The proposed modification will incorporate the draft Environmental Performance Demonstration Test (EPDT) plan for the Low-Activity Waste (LAW) facility into the WTP Permit, as well as revise the Part A and permit conditions to support the EPDT.
This draft agency-initiated WTP Permit Modification (8C.2018.3D) focuses on the permitting documentation and language to support the performance of the draft EPDT. The draft EPDT plan describes feed and testing that are proposed to prepare the LAW facility for the final step in cold commissioning. Cold commissioning is a test of LAW facility subsystems without the introduction of dangerous wastes. Testing will be conducted using first water and then simulated waste. For more information see the NWP Public Comment Page.
The Hanford Waste Treatment & Immobilization Plant (WTP) is a waste management facility under construction just outside the eastern boundary of the 200 East Area of the Hanford site. It is regulated by the Hanford Sitewide Permit. When completed, the WTP will chemically separate, treat, and immobilize the majority of Hanford’s 56 million gallons of radioactive and chemical waste currently stored in 177 underground tanks using a process called vitrification.
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