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TABLE 2 <br /> CHEMICAL ANALYSIS - GROUNDWATER <br /> Diesel Performance <br /> Stockton, California <br /> (Page 3 of 3) <br /> Sample Date MTBE B T E X TPHg TPHk TPHd <br /> ID <br /> ug/I ug/l ug/1 ug/I ug/1 ug/1 ug// u9/1 <br /> MW7 12/12/01 <2 014' <0 5 <05 <05 <1 0 <50 <50 <50 <br /> 10/25/02 <2 0141 <05 <05 <0 5 <1 0 <50 <50 <50 <br /> CPT1 12/13/01 <2 0141 <0 5 <0 5 <05 <1 0 <50 <50 <50 <br /> MCLS 130 1 0 150 700 1,750 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 = Ethvibenzene 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 = None Established <br /> NA — Not Analyzed for that constituent <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 = Unidentified hydrocarbon, see laboratory report <br /> 3 — Overlapping chromatogram patterns, see laboratory report <br /> 4 = Sample analyzed by 8260 for fuel oxygenates including t-Butanol, <br /> Di-Isopropyi Ether, Ethyl t-Butyl Ether, t-Amyl Methyl Ether, 1,2-Dichloroethane, and <br /> 1,2-Dibromoethane <br /> These fuel oyxgenates were below method detection limits <br /> W W5771TABLESIwat-TA81-DOG [1110512002] <br />