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, ■ , Sequoia <br />680 Chesapeake Drive Rcduood Cit) CA 94063 (415) <br />364 9600 <br />FAX (4151 364 92;3 <br />F•��/� <br />k Analytical <br />1900 Bates Avenue Suite L Concord CA 44520 (510) <br />815 Striker Avenue Suite 8 Sacramento CA 95834 1916) <br />68696M <br />921 9600 <br />FAX {5101 686 9689 <br />FAX �910i 921 01 U0 <br />3/28/95 <br />3/28/95 <br />Instrument identification <br />GCHP-1 GCHP-1 <br />GCHP-1 GCHP-1 <br />Groundwater Technology' <br />Client Project 1D <br />Chevron #9-2033, Stockton, CA <br />Sampled <br />3/15,16/95, <br />1401 Halyard Drive, Suite 140 <br />Sample Matrix <br />Sod <br />Received <br />Mar 22, 1995 <br />West Sacramento, CA 95691 <br />Analysis Method <br />EPA 5030/8015/8020 <br />Reported <br />Apr 4, 1995k` <br />Attention Jason Fedota <br />First Sample # <br />503-1078 <br />TOTAL PURGEABLE <br />PETROLEUM HYDROCARBONS with BTEX DISTINCTION <br />Reporting <br />Sample <br />Sample Sample Sample <br />Sample <br />Sample <br />Analyte Limit <br />I D. <br />I.D. I.D I.D. <br />ID <br />I D. <br />mg/kg <br />503-1078 <br />503-1084 503-1087 503-1088 <br />503-1093 <br />503-1094 <br />MW-1-35 <br />MW-2-15 MW-2-30 MW-2-35 <br />MW-3-10 <br />MW-3-15 <br />Purgeable <br />Hydrocarbons 10 <br />N D <br />N D N D N D <br />N D <br />N D <br />Benzene 00050 <br />N D <br />N D N D N D <br />N D <br />N D <br />Toluene 00050 <br />N D <br />N D N D N D <br />N D <br />N D <br />Ethyl Benzene 00050 <br />N D <br />N D N D N D <br />N D <br />N D <br />rTotal Xylenes 00050 <br />N D <br />N D N D N D <br />N D <br />N D <br />Chromatogram Pattern <br />-- <br />-- -- -- <br />-- <br />-- <br />uuairry L.ontroi uaia <br />Report Limft Multiplication Factor <br />10 10 <br />10 10 <br />10 <br />10 <br />Date Analyzed <br />3/28/95 3/28/95 <br />3/28/95 3/28/95 <br />3/28/95 <br />3/28/95 <br />Instrument identification <br />GCHP-1 GCHP-1 <br />GCHP-1 GCHP-1 <br />GCHP-1 <br />GCHP-1 <br />Surrogate Recovery, °% <br />86 81 <br />91 93 <br />91 <br />84 <br />(QC Limits = 70-130°%) <br />Purgeable Hydrocarbons are quantitated against a fresh gasoline standard <br />Analyies reported as N 0 were not detected at or above the reporting hmrt <br />SEQUOIA ANALYTICAL, ELAP #1624 <br />Linda C Schneider <br />Project Manager <br />5031072 GRw <2> <br />