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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 /> Analytical 819 Striker Avenue,Suite 8 Sacramento,CA 95834 (916) 921 9600 FAX (916) 921 0100 <br /> uchstone Developments Client Project ID Chevron #9-4183 Sampled Apr 26, 1996 <br /> 1 Kingston Ave Sample Descript Soil, UOSP-3(A-D) Received Apr 26, 1996 <br /> Oakland, CA 94611 Analysis Method EPA 8270 Extracted Apr 29, 1996 <br /> Attention Robert Mallory Lab Number 604-1871 Analyzed Apr 29 1996 <br /> Reported Apr 30, 1996 <br /> OC Batch Number SP0429968270EXA <br /> Instrument)D GC/MS-1 <br /> SEMI-VOLATILE ORGANICS by GC/MS (EPA 8270) <br /> Analyte Detection Limit Sample Results <br /> N9/kg Ng/kg <br /> Hexachlorobenzene 100 N D <br /> Hexachlorobutadiene 100 N D <br /> Hexachlorocyclopentadiene 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- et y nap t a erie 100 230 <br /> 2- et y p eno 100 <br /> 4-Methylphenol 100 N D <br /> Naphthalene 100 N D <br /> 2-Nltroaniline 500 N D <br /> 3-Nitroaniline 500 N D <br /> 4-Nitroaniline 500 N D <br /> 0-Ntrobenzene 100 N D <br /> itrophenol 100 N D <br /> 4-Nitrophenol 500 N D <br /> N-Nitrosodimethylamine 100 N D <br /> N-Nitrosodiphenylamine 100 N D <br /> N-Nitroso-di-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-Trichlorobenzene 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 61 <br /> Phenol-d6 24 113 69 <br /> Nitrobenzene-d5 23 120 85 <br /> 2-Fluorobiphenyl 30 115 93 <br /> 2,4,6-Trtbromophenol 19 122 89 <br /> 4-Terphenyl-d14 18 137 102 <br /> Analytes reported as N D were not present above the stated limit of detection <br /> SEQUOIA ANALYTICAL, #1271 <br /> r <br /> Kevin Van Slambrook <br /> Project Manager Page 2 of 2 <br /> 6041871 TUD <10> <br /> s� <br />