United States · Milwaukee, WI · 43.051, -88.085 (approximate location)

Allis-Chalmers Critical Facility

Allis-Chalmers Critical Facility, a research reactor (critical assembly) in Milwaukee, WI, United States, with 1 W of thermal power, operated by Allis-Chalmers Greendale Laboratory. Decommissioned, first critical in 1959.

It was one of the 340 research reactors the United States has had; 48 remain in operation today. It went critical 17 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 training and nuclear data measurements.

Country

United States

City

Milwaukee, WI

Type

Critical assembly

Thermal power

1 W

Operator

Allis-Chalmers Greendale Laboratory

Status

Decommissioned

First criticality

1959

Purpose

Training, nuclear data

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