420104042006.D Batch ID:9738 Analysis Date: 04/20/2004 09:29 <br /> Sample ID: W4124D-02AMS Units: pg/L Run ID:GC/MSD_11_04D420A Prep Date: 04!20,12004 <br /> Analyte Result PQL SpkVal SpkRefVal %REC LowLimit HighLimit RPDRefVal %RPD(Limit) Qua! <br /> Methanol 212 50 250 0 85 51 161 <br /> Ethanol 267 5 250 0 107 47 137 <br /> Surr:Hexafluoro-2-propanol 490 500 98 69 135 <br /> I—ample Matrix Spike Duplicate Type MSD Test Code: EPA Method SW8260113-Dl <br /> ID: C:1HPCHEM1MS11\DATA1040420104042007.D Batch ID:9738 Analysis Date: 04/20/2004 09:50 <br /> Sample ID: 04041240-02AMSD Units: pg/L Run ID:GCIMSD_11_040420A Prep Date: 04/20/2004 <br /> Analyte Result PQL SpkVal SpkRefVal %REC LowLimit HighLimit RPDRefVal %RPD(Limit) Qual <br /> Methanol 201 50 250 0 61 51 161 211.6 5.0(39) <br /> Ethanol 277 5 250 0 111 47 137 267.2 3.5(34) <br /> Surr: Hexafluoro-2-propanol 495 500 99 69 135 <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 /> Reported in micrograms per liter,per client request. <br />