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A � fEIVCE <br /> THE RE91ULTS TEAM <br /> January 24, 1996 <br /> San Joaquin County, Environmental Health Division County Site Code #1968 <br /> P.O. Box 388 Alton Project No, 30-0136 <br /> 445 North San Joaquin Street <br /> Stockton, California 95201-0388 <br /> ATTN: MS. MARY MEAYS <br /> SITE: FORMER MOBIL BULK PLANT 04-343 <br /> 500 EAST GRANTLINE ROAD <br /> TRACY, CALIFORNIA <br /> RE: QUARTERLY PROGRESS REPORT <br /> FOURTH QUARTER OF 1995 <br /> Dear Ms. Meays: <br /> Please find enclosed the Fourth Quarter 1995 Progress Report for the subject location, prepared <br /> for Mobil Oil Corporation by Alton Geoscience. The contents of this report include: <br /> Summary Sheet <br /> Exhibit 1: Sampling Schedule <br /> Exhibit 2: Groundwater Levels and Chemical Analysis Tables <br /> Exhibit 3: Figures 1 - 4 (Vicinity Map, Groundwater Elevation Contour Map, Dissolved- <br /> phase TPH-D Concentrations, Dissolved-phase Benzene Concentrations) <br /> Exhibit 4: Benzene vs. Groundwater Elevation Graphs <br /> Exhibit 5: Well Purging and Groundwater Sampling Protocol <br /> Exhibit 6: Monitoring Well Sampling Forms <br /> Exhibit 7: Analytical Laboratory Data Sheets <br /> If you have any questions regarding this report, please call Ms. Cherine Foutch, Mobil Engineer, <br /> at (510) 625-1173, or Ailsa Le May, Alton Geoscience Geologist, at (510) 606-9150. <br /> Sincerely, <br /> ALTON GEOSCIENCE <br /> ISGL. J. 4#—Ma- <br /> Ailsa S. Le May <br /> Geologist <br /> 30-0136/0434310.QFM <br /> 30A Lindbergh Avenue <br /> Livermore,California 94550 <br /> (510)606-9150•FAX(510)606-9260 <br />