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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)`988-967$ <br /> a- Analytiea� 819 Striker Avenue Suite 8 Sacramento CA 95834 (916)921-9600 FAX(916)921-oloo <br /> 1455 McDowell Blvd North Ste D Petaluma,CA 94954 (707)792-1865 FAX(707)792-0342 <br /> i <br /> Blaine Tech Services z _"- - Client Proj- ID - Shell 141 N EJ Dorado --- - -Sampled 07/28/98 <br /> 1680 Rogers Avenue Sample Descript VEW-2 Received 07/30/98 - <br /> - San Jose, CA 95112 Matrix LIQUID <br /> Analysis Method 8015Mod/8020 Analyzed 08/06/98 <br /> c Attention Fran Thle _ _ Lab Number 98071-179-09 ReDOned 08j14j98 - <br /> QC Batch Number„GC080698802004A - <br /> Instrument ID HP-5 <br /> Total Purgeable Hydrocarbons (TPPH) with BTEX and MTBE <br /> Analyte Detection Limit Sample Results <br /> ug/L ug/L <br /> TPPH as Gas 50 N D <br /> Methyl t-Butyl Ether .. .. .. 25 .. 57 <br /> Benzene 050 N D <br /> Toluene 050 N D <br /> Ethyl Benzene 0 50 N D <br /> Xylenes (Total) 050 N D <br /> Chromatogram Pattern <br /> Surrogates Control Limits % % Recovery <br /> Trifl uorotol uene 70 130 77 <br /> • <br /> Analytes reported as N ere not present above the stated limit of detection <br /> SEQUOI AL ICAL - ELAP #1271 <br /> Peggy PerWr <br /> Project Manager Page 10 <br />