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TABLE 2 <br /> ANALYTICAL RESULTS OF GROUND WATER SAMPLES <br /> EPA Method 80151802018260 Modified <br /> Former Curtiss Pontiac Buick-2450 Toste Road, Tracy, California <br /> Gig/l) <br /> 4e <br /> ethyl methyl tertiary , <br /> di- tertiary tertiary- amyl ' tertiary <br /> Well Sample Depth to Ethyl- lsopropyl butyl <br /> I D Date GW TPH-g TPH-d Benzene Toluene benzene Xylenes ether butyl butyl methyl alcohol <br /> ether ether ether, <br /> (RIPE) ETBE MTBE TAMER} <br /> MW-6 02-27-98 6 05 <50 <50 <0 5 <0 5 <0 5 <0 5 <5 0 <5 0 <5 0 <5 0 <5 0 <br /> 09-28-98 768 <50 <50 <0 5 <0 5 <0 5 <0 5 <1 0 <1 0 <1 0 <1 0 <5 0 <br /> 12-17-98 764 <50 <50 <0 5 <0 5 <0 5 <0 5 <1 0 <1 0 <l 0 <1 0 <5 0 <br /> 03-25-99 753 <50 <50 <0 5 <0 5 <0 5 <0 5 <5 0 <1 0 <1 0 <1 0 <5 0 <br /> 06-21-99 765 <50 <50 12 4.0 069 3 7 <1 0 <1 0 <1 0 <1 0 <5 0 <br /> 09-2I-99 754 <50 i <50 <0 5 1 <0 5 <0 5 <0 5 <1 0 <1 0 <1 0 <l 0 <5 0 <br /> MW-3* 01-30-98 -- <50 <50 <0 5 <0 5 <0 5 <0 5 -- -- -- -- --- <br /> 09-28-98 864 <50 <50 2.7 1.6 <0 5 <0 5 <1 0 <1 0 <10 <1 0 <5 0 <br /> 12-17-98 873 <50 <50 <0 5 <0 5 <0 5 <0 5 <1 0 i <1 0 <1 0 <1 0 <5 0 <br /> 03-25-99 8 61 <50 <50 <0 5 <0 5 <0 5 <0 5 <1 0 <1 0 <1 0 <1 0 <5 0 <br /> 06-21-99 880 <50 <50 <0 5 <0 5 <0 5 <0 5 <1 0 <1 0 <1 0 <1 0 <5 0 <br /> 109-21-991 946 1 < 1 <50 1 <0 5 1 <0 5 1 <0 5 1 <0 5 1 <1 0 1 <1 0 1 2.1 1 <1 0 1 <5 0 <br /> i <br /> Notes <br /> Ground water depth measurements in feet <br /> pgA micrograms per liter or parts per billion,ppb j <br /> TPH-g Total petroleum hydrocarbons quantified as gasoline <br /> TPH-d Total petroleum hydrocarbons quantified as diesel <br /> •ground water sample collected from 2420 Grant Line Road <br /> Concentrations in italics indicate suspected cross-contamination Advanced GeoEnvironmental Inc <br />