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Sequoia 680 Chesapeake Drive Redwood City,CA 94063 (650) 364 %00 FAX(650)364 92 3 <br /> 404 N W�gct Lane Walnut Creek,CA 94598 (510) 988 96W FAX(510)988 9673 y' l'P <br /> �I Analytical <br /> ,!D- <br /> 819 Sinker Avenue Suite 8 Sacramento,CA 95834 (916) 921 9600 FAX(916)921 0100 <br /> Blaine Tech Services Client Proj ID Shell Tracy/970827 T2 Sampled 08/27/97 <br /> ' 1680 Rogers Avenue Sample Descript MW1A Received 08/28/97 <br /> - San Jose, CA 95112 Matrix LIQUID ;- <br /> Analysis Method 8015Mod/8020 Analyzed 09/03/97 ' <br /> Attention Fran Thie Lab Number 970BF55-01 _ _ Reported 09110197 ' <br /> QC Batch Number GC090397BTEX18A - - -- - <br /> Instrument ID GCHP18 <br /> r Total Purgeable Petroleum Hydrocarbons (TPPH) with BTEX and MTBE <br /> Analyte Detection Limit Sample Results <br /> ug/L ug/L <br /> TPPH as Gas 250 N D <br /> Methyl t-Butyl Ether .. 1250 . . . . .. 73000 <br /> Benzene 2 5 N D <br /> Toluene _ 25 N D <br /> Ethyl Benzene 2 5 N D <br /> Xylenes (Total) 2 5 N D <br /> Chromatogram Pattern <br /> Surrogates Control Limits% % Recovery <br /> Trlfluorotoluene 70 130 81 <br /> , <br /> I ' <br /> I�. <br /> Analytes reported as N D were not present above the stated limit of detection <br /> SEQUOI ALYTICAL - ELAP #1214 <br /> Peggy Pdr6dr <br /> Project Manager Page <br />