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Table 5
<br /> Monitoring Well Sampling Results
<br /> Former Tank Site I
<br /> Former Heinz Facility
<br /> Tracy,California
<br />' Sample Total
<br /> Location Date TPH-G TPH-D Benzene Toluene Ethylbenzene Xylenes MTBE
<br /> MW-1 5/1/98 7,400 NA 53 190 340 820 <250
<br /> MW-1 6/2/98 4,100 NA 44 110 180 450 <63
<br />' MW-1 7/15/98 4,600 NA 50 88 270 370 <50
<br /> MW-1 9/10/98 2,000 NA 22 30 120 140 <50
<br /> MW-1 11/16/98 2,600 <50 27 44 120 190 <50
<br /> MW-1 12/16/98 4,300 <100 49 96 230 360 <250
<br /> MW-1 4/22/99 3,100 NA 15 59 180 210 <50
<br /> MW-1 6/7/99 ORC Injection
<br /> MW-1 6/30/99 1,000 NA 11 26 71 130 <50
<br /> MW-1 9/2/99 2,900 NA 34 57 150 270 <50
<br /> MW-1D 9/2/99 1,300 NA 14 20 59 97 <50
<br /> MW-1 10/28/99 1,900 NA 14 28 66 130 <50
<br /> MW-1 1/6/00 3,600 NA 33 57 150 210 NA
<br /> MW-I 2/29/00 1,000 NA 11 11 60 33 <5
<br /> MW-3 11/16/98 <50 <50 <05 <0 5 <0 5 <0 5 <5
<br /> MW-3D 11/16/98 <50 NA <05 <0 5 <0 5 <0 5 <5
<br /> MW-3 12/16/98 <50 <50 <05 <0 5 <0 5 <0 5 <5
<br /> MW-3 4/22/99 <50 NA <05 <0 5 <0 5 <0 5 <5
<br /> MW-3 6/7/99 ORC Injection
<br /> MW-3 6/30/99 <50 NA <0 5 <0 5 <05 <0 5 <5
<br /> MW-3D 6/30/99 <50 NA <0 5 <0 5 <05 <0 5 <5
<br /> MW-3 9/2/99 <50 NA <0 5 <0 5 <05 <0 5 <5
<br /> MW-3 10/28/99 <50 NA <0 5 <0 5 <05 <05 <5
<br /> MW-3 1/6/00 <50 NA <0 5 <05 <0 5 <05 NA
<br /> MW-3 2/29/00 <50 NA <0 5 <05 <0 5 <0 5 <5
<br />' MW-4 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,D00
<br /> MW1113 4/22/99 50,000 NA <500 3,000 2,000 6,800 <5,000
<br />' MW-1 6/7/99 ORC Injection
<br /> MW-1 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 /> MW4 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 /> MW-4 1/6/00 43,000 NA 360 2,300 1,400 5,400 NA
<br /> MW-4D 1/6/00 43,000 NA 400 2,300 1,400 5,400 NA
<br /> MW4 2/29/00 35,000 NA 350 2,500 1,400 5,100 <2,500
<br /> MW4D 2/29/00 40,000 NA 390 2,700 1,600 5,700 <2,500
<br /> Notes
<br /> (1)All ground water concentrations expressed in micrograms per liter
<br /> TPH-D=total petroleum hydrocarbons as diesel
<br /> TPH-G=total petroleum hydrocarbons as gasoline
<br /> MTBE=methyl tertiary-butyl ether
<br /> ORC=oxygen-releasing compound
<br /> NA=not analyzed
<br />
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