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COLUMBIA ANALYTICAL SERVICES, INC. <br /> Analytical Report <br /> Client: EMCON Associates Date Received: 09/03/93 <br /> Project: ARCO Project No. OG71-033.01 Service Request No.: SJ93-1102 <br /> ARCO Facility No. 548 Sample Matrix: Water <br /> Inorganic Parameters' <br /> mg/L (ppm) <br />* Sample Name: MW-1 5_6) Method Blank <br /> Date Sampled: 09/02/93 <br /> EPA <br /> Method MRL <br />• <br /> Total Oil and Grease SM 5520C 0.5 ND NO <br /> Hydrocarbons, IR SM 5520F 0.5 ND , ND <br />• <br />• <br /> ' Unless otherwise noted, ail analyses were performed within EPA recommended maximum holding times <br /> specified in Test Methods for Evaluating Solid Waste, (SW-846, 3rd Edition) and Methods for Chemical <br /> Analysis of Water and Waste (EPA-600/4-79-020, Revised March 1983). <br /> Approved by: Date: <br /> •�-—�-� <br />