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COLUMBIA ANALYTICAL SERVICES, INC. <br /> anaivtical Report <br /> • Client: EMCON Associates Date Received: 12122/93 <br /> Project: ARCO Project No. OG71-033.01 Service Request No.: SJ93-1565 <br /> ARCO Facility No. 548 Sample Matrix: Water <br /> Inorganic Parameters <br /> mgiL Ipi3ml <br /> Sample Name: MW-1 (56) Method Blank <br /> Date Sampled: 12/16/93 <br /> EPA <br /> Analyte Method MRL <br /> Total Oil and Grease <br /> SM 5520C 0.5 SID ND <br /> Hydrocarbons, IR SM 5520F 0.5 ND ND <br /> Unless otherwise noted, all analyses were performed within EPA recommenced maximum holding times <br /> specified in Test Methods for Evaluatinq Solid Waste, (SW-846, 3"Edition, and Methods for Chemical <br /> Analysis of Water and Waste (EPA-60014-79-020. Revised March 1983). <br /> SM Standard Methods for the Examination of water and Wastewater, 17th Ed.. 1989 <br /> i <br /> Approved by: —_--�Q/�C fC.� - _ Date: <br /> 3 <br /> 40'14 07--.,,.-....4 •,......... <__ _.. -, _._ - �. .., -_ _ <br />