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Page 1 of 1 <br /> Mike Infurna [EH] <br /> ti. From Matt Hanko [hanko@geoconinc com] <br /> Sent Tuesday, December 13, 2005 12 00 PM <br /> To Mike Infuma [EH], Nuel Henderson [EH] <br /> Subject Ranch Market <br /> Gentlemen <br /> Included is a link to the US Army Corps of Engineers June 2002 guidance document, Soil Vapor Extraction and <br /> Sioventing, that Geocon used as the basis for the Geocon Workplan, Soil Vapor Extraction Rebound Test <br /> Workplan, dated November 15, 2005 <br /> !11tp llwww usace army mil/inet/usace-docs/eng-manuals/em1110-1-4001/toc htm <br /> Attached is a word document prepared by Geocon as a quick reference to the US Army Corps of Engineers <br /> guidance document sitting some of the USEPA documents used to prepare the guidance document Geocon <br /> primarily used information in the US Army Corps of Engineers guidance document provided in Chapter 9, System <br /> Shutdown and Confirmation of Cleanup and Appendix F, Overview of Rebound Test Procedures and Data <br /> Evaluation <br /> We trust that this should help aid you in your review and approval process of the Geocon Workplan <br /> Regards, <br /> Matt Hanko <br /> Senior Project Scientist <br /> (925)371-5900 ext 203 <br /> (925)785-5021 cell <br /> hanko@geoconinc com <br /> • <br /> 12/14/2005 <br />