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AUG 05 '92 12:55P11 ULTRAMAR INC. I P.2/2 <br /> f. <br /> . TABLE 2 <br /> RESULTS OF LABORATORY ANALYSES OF <br /> GROUND-WATER SAMPLES <br /> LOD1 , CALIFORNIA <br /> (Page 2 Of 2) <br /> Monitoring <br /> Well Date 8 T E X TPHg <br /> MW-4 11/21/86 24.0 157. 3.0 22.0 305. <br /> 01/14/88 52.8 4.1 2.2 18.8 460. <br /> 06/07/88 2. 1 29.4 4,4 20.8 1070. <br /> 09/07/88 12.1 6.6 1 .5 11. 1 70. <br /> 12/06/88 12.8 6.0 3. 1 16.7 260, <br /> 03/03/89 14.4 4. 1 2.4 14.0 460. <br /> 07/21/89 15.0 5.9 3.6 44.0 <5000. <br /> 09/28/89 48.0 2.5 <0.5 74,0 210. <br /> 12/15/89 <0.5 <0.5 <0.5 <0.5 <50, <br /> 03/19/90 <0.5 <0,5 <0.5 <0.5 <50. <br /> 05/20/92 <0,5 <0.5 <0.5 <0.5 68. <br /> MW-5 03/23/87 3.4 3.9 0,7 4.3 48.8 <br /> 01/15/88 <0.5 0.7 0.5 <0.5 60. <br /> 06/07/88 <0.5 2. 1 0.9 7.0 60. <br /> 09/07/88 <0.5 <0.5 <0.5 <0.5 30. <br /> 12/06/88 <0.5 <0.5 <0.5 <0.5 20. <br /> 03/03/89 <0.5 <0.5 <0. 5 2.0 70. <br /> 07/21/89 1 .9 3.2 1 .2 7.0 <5000. <br /> 09/28/89 <0.5 <0.5 <0.5 <0.5 <50. <br /> 12/14/89 <0.5 <0.5 <0.5 <0.5 <50. <br /> 03/19/90 <0.5 <0. 5 <0.5 <0.5 <50, <br /> 05/20/92 <0.5 <0.5 <0. 5 <0. 5 <50. <br /> Results in parts per billion (ppb) ; B - Benzene; T - Toluene; E- Ethylbenzene; <br /> X - Xylenes; TPHg = Total Petroleum Hydrocarbons as Gasoline; < Less than the <br /> laboratory method of detection limit; <br /> NA - Not Analyzed <br /> i <br />