Romanian uranium taken to secure site

WASHINGTON — The last remaining bomb-grade uranium has been shipped out of Romania as part of a U.S.-Russian nuclear nonproliferation program, the Energy Department reported Tuesday.

Officials at the department’s National Nuclear Security Administration said the highly enriched uranium was taken from two research reactors in Romania and flown to Russia for secure storage. The shipment weighed 118 pounds.

Russia had provided the uranium years ago. The NNSA, working with Romanian officials, moved all the highly enriched uranium, or HEU, of U.S. origin, out of Romania in 2008.

The effort in Romania is part of a broader program to return all of the HEU that had been provided to various countries by either the former Soviet Union or by the United States for civilian nuclear research back to the originating countries where the material can be kept in more secure locations.

A crude nuclear bomb can be made from as little as 33 pounds of highly enriched uranium. Nuclear nonproliferation watchdog groups say lax security is a problem at many of the research reactors around the world where HEU continues to be located.

Recently, a shipment of 52 pounds of HEU was taken from a research reactor in Magurele, Romania, and a shipment of 66 pounds was removed from a reactor in Pitesti, Romania. The uranium was shipped in special containers to two separate secure sites in Russia, the U.S. officials said.

“With these shipments, all HEU has been successfully removed from Romania,” NNSA Administrator Thomas D’Agostino said in a statement released Tuesday. The shipments were completed this week, but the announcement was not more specific on a timetable.

President Barack Obama earlier this year outlined a U.S. commitment to speed up the movement of vulnerable nuclear material from research reactors around the world.

With the Romanian shipments, a total of 1,896 pounds of Russian-origin HEU has been returned to Russia, from 11 countries, the NNSA said.

But watchdog groups say there are still large amounts of uranium suitable for bomb making at research reactors in numerous countries.

While the pace of removing HEU from research reactors has stepped up there still exists “weak security at many of the roughly 130 research reactors worldwide still using HEU fuel,” said a 2008 report by Harvard’s Belfer Center for Science and International Affairs.