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Sequoia 680 Chesapeake Drive Redwood City CA 94063 (415) 361 9600 FAX(415) 364 92)3 <br /> 404 N Wlget Lane Walnut Creek CA 94598 (510) Wit 9640 FAX(510) 990 9673 <br /> Analytical 9 1 Sulker Avenue Suue a SJIMM ea CA 95834 (916) 911 9600 FAX(916)9)1 0i0o <br /> nulllllli'!!' � niIIIIIIIRI� "'"411P11 'IIIIIIIIIII Irpryni h- IllitlllPl <br /> 111p111111....� r gnllllhru , IgIILI I , s 11iri8134 ilgiltla 'lllml r. lu dflllpP' nv q' plFlll' '�,{}i!! P,�nvlronmental Resolutions Inulilll uuuil unwl u, n{Illnl <br /> Client Prof ID Unocal SS# 5886 205503 Sampled 04/15/97 <br /> 74 Digital Drive , Suite 6 Sample Descrlpt SP-1-(1 2,3,4) Comp Received 04/18/97 <br /> Novato, CA 94949 Matrix SOLID Extracted 04/24/97 <br /> Analysis Method EPA 8015 Mad Analyzed 04/25/97 <br /> III Attention Keith Romstad Lab Number 97041312-01 <br /> IIIIIIIII 111'r fl° - - pp Alllti3 s S _ 'x11111111 W Ills I "9rU IIi "uu1111 IIII I hf - '•IIl VIII Reported eported 04 f 2 97 <br /> 'IIIIIIIIF�II "IJIl11il'r 'lilllll n911h141 t'llll'i' 11111111{1 n s „Illliltillfll III1III'lll IIIIi1�lrw <br /> OC Batch Number GC0421970HBPEXA <br /> Instrument 10 GCHP4A <br /> Tota! Extractable Petroleum Hydrocarbons (TEPH) <br /> Analyte Detection Limit Sample Results <br /> mg/Kg m9/Kg <br /> TEPH as Diesel 1 0 <br /> Chromatogram Pattern 1 7 <br /> Unidentified HC <br /> C9-C24 <br /> i <br /> Surrogates Control Limits % % Recovery <br /> n-Pentacosane (C25) 50 150 64 <br /> Pnalynes reported as N D were not present above the stated limit of detection <br /> SEQUOIA ANALYTICAL_ - ELAP #1210 <br /> vin Follett <br /> Project Manager <br /> Page 3 <br />