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i <br /> i <br /> Table <br /> Monitoring Well Sampling Results <br /> Former UST 2 Area <br /> Former Heinz Facility <br /> Tracy, California <br /> Total <br /> Location Date TPH-G TPH-D Benzene Toluene Ethylbenzene Xylenes MTBE <br /> MW-2 5/1/98 31,000 NA <100 <100 1,100 3,400 <1,000 <br /> MW-2 6/2/98 10,000 NA <25 <25 30 850 <250 <br /> MW-2 7/15/98 5,400 NA <5 <5 21 260 <50 <br /> MW-2 9/10/98 1,600 NA <2.5 <2.5 <2.5 16 <25 <br /> MW-2 11/16/98 700 <50 <0.5 0.62. 4 1.7 <5 <br /> MW-2 12/16/98 620 <50 <0.5 <0.5 2.5 0.56 <5 <br /> MW-2 4/22/99 360 NA <0.5 <0.5 19 7.3 <10 <br /> ` MW-2 6/30/99 1.70 NA <0.5 <0.5 4.2 0.96 <5 <br /> t <br /> MW-5 11/16/98 <50 <50 <0.5 <0.5 <0.5 <0.5 <5 <br /> MW-5 12/16/98 <50 <50 <0.5 <0.5 <0.5 <0.5 <5 <br /> MW-5D 12/16/98 <50 NA <0.5 <0.5 <0.5 <0.5 <5 <br /> MW-5 4/22/99 <50 NA <0.5 <0.5 <0.5 <0.5 <10 <br /> MW-5 6/30/99 <50 NA <0.5 <0.5 <0.5 <0.5 <5 <br /> MW-6 11/16/.98 98,000 <50 3,600 6,500 2,900 14,000 <2,500 <br /> MW-6 12/16/98 90,000 <300 3,600 6,200 3,300 12,000 <2,500 <br /> MW-6 4/22/99 98,000 NA 3,400 6,200 4,700 14,000 <2,500 <br /> MW-6 6/30/99 65,000 NA 2,800 3,900 4,300 12,000 <2,500 <br /> Notes: <br /> (1)All ground water concentrations expressed in micrograms per liter. <br /> i <br /> } <br /> _ 1 <br />