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Ms. Michelle Sterni—Le <br /> Project 226-01-01,Page 2 <br /> Sample Analysis Results <br /> All soil samples were analyzed at a State Certified Environmental Laboratory, <br /> McCampbell Analytical of Pacheco, California (#1644) for Total Petroleum <br /> Hydrocarbons as gasoline (TPH-g), and benzene, toluene, ethylbenzene, xylenes <br /> (BTEX) by EPA methods 8015 modified/8020. All samples were analyzed for Total Lead <br /> using EPA Method 6010. The samples were also analyzed for Methyl-tert Butyl Ether <br /> (MTBE) using the Central Valley RWQCB recommended method of EPA 8260 for Fuel <br /> Oxygenates. One sample was tested for Total Petroleum Hydrocarbons as diesel (TPH- <br /> d) (Attachment A: Soil Sample Analytical Data). <br /> The soil sample analysis showed no TPH-g detected in the five samples. THP-d was not <br /> detected in the one sample tested. BTEX was not detected in four of the five samples. <br /> One sample (4 @ 2 —25) showed barely detectable amounts of Benzene, Toluene and <br /> Xylenes. The 8260 Oxygenates test showed no detectable Oxygenates in all samples but <br /> sample 1 @ 2—2.5'. Sample results are presented in the tables below. Copies of the lab <br /> reports are attached to this report. <br /> Soil Sample Analytical Results, TPH-g and BTEX, TPH-d <br /> City of Lodi Maintenance Yard <br /> 1331 South Ham Street, Lodi, California <br /> Sampled on February 1, 2002 <br /> Sample TPH-g TPH-d benzene toluene ethylbenzene xylenes <br /> 1 Q 2-2.5' ND NT ND ND ND ND <br /> 2 Civ 2-2.5' ND NT ND ND ND ND <br /> 3 @ 2-2.5' ND ND ND ND ND ND <br /> 4 Q 2-2.5' ND NT 0.006 0.014 ND 0.0077 <br /> 5 @ 2-2.5' ND NT ND ND ND ND <br /> det. limit 1.0 1.0 0.005 0.005 0.005 0.005 <br /> Results are in mg/kg or parts per million(ppm).ND=not detected at or above method detection limits. <br /> Soil Sample Analytical Results, MTBE and other Oxygenates* <br /> City of Lodi Maintenance Yard <br /> 1331 South Ham Street, Lodi, California <br /> Sampled on February 1, 2002 <br /> Sample DIPE ETBE MTBE TAME tert-Butanol <br /> 1 @ 2-2.5' ND<20 ND<20 31 ND<20 4000 <br /> 2 Q 2-2.5' ND ND ND ND ND <br /> 3 Q 2-2.5' ND ND ND ND ND <br /> 4 © 2-2.5' ND ND ND ND ND <br /> 5 Q 2-2.5' ND ND ND ND ND <br /> det. limit 5.0 5.0 5.0 5.0 25 <br /> *Via EPA Method 8260. Results are in pg/kg or parts per billion (ppb).ND=not detected at or above <br /> method detection limits. <br /> Parker Environmental Services, P. O. Box 8067, Pittsburg, CA 94565 <br /> Phone (925) 519-7782 Fax (925) 473-0784 <br />