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COLUMBIA ANALYTICAL SERVICES, INC � <br /> QAIQC Report , <br /> Client EMCON Associates Date Received 08/26/93 N <br /> Project EMCON Project No OG71-017 01 Service Request No SJ93-1055 <br /> ARCO Facility No 434 Sample Matrix Water <br /> Matrix Spike/Duplicate Matrix Spike Summary <br /> TPH as Gasoline <br /> EPA Methods 5030/California DHS LUFT Method <br /> !a9/L (ppb) <br /> Sample Name W-1 A (77) <br /> Date Analyzed 09/01/93 <br /> Percent Recovery <br /> Spike CAS <br /> Spike Sample Result Acceptance <br /> Analyte Level Result MS DMS MS DMS Criteria <br /> TPH as Gasoline 250 ND 282 294 113 118 76-130 <br /> Approved by Wr'l Date <br /> 1Q71 Rinnwnnrl 4voni c • <br /> 9 <br /> r— Inco r.. 1- Oc. 4 <br /> T-1--. ,...... AnQ)An7 n.nn <br />