United States · Idaho Falls, ID · 43.533, -112.945 (approximate location)

ARMF-I Advanced Reactivity Measurement

ARMF-I Advanced Reactivity Measurement, a research reactor (pool) in Idaho Falls, ID, United States, with 100 kW of thermal power, operated by ARMF Reactor, EG&G Idaho, Inc.. Decommissioned, first critical in 1960.

It was one of the 340 research reactors the United States has had; 48 remain in operation today. It went critical 18 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 isotope production, neutron radiography, training and activation analysis.

Country

United States

City

Idaho Falls, ID

Type

Pool

Thermal power

100 kW

Operator

ARMF Reactor, EG&G Idaho, Inc.

Status

Decommissioned

First criticality

1960

Purpose

Isotope production, neutron radiography, training, activation analysis, nuclear data, materials testing

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