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Sequoia 680 Chesapeake Drive Redwood City,CA 94063 (41 S) 364-%W FAX(415) 364 9233 <br /> I:i)- 404 N eget Lane Walnut Creek,CA 94598 {510} 9$$ 9600 FAX(510)988 9673 <br /> Analytical 819 Sinker Avenue,Suite 8 Sacramento,CA 95$34 (916) 921 9600 FAX(916)921 0100 <br /> M r`4 iWiyYHYi"A^A O7ry, �1h9r.t9h5..r.Cliet projecID Shell;141 N Dorado,Stockton, A ugra Nestnc Sampled <br /> 1050 Melody Lane, Ste 160 Sample Matrix Air Received Jun 9, 1995 , <br /> ,} Roseville, CA 95678 Analysis Method EPA 5030/8015/8020 Reported Jun 23, 1995 <br /> f Attention Sudhakar Talanki First Sample# 506-0577 <br /> } .C,« r°aa's r'ai .,,. x Nr` ,,,,.. .,....,n ., r . c,r°, ...s d`[r ci �a "+ `,,,s v.<a...�,v A.<>.r v..v r: .. '-7 <br /> TOTAL PURGEABLE PETROLEUM HYDROCARBONS with BTEX DISTINCTION <br /> Reporting Sample Sample Sample <br /> Analyte Limit I.D. I.D. I.D <br /> ppmv 506-0577 506-0578 506-0579 <br /> INF Q 1345 G-1 EFF Q C-2 EFF @ <br /> 1340 1335 <br /> Purgeable <br /> Hydrocarbons 14 12 54 N D <br /> Benzene 0.016 N D N D N D <br /> Toluene 0 013 0 029 0 024 0 023 <br /> Ethyl Benzene 0 012 0 032 0 035 N D <br />• Total Xylenes 0 012 0.37 030 N D <br /> Chromatogram Pattern C7-1012 C7-C12 -- <br /> Qualdy Control Data <br /> Report Limit Multiplication Factor 10 1 0 10 <br /> Date Analyzed 6/9/95 6/9/95 6/9/95 <br /> Instrument Identification GCHP-2 GCHP-2 GCHP-2 <br /> Surrogate Recovery, % 91 89 89 <br /> (OC Limits = 70-130%) <br /> Purgeabie Hydrocarbons are quantitated against a fresh gasoline standard <br /> Analytes reported as N a were not detected at or above the reporting limit <br />• SEQUOIA ANALYTI AAL, FLAP #1624 <br /> Linda C Schneider <br /> Project Manager <br /> �q 5060577 FUG a 1> <br />