United States · Idaho Falls, ID · 43.494, -112.006 (approximate location)

RMF Reactivity Measurement Facility

RMF Reactivity Measurement Facility, a research reactor (pool) in Idaho Falls, ID, United States, with 100 W of thermal power, operated by National Reactor Testing Station Idaho. Decommissioned, first critical in 1954.

It was one of the 340 research reactors the United States has had; 48 remain in operation today. It went critical 12 years after the first research reactor in the United States, CP-1, Chicago Pile 1 (1942). 48 pool-type reactors remain in operation today across 28 countries. Its declared uses include nuclear data measurements.

Country

United States

City

Idaho Falls, ID

Type

Pool

Thermal power

100 W

Operator

National Reactor Testing Station Idaho

Status

Decommissioned

First criticality

1954

Purpose

Nuclear data

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