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al. 1 R-bep ort <br /> LOG NO: E90-04-194 <br /> Received: 09 APR 90 <br /> Reported: 18 APR 90 <br /> Hr. Stephan Rosen <br /> Alton Geoscience <br /> 1000 Burnette Ave. Suite 140 <br /> Concord, California 94520 Project: 30-136 <br /> REPORT OF ANALYTICAL RESULTS Page 2 <br /> ATE SAMPLED <br /> LOG NO SAMPLE DESCRIPTION, SOIL SAMPLES --------- --------- <br /> D-----AMPLE_ <br /> -------------------- <br /> T_ _C-3 6 9,8 5,2,1,4,7 Comp. - 7.5-10' 05 APR 90 <br /> + 04-194-6 06 APR 90 <br /> 04-194-7 E-3:6,9,8,5,2,7,4,1 Comp. - 2-4.5' 06 APR 90 <br /> 8 5 2 7 4 1 Comp. 7-10' <br /> 04-194-8 6-9,6,3, t t t --------- ----------- - ------------ =-- <br /> __ ----------------------------- <br /> - 04-194-6 -04-194-7 04-194.8 <br /> PARAMETER ------ ---------- ---------- ---------- ---------- <br /> ---------------------- <br /> TPH-Volatile Hydrocarbons/BTEX 04.15.90 04.15.90 04.14.90 <br /> Date Analyzed 20 ; ; <br /> Dilution Factor, Times <2 <0.1 <0.1 <br /> Benzene, mg/kg 4 <0.1 0.3 <br /> i•,s Ethylbenzene, mg/kg <2 <0.1 <0.1 <br /> Toluene, mg/kg 16 <0.1 0.4 <br /> Total Xylene Isomers, mg/kg 1200 .. 6 85. <br /> C4 to C12 Hydrocarbons, mg/kg GASOLINE GASOLINE GASOLINE <br /> Fuel Characterization, - <br /> TPH - Semivolatile hydrocarbons 04.15.90 04.15.90 04.15.90 <br /> Date Analyzed 1 1 1 <br /> Dilution Factor, Times 560 <10 . <10 <br /> C12 to C25 Hydrocarbons, mg/kg ------ ---------- ----- ---- ----- --- <br /> ------------- ------------- - <br /> -------- - <br /> This Fuel Characterization is a qualitative identification. based upon a visual <br /> comparison of sample chromatograms with those .from authentic standards. <br /> e <br /> Si D. Lessley, , Ph.D., bora[ory Director <br /> ro<S Porrll 5trrrl �)311;d ;30A . <br />