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Sequoia680 Chesapeake Drive Redwood City CA 94063 (415) 364 9600 FAX(415) 364 9233 <br /> 404 N Wtget Lane Walnut Greek 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 /> �„�� <br /> 40uchstone Developments Client Project 1D 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 /> QC Batch Number SP0429968270EXA <br /> Instrument ID GC/MS t <br /> SEMI-VOLATILE ORGANICS by GC/MS (EPA 8270) <br /> Analyte Detection Limit Sample Results <br /> N9/kg N9/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 ene 100 230 <br /> 2- et y p eno 100 <br /> 4-Methylphenol 100 N D <br /> Naphthalene 100 N D <br /> 2-Nitroandtne 500 N D <br /> 3-Nitroaniline 500 N D <br /> 4-Nitroandme 500 N D <br /> Q-,trobenzene 100 N D <br /> ttrophenol 100 N D <br /> 4-Nttrophenol 500 N D <br /> N-Nitrosodimethylamine 100 N D <br /> N-Nltrosodlphenylamine 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-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 61 <br /> Phenol-d6 24 113 69 <br /> Nitrobenzene-d5 23 120 85 <br /> 2-Fluorobiphenyl 30 115 93 <br /> 2,4,6-Tribromophenol 19 122 89 <br /> 4-Terphenyl-d 14 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 />