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1 <br /> CHROMALAB, INC . <br /> ' S DAYS TURNAROUND <br /> Environmental Laboratory(1094) <br /> January 20 , 1993 ChromaLab File No. : 0193073 <br /> MITTELHAUSER CORPORATION <br /> Attn: Randal Wilson <br /> RE: Five soil samples for Gasoline and BTEX analysis <br /> Project Name: UNOCAL #6348 - Tracy <br /> Pro]ect Number: P2168-3 <br /> ' Date Sampled: Jan. 11, 1993 Date Submitted: Jan. 12 , 1993 <br /> Date Analyzed: Jan. 18 , 1993 <br />' RESULTS : <br /> Ethyl Total <br /> Sample Gasoline Benzene Toluene Benzene Xylenes <br />' I. D. . . _(mg/Kgl {ug/Kg) (Uq/Kg)_ (ug/Kg) (ug/Kg) <br /> NSP-1 340 N.D. * 2200 2900 29000 <br />' NSP-2 440 N.D. * 3300 6100 39000 <br /> NSP-3 470 N.D. ** 2900 5800 41000 <br /> NSP-4 5 . 4 N.D. 8 . 2 17 180 <br /> SW-11 @ 8 ft N.D. N.D. N.D. N.D. 13 <br /> BLANK N.D. N.D. N.D. N.D. N.D. <br /> SPIKE RECOVERY 961% 103% 104% 102% 10316 <br /> DUP SPIKE RECOVERY ---- 101% 101% 99% 99% <br /> DETECTION LIMIT 1. 0 5 . 0 5 . 0 5 . 0 5 . 0 <br /> METHOD OF ANALYSIS 5030/8015 8020 8020 8020 8020 <br /> * Detection Limit = 450 µg/Kg due to dilutions needed. <br /> **Detection Limit = 1000 Ag/Kg due to dilutions needed. <br /> ChromaLab, I <br /> Billy ach Eric Tam <br /> Analytical Chemist Laboratory Director <br />' cc <br />' 2239 Omega Road,#1 • San Ramon, California 94583 <br /> (510) 831-1788 0 Facsimile (510) 831-8798 <br /> Federal 10 ##68-0140157 <br />