Category: On The Source

Millstone Hot Spot Shielding

In 2025, Millstone Power Station faced a persistent dose rate challenge at a 45° elbow hot spot, where dose rates exceeded 20 Rem/hr. The existing temporary solution—shielding blankets wrapped around the pipe—was both visually unappealing and insufficient attenuation. Positioned overhead, the source posed unnecessary exposure to personnel working in the area. To address the issue, […]

T-Flex Pipe and Valve Shields

T-Flex is the most versatile shielding material that NPO has to offer. Its ability to be poured as a liquid and cured as a flexible solid makes it ideal for fitting the maximum amount of shielding around a component while keeping space and weight to a minimum. The most common way this is put into […]