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Date: 21-May-99 <br />Specialty Analytical <br />_ -__ _ _ _ <br /> <br />__ <br />- _ <br /> <br />- <br />- <br />-- - - <br />- <br />CLIENT: - <br />_ <br />-- _ <br />--- - . <br />Century West Engineering - <br />_ _ <br /> <br />QC SUMMARY REPORT <br />Work Order: 9904157 Continuing Calibration Verification Standard <br />Project: 4080600124/4102 - Courthouse <br /> Date 4/29N999 <br />Pre <br /> Batch ID: 1389 Test Code: NWTPH-Gx Units: mglKg Analysis p <br />Date 4I30/1999 <br />Sample ID ccv <br />Client ID: 9904157 Run ID: GC-I_990430A SeqNo: 38703 <br /> Result PQL SPK value SPK Ref Val °/aREC LowLimit HighLimit RPD Ref Val %RPD RPD~imit Qual <br />Analyte - -- __ _ <br />-- _ <br />_. <br /> . _ _- <br />- <br />2097 <br />2.5 <br />2000 <br />0 <br />104.8% <br />80 <br />120 <br />Gasoline <br /> Date 511 911 9 9 9 <br />Pre <br /> S-5/20/ <br />Batch ID: BTEX Test Code: SW8021A Units: mg/Kg p <br />Analysis Date 5/20/1999 <br />Sample ID ccv _ <br />Client ID: 9904157 Run ID: GC-H 990520B SeqNo: 40511 <br /> Result PQL SPK value SPK Ref Val %REC LowLimit HighLimit RPD Ref Val %RPD RPDLimit Qual <br />Analyte <br />--- <br />-- -- <br />- -- -- <br />- -- <br />_ - <br />__- - <br />---- __ _ _ <br />46 <br />03 <br />0.05 <br />50 <br />0 <br />92.1% <br />85 <br />115 <br />Benzene . <br />98 <br />47 0.1 50 0 96.0°/a 85 115 <br />Ethylbenzene . <br />9 <br />47 0.1 50 0 95.8°/a 85 115 <br />Toluene . 3 <br />0 150 0 96.8°/a 85 115 <br />Total <br />es <br />l <br />X 145.2 . , <br />en <br />y <br /> <br /> S-51201 Test Code: <br />Batch ID: BTEX SW8021A Units: mglKg Analysis Date 5119/1999 <br />Sampie ID ccv _ <br />Client ~D: 9904157 Run ID: GC-H_990520B SeqNo: 40518 <br /> Result PQL SPK value SPK Ref Val %REC LowLimit HighLimit RPD Ref Val <br />Analyte - - - <br />- <br /> 56 <br />48 0.05 50 0 97.1 % 85 115 <br />Benzene . <br />56 <br />49 0.1 50 0 99.1 % 85 115 <br />Ethylbenzene . <br />81 <br />49 0.1 50 0 99.6% 85 115 <br />Toluene . <br />3 <br />149 0.3 150 0 99.5% 85 115 <br />Xylenes, Total . <br />Prep Date 5/19/1999 <br />%RPD RPDLimit Qual <br />1 of 1 <br />