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Treatment, Storage, and Disposal Unit Count
S-2-4 Single-Shell Tanks 5039
S-2-3 Double-Shell Tanks 2255
H-0-8 Waste Treatment and Immobilization Plant 2014
TS-2-5 Hanford Waste Vitrification Plant (Future) 1260
D-2-9 Low-Level Burial Grounds 1143
S-2-8 Liquid Effluent Retention Facility 885
T-2-8 200 Effluent Treatment Facility 749
TS-2-4 Central Waste Complex/Waste Receiving and Processing Facility 701
T-1-4 183-H Solar Evaporation Basins 662
T-2-6 242-A Evaporator 653
H-0-1 Hanford Sitewide Permit 647
D-2-5 216-B-3 Pond System 610
D-1-2 1301-N/1325-N Liquid Waste Disposal Facility 516
TD-2-1 Grout 500
T-2-9 Plutonium Finishing Plant 458
D-2-3 216-A-29 Ditch 432
TS-2-7 Contact Handled Transuranic Mixed Waste 427
T-1-2 1324-N/1324-NA Liquid Waste Facilities 394
D-3-1 300 Area Process Trenches 390
T-3-4 325 Waste Treatment Facility 370
D-6-1 600 Area Nonradioactive Dangerous Waste Landfill 361
TS-2-1 222-S Laboratories Treatment Tanks and Storage Building 358
D-2-7 216-S-10 Pond and Ditch 351
D-2-11 Integrated Disposal Facility (Formerly ILAW) 347
D-2-6 216-B-63 Trench 331
TS-2-6 PUREX Plant 324
H-0-9 Air Operating Permit 322
TS-2-3 B Plant 307
D-2-10 216-A-37-1 Crib 290
S-2-10 Waste Encapsulation Storage Facility 280
D-2-4 216-A-36B Crib 279
S-3-2 305-B Storage Facility 262
S-6-1 616 Nonradioactive Dangerous Waste Storage Facility 226
S-3-4 324 Radiochemical Engineering Cells/High-Level Vault 205
S-2-1 PUREX Storage Tunnels 184
D-1-1 100-D Ponds 176
S-3-1 303-K Contaminated Waste Storage Facility 175
T-3-1 300 Area Solvent Evaporator 164
S-2-5 2727-S Nonradioactive Dangerous Waste Storage Facility 147
TS-3-1 300 Area Waste Acid Treatment System/311 Tanks 147
TS-2-8 Low-Activity Waste Pretreatment System 145
D-2-1 2101-M Pond 138
TS-2-2 Hexone Storage and Treatment Facility 133
TS-3-2 304 Concretion Facility and Storage Area 133
T-1-1 105-DR Large Sodium Fire Facility 129
S-4-2 400 Area Waste Management Unit 119
D-2-8 216-U-12 Crib 98
T-2-5 241-Z Treatment Tank 95
S-2-7 207-A South Retention Basin 94
TS-6-1 600 Area Purge Water Storage and Treatment Facility 94
TS-3-4 Simulated High-Level Waste Slurry Treatment and Storage 92
S-2-9 241-CX Tank System 88
S-4-1 4843 FFTF Sodium Storage Facility 87
S-2-2 224-T Transuranic Waste Storage and Assay Facility 86
T-2-1 218-E-8 Borrow Pit Demolition Site 86
TS-1-1 Waste Water Pilot Plant Research, Development, and Demonstration 82
T-2-2 200-W Ash Pit Demolition Site 81
T-2-4 221-T Test Facility 73
TS-3-3 3718-F Alkali Metal Treatment and Storage Facility 73
T-11-1 1100 Area Hanford Patrol Academy Demolition Area 70
T-2-3 204-AR Waste Unloading Station 67
D-2-2 216-A-10 Crib 65
T-2-7 T-Plant Treatment Tank 59
T-3-2 303-M Uranium Oxide Facility 52
T-X-3 Thermal Treatment Test Facilities 52
T-X-2 Physical and Chemical Treatment Test Facilities 51
T-X-1 Biological Treatment Test Facilities 50
T-1-3 1706-KE Waste Treatment Facility 45
S-3-5 331-C Storage Unit 36
H-0-20 Bulk Vitrification and Demonstration Facility 35
S-2-12 Capsule Interim Storage 29
T-3-3 324 Sodium Removal Pilot Plant 25
S-2-11 Immobilized High-Level Waste Interim Storage Unit 24
S-3-3 332 Storage Facility 18
TS-4-1 Sodium Storage Facility and Sodium Reaction Facility 16
S-2-5 2727-S Nonradioactive Dangerous Waste Storage Facility 10
S-2-6 2727-WA Sodium Reactor Experiment Sodium Storage Building 10
T-4-1 437 Area Maintenance and Storage Facility 6
TS-2-3 2
Waste Treatment and Immobilization Plant 1
H-0-1 1
H-0-10 SNF (100-KR-2) 1
H-0-11 Groundwater Vadose 1
H-0-14 M-32 Milestone 1
H-0-16 1
H-0-4 Milestone 17 - Liquid Effluent 1
H-0-5 TWRS Environmental Impact Statement 1
H-0-7 300 Area Projects 1
H-0-8 1
S-2-10 Waste Encapsulation and Storage Facility 1
S-2-12 1
TS-2-5 Hanford Waste Vitrification Plant (Future) TS-2-8 Low Activity Waste Pretreatment System D-2-11 Integrated Disposal Facility (Formerly ILAW) 1