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Table 3 <br /> Groundwater Analytical Data <br /> Total Petroleum Hydrocarbons <br /> (TPh as Gasoline,TPH as Diesel,and BTD(Compounds) <br /> Unocal Bulk Plant 0788 <br /> 8203 East 11th Street <br /> Tracy, California <br /> TPH as TPH as <br /> Well Sample Gasoline Diesel Benzene Toluene Ethylbenzene Xylenes <br /> Number Date (ppb) (ppb) (ppb) (ppb) (ppb) (ppb) <br /> U-1 11/11/90 140 ND 19 NO 2.4 3 <br /> 02/14/91 60 ND 10 NO NO 2.1 <br /> 05/23/91 NO NO 56 NO NO 1.0 <br /> 08/30/91 NO NO 13 NO NO ND <br /> 11/06/91 NO NO -ND ND NO ND <br /> 02/19/92 ND NO NO NO NO ND <br /> 03/31/92 ND ND 2.1 NO ND NO <br /> 05/08/92 ND 200a 8.7 0.7 NO ND <br /> 08/06/92 NO ND ND ND ND ND <br /> 11/18/92 NO 80a NO ND ND' ND' <br /> 01/21/93 NO ND NO ND NO ND <br /> U-2 11/11/90 670 ND 2 ND NO 99 <br /> 02/14/91 230 NO 6.9 ND 4.5 35 <br /> 05/23/91 350 ND 10 NO 13 57 <br /> 08/30/91 1,700 NO 53 ND 90 110 <br /> 11/06/91 290b NO 18 NO 12 30 <br /> 02/19/92 320 NO 9.2 NO 23 44 <br /> 04/01/92 130 NO 4.6 NO 8 28 <br /> 05/08/92 430 NO 18 NO 12 30 <br /> 08/06/92 ND NO NO NO ND NO <br /> 11/18/92 ND 50a NO NO NO NO <br /> 01/21/93 70 NO 8.2 NO ND 2.1 <br /> U3 11/11/90 ND NO NO ND ND NO <br /> 02/14/91 NO NO NO ND ND NO <br /> 05/23/91 NO NO NO NO ND NO <br /> 08/30/91 NO ND NO NO ND ND <br /> 11/06/91 NO NO NO NO ND NO <br /> 02/19/92 NO 3,700 NO NO ND ND <br /> 04/01/92 NO NO NO ND NO NO <br /> 05/08/92 ND NO NO ND NO NO <br /> 08/06/92 NO NO NO ND NO NO <br /> 11/18/92 ND 60a NO NO NO ND <br /> 01/21/93 ND NO ND NO NO NO <br /> U-4 05/23/91 ND 50b ND NO NO ND <br /> 08/30/91 ND NO ND NO ND ND <br /> 11/06/91 NO NO NO NO NO NO <br /> 02/19/92 NO NO ND NO ND NO <br /> 04/01/92 ND NO ND NO ND NO <br /> 05/08/92 ND NO NO ND NO NO <br /> 08/06/92 NO 100a ND NO NO NO <br /> 11/18/92 NO 70a NO NO NO NO <br /> 01/21/93 NO NO NO NO NO NO <br /> 3100104/IRAP March 18, 1993 <br />