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Category: Lead Walls

Oconee Heat Exchanger Skid Shielding

BEFORE AFTER Oconee Nuclear Station contacted NPO to develop a permanent shielding solution for the Supplemental Spent Fuel Cooling Heat Exchanger. The heat exchanger is located inside the truck bay with one side exposed to the main truck bay door at the Radiologically Controlled Area (RCA) boundary. The ALARA planners at Oconee wanted a permanent […]

Heat Exchanger Shielding – Permanent Installation

As part of a long-term dose reduction plan, Ameren Callaway sought to install permanent shielding around one of their regen heat exchangers. The intention was to replace the dozens of lead wool blankets used as temporary shielding, and more importantly, eliminate the time and dose costs associated with installing and uninstalling the temporary shielding package. Working […]

Reactor Head Flange Shielding

TVA Sequoyah needed a way to shield the surrounding area of their reactor head while inspection work was being done. To avoid setting up scaffolding or stand alone lead blanket racks that would take up valuable floor space, NPO designed lead blanket racks that would make use of the stud holes of the reactor head […]

Lead Panels and Water Shields

Sometimes the right shield for the job involves placing a shield as close to the source as possible as with pipe and valves shields, but other times the best solution is to put as much shielding as possible into a wall and create general area shielding for the workers. Lead panel shield walls and water shields […]

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NPO has supplied products and services since 1976 that address ALARA needs worldwide in the areas of radiation shielding and contamination control.

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