Program Template photo identifier

Nuclear Waste Program

Liquid Effluent Retention Facility & 200 Area Effluent Treatment Facility Operating Unit Group 3 (OUG-3)

[TSD ID#: S-2-8 and T-2-8] Located in Hanford’s 200 East Area, these facilities handle liquid wastes from groundwater remediation and the condensate from the 242-A Evaporator. LERF stores liquid wastes, and ETF treats them. LERF’s storage capacity is 88.5 million liters. The unit began operating in the early 1990s.

Enforceable Permit:

Issued in accordance with the applicable provisions of the Hazardous Waste Management Act, Chapter 70.105 Revised Code of Washington (RCW), and the regulations promulgated there under in Chapter 173‑303 Washington Administrative Code (WAC). 

Permit Number: WA7890008967

Unit Specific Conditions  


A: Part A Form F: Preparedness & Prevention
B: Waste Analysis Plan G: Personnel Training
C: Process Information H: Closure Plan
D: Groundwater Monitoring Plan I: Inspection Requirements
E: Security Requirements J: Contingency Plan