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COLUMBIA ANALYTICAL SERVICES, INC y <br /> Analytical Report <br /> li Client EMCON Associates Date Received 09/02/93 <br /> Project ARCO Project No OG71-038 01 Service Request No SJ93-1101 <br /> ARCO Facility No 2168 Sample Matrix Water <br /> Inorganic Parameters' <br /> I mg/L (ppm) <br /> Sample Name MW-2 (531 Method Blank <br /> Date Sampled 09/02/93 <br /> EPA <br /> Analyte Method MRL <br /> f Total Oil and Grease SM 5520C 0 5 10 ND <br /> Hydrocarbons, IR SM 5520F 0 5 9 0 ND <br />• <br /> ' Unless otherwise noted, all analyses were performed within EPA recommended maximum holding times <br /> specified in Test Methods for Evaluating Sohd Waste, (SW-84(3, 3`°Edition) and Methods for Chemical <br /> Analysis of Water and Waste (EPA-60014-79-020, Revised March 1983) <br /> f� Y <br /> Approved by �'V t `� Date <br /> 3 <br />