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...e <br /> 15 September 2000 <br /> AGE-NC Project No. 95-0144 <br /> Page 2 of 2 <br /> • Advancement and sampling of four soil probe borings nearthe northwest portion of the property, <br /> in an area of impact previously not investigated. <br /> • Excavation of hydrocarbon-impacted soil from this area,if appropriate.Upon completion of the <br /> additional assessment activities,impacted soil will be excavated to a depth of approximately 18 <br /> feet bsg. <br /> The following is a tentative schedule for completion of the above work scopes, pending pre-approval <br /> of costs by the Underground Storage Tank Cleanup Fund (USTCF): <br /> • October 2000:Abandonment of the two air sparging wells.Advancement and sampling of probe <br /> boring in the northwest corner of the property.Performance of limited ground water extraction <br /> test in the former UST No. 8 area.Collection of ground water samples from wells MW-21 A and <br /> MW-21B and analysis for bioremediation parameters. <br /> • November 2000: Excavation impacted soil from the former UST No. 1 area and, if appropriate, <br /> the area of impacted soil near the northwest corner of the property. <br /> • Januar 2000: Installation of a limited ground water pump-and-treat system in the former UST <br /> No. 8 area, if appropriate. <br /> • February 2001: Begin full-time operation of the limited ground water pump-and-treat system, <br /> if appropriate. <br /> In addition to the proposed work scopes,quarterly ground water monitoring and reporting will continue <br /> at the site. The scope of work and tentative schedule was discussed in a meeting with the PHS-EHD on <br /> 19 September 2000. <br /> The opportunity to provide this service is greatly appreciated. If you have any questions or comments, <br /> please contact the undersigned at(209)467-1006. <br /> Sincerely, <br /> Advanced GeoEnvironmental, Inc. <br /> Robertd. artyy Zv __ <br /> Project Geologist/Dircctor perations <br /> cc: Mr. Jeffrey B. Setness, Esq. <br /> Mr. Marty Hartzell, California Regional Water Quality Control Board, Central Valley Region <br />