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Sequoia 680 Chesapeake Drive Redwood City CA 94063 (650) 364-9600 FAX(650)364-9Z33 <br /> 404 N Wiget Lane Walnut Creek CA 94598 (510)988 9600 FAX(510)988-9673 <br /> Sl9 Striker Avenue Suite 8 Sacramento CA 95834 (916)9Z1-9600 FAX(916)911-0100 <br /> frlll� Analytical 1455 McDowell Blvd North Ste D Petaluma,CA 94954 (707)792-1865 FAX(707)79Z 0341 <br /> Blaine Tech Services Client Prot ID Chevron 9-2033/980521-L1 Sampled 05/21/98 <br /> 1680 Rogers Avenue Sample Descript MW-1 Received 05/22/98 <br /> San Jose, CA 95112 Matrix LIQUID Extracted 05/26/98 <br /> Analysts Method EPA 8270 Analyzed 05/28/98 <br />„ Attention Fran Thie Lab Number 9805E75-01 Reported 06J03/98 <br /> QC Batch Number MS0526988270EXA <br /> Instrument ID F4 <br /> Analyte Detection Limit Sample Results <br /> ug/L ug/L <br /> Fluorene 50 N D <br /> Hexachlorobenzene 50 N D <br /> Hexachlorobutadiene 50 N D <br /> Hexachlorocyclopentadiene 10 N D <br /> Hexachloroethane 50 N D <br /> Indeno(1,2,3-cd)pyrene 50 N D <br /> Isophorone 50 N D <br /> 2-Methylnaphthalene 50 N D <br /> 2-Methylphenol 50 N D <br /> 4-Methylphenol 50 N D <br /> Naphthalene 50 N D <br /> 2-Nitroaniline 10 N D <br /> 3-Nitroaniline 10 N D <br /> 4roaniline 10 N D <br /> benzene 50 N D <br /> 2-Nitrophenol 50 N D <br /> 4-Nitrophenol 10 N D <br /> n-Nitrosodiphenylamine 50 N D <br /> n-Nitroso-di-n-propylamine 50 N D <br /> Pentachlorophenol 10 N D <br /> Phenanthrene 50 N D <br /> Phenol 50 N D <br /> Pyrene 50 N D <br /> 1,2,4-Trichlorobenzene 50 N D <br /> 2,4,5-Trichlorophenol 10 N D <br /> 2,4,6-Trichlorophenol 50 N D <br /> Surrogates Control Limits % % Recovery <br /> 2-Fluorophenol 21 110 41 <br /> Phenol-d5 10 110 28 <br /> Nitrobenzene-d5 35 114 67 <br /> 2-Fluorobiphenyl 43 116 70 <br /> 2,4,6-Tribromophenol 10 123 97 <br /> p-Terphenyl-d14 33 141 93 <br /> Analytes reported as N D were not present above the stated limit of detection <br /> SEQUOIA ANALYTICAL - CLAP 01210 <br /> s <br /> gory <br /> Project Manager <br /> Page 7 <br />