This report was prepared under the direction of the HANFORD ENVIRON. MENTAL DOSE RECONSTRUCTION PROJECTTechnical Steertn8 Panel by Battelle Memorial Institute's Pacific Northwest Laboratories operating the PacificNorthwest Laboratory for the U.S. Department of EnerBy(DOE). While funclinB for the work was provided by DOE, the work is not under DOE direction or control. The views and opinions of the authors expressedin this document do not necessarily reflect those of the United StatesGovernment or any asenc_ / thereof. Reference herein to any specific commercial product, processor service by trade name, trademark, manufacturer or otherwise does not necessarily constitute or imply its endorsement, recommendation or favorin8 by the U.S. Government or any asency thereof, nor by Battelle Memorial Institute.