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4D Sequoia 680 Chesapeake Drive Redwood Clry CA 94063 (650)364-9600 FAX(650)364-9233 <br /> 404 N Wlget lane Walnut Cree P!5598 925)988-9600 FAX(9Z5)988-9673 <br /> �I„� Analytical 1319 Striker Avenue Suite a Sacramento �1� 3 l ) 1 FAX(916)921-0100 <br /> 1455 McDowell Blvd North Ste D Petaluma f9li� I 07 79 1 ) FAX(707)792-0342 <br /> JlSu �� <br /> ZSetiler-�iyan - Dublin Client project I[7 Unocal #0187, Stockton am led Mar 1 <br /> �� , 1 ') pqg p 3 , 1999 <br /> 6747 Sierra Court, Suite J Sample Matrix Soil 'Received Mar 31, 1999 <br /> Dublin, CA 94568 Analysis Method EPA 5030/80 Reported Re orted Apr 7, 1999 <br /> Attention Haig Kevork First Sample # 904-0009 INC.. ;h n „ a t vI y• .. v rq •v r t� ♦ r 4 <br /> TOTAL PURGEABLE PETROLEUM HYDROCARBONS with BTEX / MTBE - <br /> Reporting Sample <br /> Analyte Limit I D <br /> mg/Kg 904-0009 <br /> Comp-S(DR)1 <br /> Purgeable <br /> Hydrocarbons 10 260 <br /> Benzene 00050 13 <br /> Toluene 00050 35 <br /> Ethyl Benzene 00050 3 6 <br /> Wotal Xylenes 00050 16 <br /> MTBE 0 050 1 7 <br /> Chromatogram Pattern Gasoline <br /> Quality Control Data <br /> Report Limit Multiplication Factor 20 <br /> Date Analyzed 4/6/99 <br /> Instrument Identification HP-4 <br /> Surrogate Recovery, % <br /> (DC Limits = 40-140%) <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 /> SEQUOIA ANALYTICAL, #1271 Please Note <br /> ~ * Surrogate recovery below detection limit due to dilution <br /> �vL <br /> Janne Fegley <br /> Project Manager <br /> 9040009 GET <1> <br />