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Table 2. <br /> Historical Ground Water Analytical Results <br /> BTEX, TPH-g, TPH-d, and MTBE <br /> Van Buskirk Golf Course Facility <br /> 1740 Houston Avenue <br /> Stockton, California. <br /> Sample ='+ Date Betuene Toluene; Ethyl- Total r TPH- :..TPH MTBE'- = TBA <br /> benzene Xylemes= Gasoline Dtt:sel`; <br /> (ul ) <br /> (u Il ('aIl) (µ (uAYw <br /> MW-1 06/22/94 <0.5 <0.5 <0.5 <0.5 <50 <50 NA NA <br /> 10/27/94 <0.5 <0.5• <0.5 <0.5 <50 <50 NA NA <br /> 09/26/95 NS NS NS NS NS NS NS NA <br /> 05/06/99 <0.3 <0.3 50.5 <0.5 <50 <50 ' <0.5 <5 <br /> 08/04/99 <0.5 <0.5 <0.5 <0.5 <50 <50 <1/<5 <5 <br /> 11104/99 <0.3 <0.3 _ <0.5 <0.5 <50, .550 <0.5 <10 <br /> 04/13/00 NS NS NS NS NS NS NS NS <br /> MW-2 06/22/94 <0.5 <0.5 <0.5 <0.5 <50 <50 NA NA <br /> 10/27/94 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 NA NA <br /> 09/26/95 NS. NS NS NS NS NS NS NA <br /> 05/06/99 <0.3 0.35 <0.5 <0.5 <50 <50 <0.5 <5 <br /> 08/04/99 <0.5 <0.5' <0.5 X0.5 <50 <50 <]/<S <5 <br /> 11/04/99 <0.3 <0.3 <0.5 <0.5 <50 <50 <0.5 <10 <br /> 04/13/00 NS NS NS NS NS NS NS NS <br /> MW-3 06/22/94 1.4 <0.5 X0.5 1.7 55 <50 NA NA <br /> 10/27/94 <0.5 <0.5 <0.5 <0.5 <50 <50 NA NA <br /> • 09/26/95 -<0.5 <0.5 <0.5 <0.5 -<50 <50 NA NA <br /> 05/06/99 <0.3 <0.3 <0.5 <0.5 <50 <50 <0.5 <5 <br /> 08104199" <0.5 <0.5 <0.5 <0.5 <50 <50 <1/<5 <5 <br /> 11/04/99 <0.3 <0.3 <0.5 <0.5 <50 <50 <0.5 <10 <br /> 04/13/00 <0.3 <0.3 <0.5 <0.5 <50 <50 1.5 <10 <br /> MW-4 05/06/99 <0.3 <0.3 <0.5 <0.5 <50 <50 660 ' 32 <br /> 08/04/99 <0.5 <0.5 <0.5 <0.5 <50 <50 2901340 , <25 <br /> 11/04/99 7.7 <0.3 <0.5 <0.5 <50 61 1,100 <10 <br /> 04/13/00 0.72 <0.3 <0.5 <0.5 <50 <50 .200 <10 <br /> MW-5 05/06/99 <0.3 <0.3 <0.5 <0.5 .550 <50 <0.5 <5 <br /> 08/04/99 <0.5 <0.5 <0.5 <0.5 <50 <50 <1/<5 <5, <br /> 11/04/99 <0.3 <0.3 <0.5. <0.5 <50 <50 <0.5 <10 <br /> 04/13/00 <0.3 <0.3 <0.5 <0.5 <50 <50 <0.5 <10 <br /> Excavation 04/05/95 1,000 2,000 800 6,400 17,000 NA NA NA <br /> SB-1 •12/18196 12.4 83 98.8 67 5,100 2,500 12.7 NA <br /> SB-2 12/18/96 <0.5 <0.5 <0.5 <0.5 <60 420 4.8 NA <br /> SB-3 12/18/96 <0.5 <0.5 <0.5 <0.5 <50 336 <5 .NA <br /> SB-4 12/18/96 <0.5 1.6 3.8 79 2,800 6,000 7.4 NA <br /> SB-5 12/18/96 6,500 35,000 4,500 25,000 93,000 320,000 560 NA <br /> SB-6 12/18/96 <0.5 <0.5 <0.5 <0.5 <50 450 <5 NA <br /> SB-7 12/18/96 590 4,100 1,900 18,000 72,000 56,000 300 NA <br /> B ] 05/06/99 <0.5 t0.5 <0.5 <0.5 <50 <50 <1.0 •<5 <br /> B.2 05/06/99 <0.5 <0.5 <0.5 <0.5 <50 570' <br /> <1.0 <5 <br /> 1 l9 < .S <0j < .5 - <0. <50 110 <I 0 < <br /> k,g/1-micrograms per liter / -EPA Method 8260/EPA Method 8020 <br /> NA-Not analyzed MTBE- Methyl-tertiary Butyl Ether <br /> NS-Not sampled TBA-tertiary-Butanol <br /> Advanced GeoEnvironmental,Inc. <br />