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9169210100 SEQUOIA RNALYTICAL S 253 P02 SEP 26 '94 09:31 <br /> Sequoia 680 Chewpeak,e Drive Redwood City CA 94069 (415) 964-9600 FAX(415) 364 9233 <br /> 1900 Bates Avenue,Suite L Concord,CA 94520 (510) 686-9600 FAX(510) 686%89 <br /> Analytical a19 Striker Avenue,Suite a Sacramento CA 95834 (916) 921-9600 FAX(916) 921 0100 <br /> R <br /> �..� ,.,eeaw,W! �rww<a ..w Ewo-a✓. `s'°rw 7tw.w.�..�..-.,.�.. v ''^ ... <br /> Woes nC CIiB�i'rq ect Shell, 141 N Q Dorado,5tackfion,CA ampl Sep 199 <t <br /> R'- Osco Melody Lane, Ste 160 Sample Matrix Air Received Sep 20, 7994;1 <br /> Roseville, CA 95678 Analysis Method EPA 6030/8015/8020 Reported Sop 23, 994; <br /> ' Attention Paul Graff First Sample# 409-0800 <br /> ki}S-ki.Z,..,..�.�_....� ,..., a.�'L'Y.:,a...'^SG+i�t..dH�a.. .� . .s.-o..�w.«.._we.. kf� a i..p.gi,�•yt.�.:y...,..ee <br /> TOTAL. PURGEABLE PETROLEUM HYDROCARBONS with BTEX DISTINCTION <br /> Reporting Sample Sample Sample <br /> Analyte limit I.D. W. I.D. <br /> ppmv 409-0800 409-0801 409-0802 <br /> INF Q G2 EFF 0 G7 EFF @ <br /> 1055 HR$ 1033 HFIS 1043 HRS <br /> --70-rgeable <br /> Hydrocarbons 14 45 N D 22 <br /> Benzene 0 016 N D N D 0 016 <br /> Toluene 0 013 0 048 N D 0 061 <br /> Ethyl Benzene 0 012 020 N D 039 <br /> Total Xylenes 0 012 1 8 N D 30 <br /> Chromatogram Pattern ce-C12 ce-012 <br /> Quality Control Data <br /> Report Limit Multiplication Factor 1 0 10 1 0 <br /> Date Analyzed 9/21/94 9/21/94 9/21/94 <br /> Instrument Identification GCHP-2 GCHP-2 GCHP-2 <br /> Surrogate Recovery, °/a 101 92 79 <br /> (OC Limits = 70-130%) <br /> Purgeable Hydrocarbons are quantitated against a fresh gasoline standard <br /> Analytes reported as N D were not datacted at or above the reporting limet <br /> SEQUOIA ANAnLYTICAL,�FLLApP#1624 <br /> Enda C. Schneider <br /> Project Manager <br /> 4090800 F1JG e2y <br />