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7' Blakely Environmental Investigations Inc. <br /> e!q <br /> Frontier Trucking - Tracy, Califronia <br /> TEG Project#205218' <br /> BTEX, OXYGENATES (EPA method 8260B) & TPH(EPA method 8015m) Analyses of SOIL <br /> SAMPLE NUMBER: Blank 5 CSP 6 SP 7 SP 8 SP 9 SP 10 SP <br /> COLLECTION DATE: 5/21/02 5/21/02 5121/02 521102 5/21102 5/21/02 <br /> ANALYSIS DATE: 5111/02 521/02 5/21/172 5121/02 521102 521102 521102 <br /> RL FACTOR for VOCs: 1 1 1 1 1 1 i <br /> RL <br /> Benzene N9.1<9) 5.0 nd nd nd nd 140 nd nd <br /> Toluene (ug9C9) 5.0 nd nd nd nd 11 nd nd <br /> Ethylbenzene (ugft) 5.0 nd nd nd nd 160 nd nd <br />' Total xylenes (u9/K9) 5.0 nd nd nd nd 330 nd nd <br /> Tert-Butanol(TBA) Ngft) 50 nd nd nd nd nd nd nd <br /> Methyl-t-butyl ether(MTBE) (ug9(g) 5.0 nd nd 13 nd 2100 6.0 nd <br /> Diisopropyl ether(D1PE) (ugWg) 5.0 nd nd nd nd nd nd nd <br /> Ethyl-t-butyl ether(ETBE) N9/K9) 5.0 nd nd nd nd nd nd nd <br /> Tert-amyl methyl ether(TAME) (ugi<g) 5.0 nd nd nd nd nd nd nd <br /> TPH-gasoline (C5-C11) (mg4<g) 1.0 nd nd nd nd 9.0 nd nd <br /> TPH-diesel (C12-C24) (m9/Kg) 1.0 nd 100 nd 39 6.0 nd 6.0 <br /> Surrogate Recovery: <br /> DBFM 84% 105% 102% 106% 99% 102% 96% <br /> 1,2-DCA-d4 75% 109% 103% 115% 105% 110% 103% <br /> Toluene-d8 86% 101% 98% 107% 100% 101% 94% <br /> 'nd' INDICATES NOT DETECTED AT LISTED REPORTING LIMITS <br />' 'RL' INDICATES REPORTING LIMITS <br /> 'RL FACTOR' MULTIPLICATION FACTOR USED TO ADJUST REPORTING LIMIT DUE TO SAMPLE DILUTION <br /> ANALYSES PERFORMED IN TEG-Northern California's DHS CERTIFIED LAB <br /> ---ANALYSES PERFORMED BY. Mr. Leif Jonsson <br /> 11350 Monier Paris Place, Rancho Cordova, CA 95742 Phone: (916) 853-8010 Fax: (916) 853-8020 <br />