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t COLUMBIA ANALY'T'ICAL SERVICES,INC. <br /> Analytical Report <br /> • Client: EMCON Associates Service Request: L951491 <br /> Project: Federated-Frank's Exxon/# 2520-100.01 Date Collected: 2121195 <br /> Sample Matrix: Water Date Received: 2127195 <br /> Date Extracted: 311195 <br /> Total Petroleum Hydrocarbons as Diesel <br /> EPA Method Modified 8015/California DHS LUF17 Method <br /> Units: gg/L(ppb) <br /> Sample Name Lab Code Date Analyzed MRL Result <br /> MW-1 L951481-001 3/3/95 50 920* <br /> MW-2 L951481-002 3/3195 50 2000* <br /> MW-3 L951481-003 3/3/95 50 2400* <br /> MW4 L951481-004 3/3/95 50 130* <br /> Method Blank L951481-MB 313195 50 ND <br /> i <br /> NA Not Applicable <br /> MRL Method Reporting Limit <br /> ND None Detected at or above the method reporting limit. <br /> Chromatogram fingerprint is not characteristic of diesel; however, hydrocarbons in the gasoline time <br /> • range were detected. <br /> Approved By: EDate: // s <br /> I AMRL"71594 <br /> 0 2 <br /> L951481-X S-8015a 37195 Pegs No <br /> 6925 CANOGA AVENUE ■ CANOGA PARK,CA 91303 ■ 818 587-5550 ■ FAX 818 587-5555 <br />