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ERM-West'Walnut Creekl Project UPRR Stockton 936 East Weber <br /> 1777 Botelho Dr Suite 260 Project Number 8187 25 Reported <br /> Walnut Creek CA,94596 Project Manager Wade Starnes 11/07/01 14 19 <br /> Gasoline Range Hydrocarbons by EPA 8015M-Quality Control <br /> North Creek Analytical-Bothell <br /> Reporting Spike Source %RFC RPD <br /> Analyte Result Limit Units Level Result %RFC Limits RPD Limit Notes <br /> Batch 1KO5005 Prepared 11/05/01 Using EPA 5030B(PIT) <br /> Blank 1K05005-BLKI <br /> ' Gasoline Range Hydrocarbons ND 500 ug/l <br /> Surrogate 4-8FB(FID) 41 7 480 869 62-139 <br /> LCS 1K05005-BS1 <br /> ' Gasoline Range Hydrocarbons 490 500 ug/l 500 980 80-120 <br /> Surrogate 4-BFB(FID) 479 480 998 62-139 <br /> LCS Du 1K05005-BSD1 <br />' Gasoline Range Hydrocarbons 479 500 ug/l 500 95 8 80-120 2 27 25 <br /> Surrogate 4-BFB(FID) 482 480 100 62-139 <br /> Matrix S ike(1 K05005-MS 1) Source BlKO063-02 <br /> Gasoline Range Hydrocarbons 416 Soo ug/l 500 ND 79 3 70-130 <br /> Surrogate 4-BFB(FID) 459 480 95 6 62-139 <br />' Matrix Spike Dup(IK05005-MSDI) Source-'BIK0063-02 -- <br /> Gasoline Range Hydrocarbons 447 Soo UO 500 ND 85 5 70-130 7 18 25 <br /> Surrogate 4-BFB(FID) 472 480 983 62-139 <br /> North Creek Analytical-Bothell Tire results in this report apply to the samples analyzed in accordance with the <br /> chain of custody document This analytical report must be reproduced in its <br /> w f <br /> entirety <br /> Page 3 of 4 <br /> Kirk Gendron,Project Manager <br /> r <br />