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COLUMBIA ANALYTICAL SERVICES. INC. <br /> s, <br /> Analytical Report <br /> Client EMCON Associates Date Received 08/26/92 "! <br /> Project: EMCON Project No G71-38 01 Work Order # SJ92-1071 <br /> Arco Facility No 2168 Sample Matrix Water <br /> Inorganic Parameters' <br /> mg/L (ppm) <br /> Sample Name MW-2 Method Blank <br /> Date Sampled 08/24/92 <br /> I <br /> Analyte Method MRL <br /> Total Oil and Grease 55208 05 06 ND <br /> Hydrocarbons, Gravimetric 5520F 05 ND ND <br /> 1 <br /> MRL Method Reporting Limit <br /> ND None Detected at or above the method reporting limit <br /> ' Unless otherwise noted, all analyses were performed within EPA recommended maximum holding times <br /> specified in Test Methods for Evaluating Solid Waste, (SW-846,3 Id Edition) and Methods for Chemical Analysis <br /> 1 of Water and Waste (EPA-60014-79-020, Revised March 1983) <br /> 1 <br /> 1 <br /> 1 <br /> Approved by [ lr•CQ _ _ _Date -�- <br /> I <br /> 2 <br />