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2 Date: <br /> -oa Alpha Analytical, Inc. - QC Summary Report <br /> Work Order: <br /> Method Blank00051845 <br /> Sample ID: <br /> Test Code; SW82606 Batch 1D: MS4W0519A Analysis Date: 05122!2000 1156 <br /> Analyse M13LK_00052205 Units: pglL Run ID: GC/MSD-4_000519 Prep Date; 05!2212000 <br /> Result PQL SpkVal SpkRefVai %REC LowLimit Hi ht.imit RPD Ref Val 0/.RPD <br /> Tertiary Butyl Alcohol(TBA) g ° Qual <br /> 10 <br /> ethyl tert-butyl ether(MTBE) ND 0..55 <br /> 4*4w,-isopropyl Ether(DIPE) ND 1 <br /> Ethyl Tertiary Butyl Ether(ETRE) ND 1 <br /> Benzene ND 0.5 <br /> Tertiary Amyi Methyl Ether(TAME) ND 1 <br /> Toluene ND 0.5 <br /> Ethylbenzene ND 0.5 <br /> m,p-Xylene ND 0,5 <br /> o-Xylene ND 0.5 <br /> Surr. 1,2-Dichloroethane-d4 9.01 10 9D 68 <br /> Surr:Toluene-d8 13910.4 10 104 75 127 <br /> Surr 4-Bromofluorobenzene 10 10 100 73 128 <br /> Laboratory Control Spike Test Code: SW8260B Batch ID: MS4WO519A Analysis Date: 05/20/2000 01:09 <br /> Sample ID: LCS MS4WO519A Units: pg1L Run ID: GCIMSD_4_000519 Prep Date: 05/20/2000 <br /> Analyte Result PQL SpkVal SpkRefVal %REC LowLimit HighLimit RPD Ref Val %RPD Qual <br /> Methyl tert-butyl ether(MTBE) 8.17 0.5 10 82 70 142 <br /> Benzene 10.4 0.5 10 104 76 127 <br /> Toluene 11.1 0.5 10 111 76 125 <br /> Ethylbenzene 10.8 0.5 10 108 64 132 <br /> m,p-Xylene 23.4 0.5 20 117 70 130 <br /> o-Xylene 11.3 0.5 10 113 70 130 <br /> Sum 1,2-Dichloroethane-d4 9.5 10 95 68 139 <br /> Surr.Toluene-d8 10.2 10 102 75 127 <br /> Sum 4-Bromofluorobenzene 9.49 10 95 73 128 <br /> Sample Matrix Spike Test Code: SW8260B Batch ID: MS4WO519A Analysis Date: 05/20/2000 01:52 <br /> Sample ID: 00051845-OIAMS Units. pglL Run 1D: GCIMSD_4 000519 Prep Date: 05120!2000 <br /> Analyte Result PQL SpkVal SpkRefVal %REC LowLimit HighLimit RPD Ref Val %RPD Qua] <br /> Methyl tert-butyl ether(MTBE) 41.6 2.5 50 0 83 70 142 <br /> Benzene 50 2.5 50 0 100 76 127 <br /> ,jene 52.7 2.5 50 <br /> 0 105 76 125 <br /> Nk..,+ylbenzene 51.9 2.5 50 0 104 64 132 <br /> m,p-Xylene 111 2.5 100 0 111 70 130 <br /> o-Xylene 54.7 2.5 50 0 109 70 130 <br /> Surr: 1,2-Dichloroethane-d4 47.7 50 95 68 139 <br /> Surr:Toluene-d8 49.5 50 99 75 127 <br /> Surr:4-Bromofluorobenzene 48 5o 96 73 128 <br /> Sample Matrix Spike Duplicate Test Code: SW8260B Batch ID: MS4WO519A Analysis Date: 05/20/2000 02:13 <br /> Sample ID: 00051845-01AMSD Units: pg/L Run lD: GCIMSD_4_OOD519 Prep Date: 05120/2000 <br /> Analyte Result PQL SpkVal SpkRefVal %REC LowLimit HighLimit RPD Ref Val %RPD Qual <br /> Methyl tert-butyl ether(MTBE) 41.3 2.5 50 0 83 70 142 41.59 0.724 <br /> Benzene 50.4 2.5 50 0 101 76 127 50.02 0.697 <br /> Toluene 53.1 2..5 50 0 106 76 125 52.69 0.681 <br /> Ethylbenzene 52.2 2.5 50 0 104 64 132 51.85 0.73 <br /> m,p-Xylene 112 2.5 100 0 112 70 130 110.5 0.919 <br /> o-Xylene 55 2.5 50 0 110 70 130 54.68 0.493 <br /> Surr: 1,2-Dichloroethane-d4 48.5 50 97 68 139 <br /> Surr:Toluene-d8 50.2 50 100 75 127 <br /> Surr:4-Bromofluorobenzene 48.4 50 97 73 128 <br /> r-nments: ND-Not Deteetad at the Reporting Limit. D-if the spiked value is<25%of the reference value,recovery should not be calculated. <br /> S-Spike Recovery outside accepted recovery limits. M-Spike Recovery outside accepted recovery limits due to matrix. <br /> B-Analyte detected in the associated Method Blank. <br />