VSC-24 Ventilated Concrete Cask

BNFL Fuel Solutions

Canister-based, storage-only

PWR

Reinforced concrete with inner steel shell

Canister lid, welded cask lid (6 bolts)

58 loaded (3 sites); 4 purchased2

NAC-MPC

NAC International

Canister-based, dual-purpose

PWR

Metal canister surrounded by storage overpack. Storage overpack consists of an inner steel liner 3.5 in. thick, two rebar cages, and concrete

Canister lid, welded cask lid over a shield plug (6 high-strength bolts)

21 loaded (Yankee Rowe and CT Yankee); 59 purchased

NAC-UMS

NAC International

Canister-based, dual-purpose

PWR, BWR

Metal canister surrounded by storage overpack. Storage overpack consists of inner steel liner 2.5 in. thick, two rebar cages, and concrete

Canister lid, welded cask lid over a shield plug (6 high-strength bolts)

80 loaded (2 sites); 165 purchased

Holtec MPC 24E/EF

Holtec International

Canister based, dual-purpose

PWR, BWR

Metal canister surrounded by storage overpack. Storage overpack consists of inner and outer steel liners, a double-rebar cage, and concrete

Canister lid, welded cask lid, shield plug plus 48 bolts

34 loaded (Trojan); 0 purchased

NUHOMS 24P, 52B, 61BT, 24PT1, 24PT2, 32PT

Transnuclear Inc.

Canister-based, dual-purpose

PWR, BWR

Horizontal reinforced concrete storage module with shielded canister

Canister lid, welded storage module lid, reinforced concrete

239 loaded (10 sites); >150 purchased



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