the Army remove compounds of potential concern that exceed naturally occurring levels. Munitions or other waste buried below depths of concern for hunting and farming are not a concern for the Umatilla tribes.42

It is beyond the scope of the committee’s work to consider cleanup standards outside the UMCDF portion of the UCD, but the Army should work with the Oregon regulatory authorities and UMADRA to resolve the tribes’ request so as to avoid unnecessary delays to completing closure.


Bechtel Aberdeen. 2007. 24719-100-30L-B93H-00009—Revision 0 Aberdeen Chemical Agent Neutralization Facility RCRA Closure Certification Report. APG Edgewood Area, MD: Bechtel Aberdeen.

EPA (U.S. Environmental Protection Agency). 2009. SW-846 Test Methods for Evaluating Solid Waste, Physical/Chemical Methods. Washington, D.C.: U.S. Environmental Protection Agency.

NRC (National Research Council). 2007. Review of Chemical Agent Secondary Waste Disposal and Regulatory Requirements. Washington, D.C.: The National Academies Press.

NRC. 2008. Review of Secondary Waste Disposal Planning for the Blue Grass and Pueblo Chemical Agent Destruction Pilot Plants. Washington, D.C.: The National Academies Press.

NRC. 2009. Disposal of Activated Carbon from Chemical Agent Disposal Facilities. Washington, D.C.: The National Academies Press.

URS. 2008. Decommissioning Plan Appendix 3: Material and Waste Management Plan. Princeton, NJ: URS.

U.S. Army. 2007. TB MED 577: Sanitary Control and Surveillance of Field Water Supplies. Washington, D.C.: Headquarters, Department of the Army.


Teleconference with Rodney S. Skeen, Manager, Engineering and Modeling Program, Department of Science and Engineering, Confederated Tribes of the Umatilla Indian Reservation; Todd Kimmell and Leonard Siegel, committee members; and Nancy Schulte and Harrison Pannella, NRC staff; May 26, 2010.

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