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z <br /> Client Acct: 691 Date: 10-02-90 <br /> Client Name: Env. Science & Engineering Page: 2 <br /> NET Log No: 3995 <br /> W Ref: Delta Truck Sales, Stockton; Project: 02-531-002/003 <br /> Descriptor, Lab No. and Results <br /> -- USI--) 50' UST-1 70' UST-1 85' <br /> 09-20-90 09-20-90 09-20-90 <br /> 1020 1320 1530 <br /> Reporting <br /> Parameter Limit 63713 63714 63715 Units <br /> PETROLEUM HYDROCARBONS — -- <br /> VOLATILE (SOIL) 59 1 <br /> DILUTION FACTOR <br /> -- DATE ANALYZED 09-26--90 09-28-90 09-26-90 <br /> METHOD GC FID/5030 480 5.3 ND ug/Kg <br /> _ as Gasoline 1 <br /> METHOD 8020 __ 1 <br /> DILUTION FACTOR * 100 2 <br /> DATE ANALYZED 09-27-90 09-28-90 09-26-90 <br /> Benzene 2.5 2,300 11 NO ug/Kg <br /> Ethylbenzene 2.5 6,900 34 NO waft <br /> Toluene 2.5 i0,0O0 74 3.4 u9/K9 <br /> Xylenes, total 2.5 25,000 190 NO ug/Kg <br /> PETROLEUM HYDROCARBONS _ N <br /> EXTRACTABLE (SOIL) <br /> DILUTION FACTOR * 50 10 1 <br /> DATE EXTRACTED 09-26-90 09-26-90 09-26-90 <br /> ' DATE ANALYZED 09-27-90 09-27-90 09-2790 <br /> r% METHOD GC FID/3550 - NO mg/Kg <br /> as Diesel 1 19C 80 <br /> as Motor Oil 10 ND NO NO mg/Kg <br /> kv <br /> �r <br /> a. <br />