United States · Simi Valley, CA · 34.270, -118.746 (approximate location)

L-85 Nuclear Examination

L-85 Nuclear Examination, a research reactor (homogeneous) in Simi Valley, CA, United States, with 3 kW of thermal power, operated by Santa Susana Field Laboratory. Decommissioned, first critical in 1952.

It was one of the 340 research reactors the United States has had; 48 remain in operation today. It went critical 10 years after the first research reactor in the United States, CP-1, Chicago Pile 1 (1942). 15 homogeneous reactors remain in operation today across 6 countries. Its declared uses include training and materials testing.

Country

United States

City

Simi Valley, CA

Type

Homogeneous

Thermal power

3 kW

Operator

Santa Susana Field Laboratory

Status

Decommissioned

First criticality

1952

Purpose

Training, materials testing

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