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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 /> X1,7 Analytical 819 Striker Avenue Suite 8 Sacramento CA 95834 (916) 921 9600 FAX(916)921 0100 <br /> uchstone Developments Client Project 10 Chevron #9-4183 Sampled Apr 26, 1996 <br /> 81 Kingston Ave Sample Descrlpt Soil, WOX-B-21 0 Received Apr 26, 1996 <br /> Oakland, CA 94611 Analysis Method EPA 8270 Extracted May 1, 1996 <br /> Attention Robert Mallory Lab Number 604-1948 Analyzed May 2, 1996 <br /> Reported May 6, 1996 <br /> QC Batch Number SP0429968270EXA <br /> Instrument ID GC/NES-1 <br /> SEMI-VOLATILE ORGANICS by GC/MS (EPA 8270) <br /> Analyte Detection Limit Sample Results <br /> Ng/kg Ng/kg <br /> Hexachlorobenzene 100 N D <br /> Hexachlorobutadlene 100 N D <br /> Hexac hl oro cyclo pentad ie ne 100 N D <br /> Hexachloroethane 100 N D <br /> Indeno(1,2,3-cd)pyrene 100 N D <br /> Isophorone 100 N D <br /> 2-Methylnaphthalene 100 N D <br /> 2-Methylphenol 100 N D <br /> 4-Methylphenol 100 N D <br /> Naphthalene 100 N D <br /> 2-Nitroanillne 500 N D <br /> 3-Nitroanillne 500 N D <br /> 0 Nitroaniline 500 N D <br /> Itrobenzene 100 N D <br /> 2-Nltrophenol 100 N D <br /> 4-Nltrophenol 500 N D <br /> N-Nitrosodlmethylamine 100 N D <br /> N-Nitrosodlphenylamine 100 N D <br /> N-Nitroso-dl-N-propylamine 100 N D <br /> Pentachlorophenol 500 N D <br /> Phenanthrene 100 N D <br /> Phenol 100 N D <br /> Pyrene 100 N D <br /> 1,2,4-Tnchlorobenzene 100 N D <br /> 2,4,5-Trichlorophenol 500 N D <br /> 2,4,6-Trichlorophenol 100 N D - <br /> Surrogates Control Limit % % Recovery <br /> 2-Fluorophenol 25 121 75 <br /> Phenol-d6 24 113 82 <br /> Nitrobenzene-d5 23 120 90 <br /> 2-Fluorobiphenyl 30 115 97 <br /> 2,4,6-Trlbromophenol 19 122 81 <br /> 4-Terphenyl-d 14 18 137 110 <br /> Analytes reported as N D were not present above the stated limit of detection <br /> SEQUOIA ANALYTICAL, #1271 <br /> 4k)"�' ""-k <br /> Kevin Van Slambrook <br /> Project Manager Page 2 of 2 <br /> 5041944 TUD <10> <br /> ,91X <br />