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SENT BT: XtNUX Telecopier '101y; )u- 2-55 41504a1J btu tl4'L t3252;ii 2 <br /> ID Sequoia 680 Chesapeake Drive' Redwood City,CA 94063 (415) 364.9600 FAX(415)364-9233 <br /> 404 N.WI9et Lane Walnut Creek,CA 94598 (510) 9889600 FAX(510)988.9673 <br /> Analytical 819 Striker Avenue,Suite 8 Sacramento,CA 95834 (916) 921-9600 FAX(9 16)921.0100 <br /> Touchstone Developments Client Project ID: 9-1452,Chevron 9-1452 Sampled: Sep 27, 1995 <br /> 5807 Balboa Drfve Sample Matrix: Solid Received: Sep 28, 1995. <br /> Oakland,CA 94811 Analysts Method: EPA 8015 Mod,/8020 Reported: Oct 2, 1995 <br /> Attention• Robert Mallor� First Sam le 9509138-01 <br /> TOTAL PURGEABLE PETROLEUM HYDROCARBONS with BTEX DISTINCTION <br /> Reporting Sample Sample <br /> Analyte Limit I.D. 1.0, <br /> Mg/kg 9509138-01 9509138-05 <br /> SP-1 (A D) SP-2(,4.D) <br /> Purgeable <br /> Hydrocarbons 1.0 N.D. N.D. <br /> Benzene 0.0050 N.D. N.D. <br /> I <br /> Toluene 0.0050 N.D. N.D. <br /> Ethyl Benzene 0.0050 N.D. N.D. <br /> Total Xylenes 0.0050 N.D. N.D. <br /> Chromatogram Pattern: -. .. <br /> Quality Control Data <br /> Report LIMIt <br /> Multiplication Factor: 1.0 1.0 <br /> Date Analyzed: 9/29/96 9/29/95 <br /> Instrument Identlflcatlon: GCHP18 GCHP18 <br /> Surrogate Recovery, %: 101 99 <br /> (OC Umits = 70-130%) <br /> Purgeable Hydrooarbons are quantitated against a fresh gasoline standard. <br /> Analytes reported as N.D.were not deteoted above the stated reporting limit. <br /> SEQUOIA ANALYTICAL <br /> Mark J.Cargasacchl <br /> Project Manager 860ai88 M <3> <br />