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Sequoia 680 Chesapeake Dnve Redwood City CA 94063 (415) 364 9600 FAX(415) 364 9233 <br /> 4x) <br /> Analytical 1900 gates Avenue Suite L Concord CA 94520 (510) 686 9600 FAX(510) 686 9689 <br /> 819 Striker Avenue,Suite 8 Sacramento CA 95834 (916) 921 9600 FAX(916)921 0100 <br /> RESNA Client Project I D 150077 01, Holt Brothers Sampled Jun 6,+ 1994 <br /> 1710 Main Street Sample Matrix Water Received Jun 6, 1994 <br /> Escalon, CA 95320 Analysis Method EPA 5030/8015 Mod /8020 Reported Jun 22, 1994 <br /> Attention Jahn Lane First Sample # 4F33801 <br /> a , <br /> TOTAL PURGEABLE PETROLEUM HYDROCARBONS with BTEX DISTINCTION <br /> Reporting Sample Sample Sample Sample <br /> Analyte Limit I D I D 10 1 D <br /> Ng/L 4F33801 4F33802 4F33803 41733804 <br /> HBS MW-1 HBS MW-2 HBS MW-5 HBS MW-6 <br /> Purgeable <br /> Hydrocarbons 50 18,000 N D 180 N D <br /> Benzene 050 550 N D 2 0 N D <br /> Toluene 050 30 N D N D N D <br /> Ethyl Benzene 0 50 180 N D N D N D <br />• <br /> Total Xylenes 050 460 N D 074 N D <br /> Chromatogram Pattern Gas -- Gas - <br /> Quality Control Data - - <br /> Report Limit Multiplication Factor 40 10 1 0 10 <br /> Date Analyzed 6/9/94 6/9/94 6/9/94 6/9/94 <br /> Instrument Identification GCHP-3 GCHP-2 GCHP-3 GCHP-3 <br /> Surrogate Recovery, % 98 87 97 89 <br /> (OC Limits = 70-130%) <br /> Purgeable Hydrocarbons are quantitated against a fresh gasoline standard <br /> Analytes reported as N D were not detected above the stated reporting limit <br /> SEQUOIA ANALYTICAL <br /> N-faaJ, <br /> Vickie Tague Clark <br /> Project Manager 4F33801 WAT 45> <br />