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0 0 <br /> J L ANALYTICAL <br /> SERVICES, INC. <br /> 217 Primo Way . P.O.Box 576185 • Modesto,California 95357 <br /> Office(209)538-8111 . FAX(209)538-3966 <br /> number two. The result of the testing was to place more emphasis on removing soil at <br /> sample sites identified in attachment one as 2, 5, and 6. <br /> The next day, 18 July 1995, Mr. Jacobs returned to the site to review the progress of <br /> the soil removal and to evaluate the pH value of the soil which had not been removed. <br /> The results of the finding are tabulated in attachment 4. A map showing the site <br /> locations is represented as attachment 3. The outcome was to remove more soil in the <br /> regions identified as 1, 3, 4, 5, 6, 7, 9, 10, 11, and 12. In particular, the soil which <br /> appeared to he the engineered fill was completely removed in the region described as 4, <br /> 5, 6, and 7. This exposed what appeared to be the native soil which was of a clay type <br /> consistency. The native soil had a pH of 6.46 to 6.74. This was deemed suitable and <br /> excavation stopped in this region. <br /> Additional soil was removed in the region identified as 1, 2, 3, and 4 in attachment 5. <br /> After removal of the soil, the remaining soil was determined to range in pH from 4.01 <br /> to 7.54. As a result of this finding, excavation in area's 1 through 3 was stopped and <br /> more soil was removed at site 4. <br /> The next step was to take samples in the presence of the San Joaquin County <br /> Envirnmental Health Department representative. For this, Mr. Jacobs laid out a grid of <br /> ten sampling locations. The county representative gave his verbal approval and <br /> sampling commenced. Ed Stockton took pictures while sampling was being performed. <br /> The official documentation and reports which were generated as a result of this <br /> sampling are attached as attachments number seven. <br /> At this point the project reached closure. No more work was required on the native <br /> soil. Copies of all relevant documentation were forwarded to Mr. Stockton. If any <br /> questions arise as a result of this project, please feel free to contact JL Analytical. <br /> Respectfully Submitted, <br /> MA . Jacobs <br /> Director, Operations <br />