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Sequoia 680 Chesapeake Drive Redwood City CA 94063 (650)364-9600 FAX(650)364-9233 <br /> 404 N Wiget Lane Walnut Creek CA 94598 (925)988-9600 FAX(925)908-9673 <br /> �i — Analytical 819 Striker Avenue Suite 8 Sacramento,CA 95834 (916 )921-9600 FAX(916) 92I-0100 <br /> 1455 McDowell Blvd North Ste D Petaluma CA 94954 707 792-1865 FAX 707)792-0342 <br /> vYv f v't• ,. 4 ,,. � ' i.{,r. <br /> ler-Ryan-Dublin' Cllen`t project lb Unocal SS#0123,Tracy' Sampled Dec 14, 1998 <br /> 6747 Sierra Court, Suite J Sample Matrix Water Received Dec 15, 1998` <br /> Dublin, CA 94568 Analysis Method EPA 5030/8015 Mod /8020 Reported Dec 31, 1998_ <br /> Attention Deanna Harding First Sample# 812-1240 <br /> vn+} f{r?vwvv dM w f nh+V+ r 0' ,OO +" vn ni 6 w v vrrt 7" kV 1 nv .v} <br /> TOTAL PURGEABLE PETROLEUM HYDROCARBONS with BTEX / MTBE <br /> Reporting Sample <br /> Analyte Limit I D. <br /> pg/L 812-1240 <br /> U-6 <br /> Purgeable <br /> Hydrocarbons 50 90 <br /> Benzene 050 N D <br /> Toluene 050 N D <br /> Ethyl Benzene 050 080 <br /> Dotal Xylenes 050 1 5 <br /> MTBE 25 N D <br /> Chromatogram Pattern Gasoline <br /> Quality Control Data <br /> Report Limit Multiplication Factor 1 0 <br /> Date Analyzed 12/17/98 <br /> Instrument Identification HP-4 <br /> Surrogate Recovery, % 103 <br /> (QC Limits = 70-130°x) <br /> Purgeable Hydrocarbons are quantitated against a fresh gasoline standard <br /> Analytes reported as N D were not detected above the stated reporting limit <br /> QUOIA ANALYTICAL, #1271 <br /> lianne Fegley <br /> Protect Manager j <br /> 8121234 GET <2> <br />