United States · San Diego, CA · 32.912, -117.130 (approximate location)

APFA Accelerator Pulsed Fast Crit Assemb

APFA Accelerator Pulsed Fast Crit Assemb, a research reactor (fast) in San Diego, CA, United States, with 500 W of thermal power, operated by John Jay Hopkins Laboratory for Pure and Applied Science. Decommissioned, first critical in 1961.

It was one of the 340 research reactors the United States has had; 48 remain in operation today. It went critical 19 years after the first research reactor in the United States, CP-1, Chicago Pile 1 (1942). 15 fast research reactors remain in operation today across 6 countries.

Country

United States

City

San Diego, CA

Type

Fast

Thermal power

500 W

Operator

John Jay Hopkins Laboratory for Pure and Applied Science

Status

Decommissioned

First criticality

1961

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