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envlYOSo <br /> collected when over-excavation is complete. These samples will be analyzed for TPPH, <br /> BTEX,Total Lead and MTBE on a 24-hour turnaround time frame. <br /> Task 6- Soil Stockpiling and Sampling <br /> Soils excavated from the tank pit and product line trenches, and any potential over- <br /> excavation soils will be stockpiled on-site. Enviros will collect one soil stockpile <br /> composite sample (consisting of four sub-samples) for every 100 cubic yards of soil <br /> removed during excavation activities. Stockpile samples will be submitted to a California- <br /> approved laboratory for chemical analysis for TPPH, BTEX, Total Lead and MTBE. A <br /> 24-hour turnaround time frame will be requested for stockpile sampling results. <br /> Sample results and a waste profile form will be submitted to Forward Landfill in Stockton, <br /> California. Upon acceptance, the soil will be transported to Forward by Manley and Sons <br /> Trucking of Sacramento, California. <br /> Task 7 -Report Preparation <br /> Following the receipt of chemical analytical data,Enviros will prepare a Tank Removal <br /> Report documenting field activities and presenting chemical analytical results. <br /> Scheduling <br /> Construction activities are scheduled to begin October 21, 1996. The corrective action <br /> phase of this work(tank removal and excavation and disposal of soil) is scheduled to be <br /> completed within the first three weeks of the project(i.e. by November 8, 1996). <br /> Completion of the entire project and re-opening of the station is scheduled to be complete <br /> by December 16, 1996. Weather and unforeseen construction conditions may affect this <br /> schedule. <br /> If you have any questions regarding the contents of this document,please call Diane <br /> Lundquist at (707) 935-4852. <br /> Sincerely, <br /> Enviros, Inc. <br /> Joe W. Neely QRpFESS(nyq <br /> Prcgq G/eo-�/l/oJgist ye� tiN. LU,y�QGF�y <br /> Diane M. Lund t, P.E. No. 046725 =y <br /> Senior Engineer <br /> C46725 pf�CA�F���\� <br /> 96378 4 <br />