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1a) <br /> Sequoia 680 Chesapeake Drive Redwood City CA 94063 (4t5) 364 9600 FAX (415) 364 9233 <br /> 404 N Wiget Lane Walnut Creek CA 94598 (510) 988 9600 FAX(5101 988 9673 <br /> ViOAnalytical 819 Sinker Avenue Suite 8 Sacramento CA 95834 (9 16) 921 9600 FAX(916)921 Moo <br /> 40 <br /> Touchstone Developments Client Prol ID Chevron 9-4183 /9-4183 Sampled 04/10/96 <br /> 781 Kingston Ave Sample Descript UOSP-2(A-D) Received 04/10/96 <br /> Oakland, CA 94611 Matrix SOLID Extracted 04/15/96 <br /> Analysis Method EPA 8270 Analyzed 04/15/96 <br /> Attention Robert Mallory Lab Number 9604898-07 Reported 04f19/96 <br /> OC Batch Number MSO415968270EXA <br /> Instrument ID F4 <br /> Analyte Detection Limit Sample Results <br /> ug/Kg ug/Kg <br /> 2,6-Dinitrotoluene 25000 N D <br /> Dl-n-octyl phthalate 25000 N D <br /> Fluoranthene 25000 N D <br /> Fluorene 25000 N D <br /> Hexachlorobenzene 25000 N D <br /> Hexachlorobutadiene 25000 N D <br /> Hexachlorocyclopentadiene 50000 N D <br /> Hexachloroethane 25000 N D <br /> Indeno(1,2,3-cd)pyrene 25000 N D <br /> Isophorone 25000 N D <br /> 2-Methylnaphthalene 25000 N D <br /> 2-Methylphenol 25000 N D <br /> 4-Methylphenol 25000 N D <br /> Naphthalene 25000 N D <br /> 0troaniline 50000 N D <br /> 1troantline 50000 N D <br /> 4-Nitroanillne 50000 N D <br /> Nitrobenzene 25000 N D <br /> 2-Nitrophenol 25000 N D <br /> 4-Nitrophenol 50000 N D <br /> N-Nltrosodiphenylamine 25000 N D <br /> N-Nitroso-di-n-propylamine 25000 N D <br /> Pentachlorophenol 50000 N D <br /> Phenanthrene 25000 N D <br /> Phenol 25000 N D <br /> Pyrene <br /> 1 2,4-Trichlorobenzene 25000 N D <br /> 2,4,5-Trichlorophenol 50000 N D <br /> 2,4,6-Trichlorophenol 25000 N D <br /> Surrogates Control Limits % % Recovery <br /> 2-Fluorophenol 25 121 0 <br /> Phenol-d5 24 113 0 <br /> Nitrobenzene-d5 23 120 0 <br /> 2-Fluorobiphenyl 30 115 0 <br /> 2,4,6-Tnbromophenol 19 122 0 <br /> p-Terphenyl-d 14 18 137 Q <br /> Analytes reported as N 0 were not present above the stated limit of detection <br /> SEQUOIA ANALYTICAL - ELAP #1210 <br /> -142 <br />{evm Follett <br />'rolect Manager <br /> Page 15 <br />