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Table 3 <br /> Amended Groundwater Analytical Data <br /> Total Petroleum Hydrocarbons <br /> (TPh as Gasoline,TPH as Diesel,and BTEX Compounds) <br /> Unocal Bulk Plant 0788 <br /> 8203 East 11 th Street <br /> Tracy, California <br /> TPH as TPH as <br /> Well Sample Gasoline Diesel Benzene Toluene Ethyibenzene Xylenes <br /> Number Date (ppb) (ppb) (ppb) (ppb) (ppb) (ppb) <br /> U-1 11/01/90 140 ND 16 ND ND 2.4 <br /> 02/14/91 140 ND 10 ND ND 2.1 <br /> 05/23/91 60 ND 56 ND ND 1.0 <br /> 08/30/91 ND ND 13 ND ND ND <br /> 11/06/91 ND ND ND ND ND ND <br /> 02/19/92 ND ND ND ND ND ND <br /> 03/31/92 ND ND 2.1 ND ND ND <br /> 05/08/92 ND 200a 8.7 0.7 ND ND <br /> 08/06/92 ND ND ND ND ND ND <br /> 11/18/92 ND 60a ND ND ND ND <br /> 01/21/93 ND ND ND ND ND ND <br /> U-2 11/01/90 670 ND 1.0 ND ND 42 <br /> 02/14/91 230 ND 6.9 ND 4.5 35 <br /> 05/23/91 350 ND 10 ND 13 57 <br /> 08/30/91 1,700 ND 53 ND 90 110 <br /> 11/06/91 290b ND 18 ND 12 30 <br /> 02/19/92 320 ND 9.2 ND 23 44 <br /> 04/01/92 130 ND 4.6 ND 8 28 <br /> 05/08/92 430 ND 18 ND 22 70 <br /> 08/06/92 ND ND ND ND ND ND <br /> 11/18/92 ND 50a ND ND ND ND <br /> 01/21/93 70 ND 8.2 ND ND 2.1 <br /> U-3 11/01/90 ND ND ND ND ND ND <br /> 02/14/91 ND ND ND ND ND ND <br /> 05/23/91 ND ND ND ND ND ND <br /> 08/30/91 ND ND ND ND ND ND <br /> 11/06/91 ND ND ND ND ND ND <br /> 02/19/92 ND 3,700 ND ND ND ND <br /> 04/01/92 ND ND ND ND ND ND <br /> 05/08/92 ND ND ND ND ND ND <br /> 08/06/92 ND ND ND ND ND ND <br /> 11/18/92 ND 60a ND ND ND ND <br /> 01/21/93 ND ND ND ND ND ND <br /> U-4 05/23/91 ND 50b ND ND ND ND <br /> 08/30/91 ND ND ND ND ND ND <br /> 11/06/91 ND ND ND ND ND ND <br /> 02/19/92 ND ND ND ND ND ND <br /> 04/01/92 ND ND ND ND ND ND <br /> 05/08/92 ND ND ND ND ND ND <br /> 08/06/92 ND 100a ND ND ND ND <br /> 11/18/92 ND 70a ND ND ND ND <br /> 01/21/93 ND ND ND ND ND ND <br /> 3100104/TRANIRAP April 27, 1993 <br />