United States · West Mifflin, PA · 40.368, -79.897 (approximate location)

Bettis TRX CA

Bettis TRX CA, a research reactor (critical assembly) in West Mifflin, PA, United States, with 10 W of thermal power, operated by Bettis Atomic Power Laboratory. Decommissioned, first critical in 1953.

It was one of the 340 research reactors the United States has had; 48 remain in operation today. It went critical 11 years after the first research reactor in the United States, CP-1, Chicago Pile 1 (1942). 44 critical assemblies remain in operation today across 12 countries. Its declared uses include nuclear data measurements and materials testing.

Country

United States

City

West Mifflin, PA

Type

Critical assembly

Thermal power

10 W

Operator

Bettis Atomic Power Laboratory

Status

Decommissioned

First criticality

1953

Purpose

Nuclear data, materials testing

See also: every research reactor in United States · How research reactors work