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U.S. Department of Energy
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242-A evaporator dangerous waste permit application

Technical Report ·
OSTI ID:5497934
The 242-A Evaporator is a waste management unit within the Hanford Facility that consists of process vessels and support systems for heating, evaporating, and condensing double-shell tank (DST) waste generated by Hanford Site operations. Operation of the 242-A Evaporator serves to reduce the volume of waste solutions within the DSTs that do not self-boil, while separating inorganic and radionuclide constituents from organic constituents. This operation reduces the number of underground DSTs required for waste storage and also makes the mixed waste more suitable for future treatment and disposal (i.e., grouting and vitrification). The 242-A Evaporator receives mixed-waste streams from the DSTs that contain organic and inorganic constituents and radionuclides. The waste is a dangerous waste (DW) because of corrosivity, reactivity, and toxicity characteristics, and is an extremely hazardous waste (EHW) as a result of toxicity (state criteria only), carcinogenicity, and persistence under the state mixture rule. The waste also contains spent nonhalogenated solvents.
Research Organization:
USDOE Richland Operations Office, WA (United States)
Sponsoring Organization:
DOE; USDOE, Washington, DC (United States)
OSTI ID:
5497934
Report Number(s):
DOE/RL-90-42-Vol.1; ON: DE91017433
Country of Publication:
United States
Language:
English

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