The Umatilla Chemical Agent Disposal Facility (UMCDF) Tuesday submitted a Temporary Authorization Request (TAR) to the Oregon Department of Environmental Quality (DEQ) to construct, install and test the Rinsate Feed Collection System (RCS). The TAR does not request approval to process HD rinsate through the system before receiving approval.
The removal of the solid or semi-solid material, referred to as “heel” in HD ton containers (TCs), has presented challenges throughout the chemical weapons demilitarization program. The UMCDF currently sprays the inside of donor TCs containing heel with high-pressure hot water to partially mobilize the heel and transfer the resulting mixture (heel/water), referred to as HD rinsate, to a recipient TC. Currently, TCs of HD rinsate are treated in the Metal Parts Furnace (MPF), roughly doubling the amount of waste that must be processed in the MPF. The proposed RCS would provide an additional method of treatment for the HD rinsate by treating the liquid fraction in the Liquid Incinerators (LICs).
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