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P. E PRIORITY ENVIRONMENTAL LABS <br /> �- r ecus+on Environmental Anal Aicol laboratory <br />`. March 21, 1994 PEL 1 9403061 <br /> EPM TECHNOLOGIES, INC. Attn: John Rapp <br /> Re: Four water and eight soil samples for Gasoline/BTEX and Diesel analyses. <br /> Project name:Pestana Trust Property Project location:2360 East St,Tracy,CA. <br /> Date sampled: Mar 17, 1994 Date submitted: Mar 18, 1994 <br /> Date extracted: Mar 18-21, 1994 Date analyzed: Mar 18-21, 1994 <br /> RESULTS: <br /> SAMPLE Gasoline Diesel Benzene Toluene Ethyl Total <br /> I.D. Benzene Xylenes <br /> (ug/L) (ug/L) (ug/L) (ug/L) (ug/L) (ug/L) <br /> EP-1 320000 N.D. 460 680 900 1400 <br /> EP-2 84000 81 360 170 480 1100 <br /> EP-3 1500 N.D. 3 . 1 4.4 9. 1 9.9 <br /> EP-4 710000 N.D. 1500 1200 1100 3600 <br /> Detection limit 100 50 0.5 0. 5 0.5 0.5 <br /> Method of analysis 5030/8015 3510/8015 602 602 602 602 <br /> SAMPLE Gasoline Diesel Benzene Toluene Ethyl Total <br /> I.D. Benzene Xylenes <br /> (mg/Kg) (mg/Kg) (ug/Kg) (ug/Kg) (ug/Kg) (ug/Kg) <br /> EP-1-5f N.D. N.D. -- 12 N.D. 14 22 <br /> EP-1-6 1/2' 25 N.D. 25 54 74 120 <br /> EP-2-50 N.D. N.D. N.D. N.D. N.D. 7.5 <br /> EP-2-71 220 6.8 1600 1200 2900 5300 <br /> EP-3-5' N.D. 6.7 N.D. N.D. N.D. N.D. <br /> EP-3-8' N.D. N.D. N.D. N.D. N.D. 5.7 <br /> EP-4-5' 1.4 N.D. 31 9.4 29 63 <br /> EP-4-7' 3300 8.6 8100 9300 13000 51000 <br /> Blank N.D. N.D. N.D. N.D. N.D. N.D. <br /> Spiked Recovery 92.3% 97.8% 97. 0% 112.3% 101.4$ 109.1$ <br /> Duplicate Spiked <br /> Recovery 103.9% 91. 1$ 114 . 8$ 95. 6% 93.4% 112 .4% <br /> Detection limit 1. 0 1. 0 5. 0 5.0 5.0 5.0 <br /> Method of 5030/ 3550 / <br /> Analysis 8015 8015 8020 8020 8020 8020 <br /> i ,ni <br /> David Duong <br /> Laboratory Director <br /> 1764 Houret court Milpitas, CA 95035 _ ~ Tel 408-946-9636 Y Fax 408-946-9663 <br />