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Table 5 <br /> TPH-d Concentration Comparison <br /> Investigation Summary Report- NuStar Stockton Facility <br /> Stockton, California <br /> Zone Well Date TPHd TPHd w/ <br /> Si Gel <br /> ACA-4C 2/1/10 0.73 0.089 <br /> 5/3/10 0.96 <0.2 <br /> 8/4/10 0.24 <0.05 <br /> 11/1/10 0.83 <0.08 <br /> 2/7/11 1.2 <0.05 <br /> 5/2/11 1.3 <0.1 <br /> 2/8/12 1 0.064 <br /> 5/7/12 1.2 <0.05 <br /> C 8/6/12 0.079 <0.05 <br /> (continued) ACA-5C 2/2/10 0.065 <0.05 <br /> 5/3/10 0.09 <0.05 <br /> 8/2/10 0.12 <0.05 <br /> 11/1/10 0.11 <0.05 <br /> 2/9/11 0.12 <0.05 <br /> 5/2/11 0.13 <0.05 <br /> 2/8/12 0.2 <0.05 <br /> 5/7/12 0.17 <0.05 <br /> 8/7/12 0.22 <0.05 <br /> OW-6D 8/4/10 0.14 <0.05 <br /> 8/6/12 0.094 <0.05 <br /> OW-7D 8/3/10 0.071 <0.05 <br /> 8/8/12 <0.05 <0.05 <br /> ACA-3D 8/31/10 0.56 0.11 <br /> 11/2/10 0.087 <0.05 <br /> 2/9/11 0.052 <0.05 <br /> 5/3/11 0.064 <0.05 <br /> 11/9/11 0.097 <0.05 <br /> D 2/8/12 0.08 <0.05 <br /> 5/8/12 0.072 <0.05 <br /> 8/8/12 0.1 0.063 <br /> ACA-5D 9/1/10 0.67 <0.05 <br /> 11/1/10 0.056 <0.05 <br /> 2/9/11 <0.05 <0.05 <br /> 5/2/11 <0.05 <0.05 <br /> 11/9/11 0.079 <0.05 <br /> 2/8/12 0.14 <0.05 <br /> 5/8/12 0.072 <0.05 <br /> 8/7/12 1 0.07 0.06 <br /> Note: <br /> Samples were analyzed for TPH-d twice using two independent sample preparation methods: (1)silica-gel <br /> treatment of the extract; and (2) no silica-gel treatment. <br /> Revised Cleanup Plan <br /> Stockton Facility <br /> 1014-12 <br /> Page 2 of 2 <br />