WASHINGTON (CNN) — The Defense Department sold equipment to the public that can be used for making biological warfare agents, according to a draft report by the General Accounting Office.

The Defense Department agency responsible for the sale of excess property to the public, the Defense Reutilization and Marketing Service, halted the sale of such items September 19 while the practice is reviewed.

“Many items needed to establish a laboratory for making biological warfare agents were being sold on the Internet to the public from DoD’s excess property inventory for pennies on the dollar, making them both easy and economical to obtain,” the GAO draft report said.