United States · New Stanton, PA · 40.220, -79.604 (approximate location)

Westinghouse PAX Assembly

Westinghouse PAX Assembly, a research reactor (critical assembly) in New Stanton, PA, United States, with 1 MW of thermal power, operated by Westinghouse Astronuclear Experimental Facility (WANEF). Decommissioned, first critical in 1965.

It was one of the 340 research reactors the United States has had; 48 remain in operation today. It went critical 23 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 materials testing.

Country

United States

City

New Stanton, PA

Type

Critical assembly

Thermal power

1 MW

Operator

Westinghouse Astronuclear Experimental Facility (WANEF)

Status

Decommissioned

First criticality

1965

Purpose

Materials testing

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