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Sequoia 680 Chesapeake drive Redwood City C.A.94063 (650) 364-9500 TAX(650)364-9233 <br /> 404 N Wiget Lane Walnut Creek.CA 94598 _ (925)988-9600 FAX(925)988-9673 <br /> 819 Striker Avenue Suite 8 Sacramento.CA 9_583 (916}9-21_-9600 FAX(916)921-0100 <br /> Analytical 1455 McDowell Blvd North Ste D Petaluma,CK-94954 (707)792-1865 FAX(707)792-0342 <br /> o f ,� w,,,,A 4 A ♦ ^v 5+) -v v♦}( n v f{ }rrn <br /> S ~ <br /> Se�'-Ryan -'Dublin rr Client ProjecttlD �Unocai SS#5417, Manteca l n Sampledn XFeb 22, 1999` <br /> 6747 Sierra Court, Suite J Sample Matrix Water i Received Feb 22, 1999 <br /> 13 <br /> Dublin, CA 94568 Analysis Method EPA 5030/8015 Mod /8020 Reported Mar 10, 1999 <br /> Attention Deanna Harding First Sample # 902-2174 <br /> TOTAL PURGEABLE PETROLEUM HYDROCARBONS with BTEX / MTBE <br /> Reporting Sample Sample Sample Sample <br /> Analyte Limit ID I.D. LD ID <br /> dig/L 902-2174 902-2175 902-2176 902-2177 <br /> TB-LB MW-1 MW-2 MW-3 <br /> Purgeable <br /> Hydrocarbons 50 N D N D 500 N D <br /> Benzene 0 50 N D N D N D N D <br /> Toluene 0 50 N D N D N D N D <br /> Ethyl Benzene 050 N D N D N D N D <br /> 9potal Xylenes 050 N D N D N D N D <br /> MTBE 25 ND ND ND ND <br /> Chromatogram Pattern -- -- Gasoline & -- <br /> Unidentified <br /> Hydrocarbons <br /> C6-C12 <br /> Quality Control Data <br /> Report Limit Multiplication Factor 1 0 1 0 4 0 1 0 <br /> Date Analyzed 3/4/99 3/4/99 3/4/99 3/4/99 <br /> Instrument Identification HP-4 HP-4 HP-4 HP-4 <br /> Surrogate Recovery. % 94 97 92 101 <br /> (DC Limits = 70-130°6} <br /> Purgeable Hydrocarbons are quantitated against a fresh gasoline standard <br /> Analytes reported as N 0 were not detected above the stated reporting limit <br /> IJOIA ANALYTICAL, #1771 <br /> J nne Fegley <br /> Project Manager <br /> 9022174 GET t i;p <br />