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' Table 7 <br /> Ground Water Grab Sampling Results <br />' Former Tank Site 2 <br /> Former Heinz Facility <br /> Tracy, California <br />' Depth Total <br /> Location (feet bgs) Date TPH-G TPH-D Benzene Toluene Ethylbenzene Xylenes MTBE <br /> Tank Excavation <br /> UST2-GW1 Bottom 2/24/98 84,000 <200 890 4,700 2,900 11,000 <2,500 <br /> UST2-GW2 Bottom 3/10/98 47,000 NA 630 3,700 2,200 7,700 <1,300 <br />' HydroPunch samples <br /> HB-1 8-9 4/2/98 <50 NA <05 <05 <05 <0 5 <5 <br /> HB-2 9-10 4/2/98 <50 NA <05 <05 <05 <0 5 <5 <br />' HB-3 9-10 4/2/98 <50 NA <05 <05 <0 5 <0 5 <5 <br /> HB-4 8-9 4/2/98 39,000 NA <50 65 <50 <50 <500 <br /> HB-5 8-9 4/2/98 <50 NA <05 <05 <0 5 <05 <5 <br /> Additional HydroPunch Samples <br /> HB-20 10-15 2/11/99 280,000 NA <500 <500 6,900 20,000 NA <br /> HB-20 30-33 2/11/99 6,000 NA <10 <10 190 540 NA <br />' Notes <br /> (1)All ground water concentrations expressed in micrograms per Mer <br /> bgs=below ground surface <br /> TPH-D=total petroleum hydrocarbons as diesel <br /> TPH-G=total petroleum hydrocarbons as gasoline <br /> MTBE=methyl tertiary-butyl ether <br /> NA=not analyzed <br /> I <br /> I <br /> A <br /> 1 <br /> 1 <br />