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TABLE 2 <br /> CHEMICAL ANALYSIS - GROUNDWATER <br /> Diesel Performance <br /> Stockton, Calllfomla <br /> (Page 1 of 1) <br /> Sample Date MTBE 8 T E K TPHg TPHk TPHd <br /> ID <br /> U9// U90 U911 ug/t up/I Eta// ugll tt9/7 <br /> MW1 09/28/98 48(l) 23 081 1 8 21 660 450 440 <br /> 04/02/99 11 911 123 <1 00 <1 00 176 2,000 542 460 <br /> 07/08/99 48 011) 292 <5 00 280 687 5,200 2,970 3,000 <br /> 12/22/99 88 111) 178 <5 00 352 496 4,230 1,530j2f 2,060f21 <br /> 04/20/00 17 711' 128 <2 5 <25 192 1,560 <50 87812' <br /> MW2 12/22/99 11 341) 254 0 510 119 110 651 540121 75012' <br /> 04/20/00 5 3611' 260 0 518 1 26 739 287 178'2' <50 <br /> MW3 12/22/99 <2 0"' <0 500 0 651 <0 500 1 62 <50 5012i 77 212' <br /> 04/20/00 <2 011 <0 500 <0 500 <0 500 1 24 <50 <50 <50 <br /> MW4 12/22/99 <2 00' <0 500 <0 500 <0 500 <0 500 <50 <50 <50 <br /> 04/20/00 <2 0"' <0 500 <0 500 <0 500 <0 500 <50 <50 <50 <br /> Maximum Contaminat Level NE 1 0 150 700 1750 NE NE NE <br /> NOTES <br /> ug/I = 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 = Ethyibenzene 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 /> < = 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 /> W 4625TATABLESIwat-TABL DOC [619x2"] <br />