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Sequoia 680 Chesapeake Drive Redwood City CA 94063 (415) 364 9600 FAX(415) 364 9233 <br /> 404 N Wiget Lane Walnut Creek,CA 94598 (510) 988 9600 FAX(510)988 9673 <br /> Analytical 819 Striker Avenue State 8 Sacramento CA 95834 (916) 921 9600 FAX(916)911 0100 <br /> Geocon Client Project it) $8080-06-03 Sampled 'Jun 30,, 1995 <br /> 3235 Sunrise Blvd , Suite 6 Sample Matrix Water Received Jun 30, 1995 <br /> Rancho Cordova, CA 95742 Analysis Method EPA 5030/8015/8020 Reported Jul 17„ 1995 <br /> Attention Rick Walls f=irst Sample# 506-1826 <br /> ' TOTAL PURGEABLE PETROLEUM HYDROCARBONS with BTEX DISTINCTION <br /> Reporting Sample Sample Sample Sample Sample Sample <br /> ' Analyte Limit I D I D I D I D I D I D. <br /> pg/L 506-1826 506-1827 506-1828 506-1829 506-1830 506-1831 <br /> MW-1 MW--2 MW-3 MW-4 MW 5 Travel Blank <br /> ' Purgeable <br /> Hydrocarbons 50 200 140 870 N D 100 N D <br /> ' Benzene 050 7 7 16 64 2 0 10 N D <br /> ' Toluene 050 22 29 87 39 1 4 N D <br /> Ethyl Benzene 050 55 1 3 29 092 N D N D <br /> ' Total Xylenes 0 50 27 39 13 41 18 N D <br /> Chromatogram Pattern Gasoline <br /> C6 C12 <br /> Quality Control Data <br /> Report Limit Multiplication Factor 10 10 10 10 10 10 <br /> tDate Analyzed 7/12/95 7/12/95 7/12/95 7/12/95 7/12/95 7/12/95 <br /> Instrument Identification GCHP-1 GCHP-1 GCHP-1 GCHP-1 GCHP-1 GCHP-1 <br /> Surrogate Recovery, % 71 77 104 88 81 86 <br /> (OC Limits = 70-130%) <br /> Purgeable Hydrocarbons are quantitated against a fresh gasoline standard <br /> Analytes reported as N D were not detected at or above the reporting limit <br /> SEQUOIA ANALYTICAL, ELAP #1624 <br /> Janet H n <br /> Protect Manager <br /> 5061826 GEC; <1> <br />