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0 <br /> Table 1 <br /> Monitoring Well Sampling Results <br /> Monitoring Well MW-4 <br /> Former Heinz Facility <br /> Tracy, California <br /> Sample <br /> Location Date TPH-G TPH-D Benzene Toluene Ethylbenzene Total Xylenes MTBE <br /> MW4 11/16/98 120,000 <50 540 4,700 2,900 9,900 <2,500 <br /> MW4 12/16/98 120,000 <300 490 3,600 2,500 8,500 <2,500 <br /> MW-4 4/22/99 51,000 NA <500 3,100 2,000 6,900 <5,000 • <br /> MW-4D 4/22/99 50,000 NA <500 3,000 2,000 6,800 <5,000 <br /> MW-4 6/30/99 170,000 NA 600 2,400 3,300 9,800 <5,000 <br /> MW4 9/2/99 61,000 NA 480 2,600 2,100 7,300 <1,000 <br /> MW-4 10/28/99 380,000 NA 940 2,600 4,900 13,000 <1,000 <br /> MW4 11/30/99 47,000 NA 290 2,300 1,600 5,700 <2,500 <br /> MW-413 11/30/99 47,000 NA 290 2,400 1,600 5,800 <2,500 <br /> Notes <br /> (1)All ground water concentrations expressed in micrograms per liter <br />