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j SEQUOIA ANALYTICAL <br /> 680 Chesapeake Dnve - Redwood City, CA 94063 <br /> (415) 364-9600 - FAX(415) 364-9233 <br /> -------------------- <br /> RESNA Client"ect lD- W0475.Weber Point Sampled- Oct 1. 1992 <br /> 1710 Main Street Sample Matrbc Air Received: Oct 1, 1992 <br /> Escalon, CA 95320 Analysis Method: EPA 5030/8015/8020 Reported- Oct 6. 1992 <br /> Attention: Gre Stahl Flrst Sample : 210-0032 <br /> TOTAL PURGEABLE PETROLEUM HYDROCARBONS with BTIX DISTINCTION <br /> Reporting Sample <br /> Analyte Limit I.D. <br /> Ng/L 210-0032 <br /> INFL <br /> Purgeable <br /> Hydrocarbons 5.0 1.100 <br /> Benzene 0 050 40 <br /> Toluene 0.050 42 <br /> • Ethyl Benzene 0 050 32 <br /> Total Xylenes 0.050 210 <br /> Chromatogram Pattern: GW <br /> Quality Control Data <br /> Report Limit Multiplication Factor. 50 <br /> Date Analyzed- 10/2/92 <br /> Instrument Identfication: GCHP-6 <br /> Surrogate Recovery, % 104 <br /> (OC Limits = 70-130%) <br /> Purasable Hydrocarbons are quantitated against a fresh gasoline standard <br /> Analytes reported as N D were not detected above the stated ngxxgnq Urnit. <br /> �EOUOIA ANALYTICAL <br /> Ot <br /> #reKc Manager 210003ZWAT <1> <br />