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TABLE 2 <br /> CHEMICAL ANALYSIS - GROUNDWATER <br /> . Diesel Performance <br /> Stockton, California <br /> (Page 1 of 1) <br /> Date Sample MTBE B T E X TPHg TPHk TPHd <br /> ID <br /> u9/1 u9/1 u9/1 u9/1 u9/1 u9/1 ug// ug/I <br /> 09/28/98 MW 1 48(l) 23 081 1 8 21 660 450 440 <br /> 04/02/99 MW 1 11 90) 123 <1 00 <1 00 176 2,000 542 460 <br /> 07/08/99 MW1 48 0121 292 <5 00 280 68 7 5,200 2,970 3,000 <br /> Maximum Contaminat Level NE 1 0 150 700 1750 NE NE NE <br /> NOTES <br /> ug/1 = Micrograms per liter = Parts per Billion (ppb) <br /> MTBE Methyl Tertiary Butyl Ether by EPA Method 8260 <br /> B Benzene by EPA Method 8020 <br /> T Toluene by EPA Method 8020 <br /> E = Ethylbenzene by EPA Method 8020 <br /> X — Xylenes by EPA Method 8020 <br /> TPHg = Total Petroleum Hydrocarbons as Gasoline by EPA Method 8015 <br /> TPHk Total Petroleum Hydrocarbons as Kerosene EPA Method 3350 <br /> TPHd = Total Petroleum Hydrocarbons as Diesel by EPA Method 3350 <br /> NE W None Established <br /> < = Not Detected at or Above Stated Method Detection Limit <br /> 1 = Sample analyzed by 8260 for fuel oxygenates including Ethanol, t-Butanol, <br /> Di-Isopropyl Ether, Ethyl t-Butyl Ether, and t-Amyl Methyl Ether <br /> These fuel oyxgenates were below method detection limits <br /> 2 = Sample analyzed by 8260 for MTBE <br /> i <br /> W 1625771TABLESIwat-TABL DOC [8112/99] <br />