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TABLE 3 Discrete Groundwater Analytical Results 212 Industrial Drive, Stockton, CA (in parts per billion) Sample Sample Depth Sample EthanoI/ Oxygenates location ID feet Date TPHg B T E X MTBE VOCs Methanol & Additives P5-W P5-W NA 3/6/1998 11,0001 610 1 250 1 48 1 68 1 ND ND -- ND* B-2 234W 34 8/11/19981 4,700 10,000 <25 25 970 <5 0 -- -- -- / B-3 333W 33 8/12/1998 3,100 2,200 86 290 260 -- -- -- B-4 434W 34 8/13/1998 ND ND ND ND ND -- -- -- -- r B-5 534W 34 8/13/1998 ND ND ND ND ND -- -- -- -- r B-6 634W 34 8/13/19981 ND I ND I ND ND NID -- -- -- -- / B-7 734W 34 8/13/19981 ND I ND I ND ND I ND -- -- -- -- GP-2 19112 NA 6/]/2000 ND ND ND ND ND ND -- ND ND GP-3 19111 NA 6/1/2000 22 ND ND ND ND ND -- ND ND GP-4 19094 NA 6/1/2000 62 11 ND ND ND ND -- ND ND / GP-5 19093 NA 6/1/2000 86 ND ND ND ND ND -- ND ND SBA SBA 50 3/1/2005 <50 <0 5 <0 5 <0 5 <1 0 <0 5 -- -- ND* f SBB SBB 50 3/1/2005 <50 <0 5 <0 5 <0 5 <1 0 <0 5 -- -- ND* SBC SBC 50 3/2/2005 <50 <0 5 <0 5 <0 5 <1 0 15 -- -- 15' --- SBD SBD 50 3/2/2005 <50 <0 5 <0 5 <0 5 <1 0 <0 5 -- -- ND SBF SBF 52 3/3/2005 <50 46 <0 5 <05 <l 0 <0 5 -- -- ND BG SBG 52 3/3/2005 1 <50 <0 5 <0 5 <0 5 <1 0 <0 5 -- ND Notes: BTEX = Benzene,Toluene,Ethylbenzene, and Total Xylenes TPHg — Total petroleum hydrocarbons as gasoline MTBE = Methyl tert butyl ether Oxygenates/Additives = Gasoline oxygenates and additives(MTBE, DIPS, ETBE,TAME, TBA, 1,2-DCA, EDB) VOCs = Volatile organic compounds ND — Not detected(see lab reports for detection limits) -- = Not analyzed < = Less than indicated detection limit(not detected) * = Not analyzed for EDB MTBE(no other oxygenates or additives detected)