The international chemical weapons watchdog says stockpiles captured so far in Libya are in line with what Moammar Gadhafi's regime had previously declared, and no new weapons have been found.
The fate of the country's chemical weapons and precursors had been uncertain amid the chaos of the country's civil war.
Gadhafi used chemical weapons against Chad in the 1980s, but agreed to disband his weapons program in 2003.
The Organization for the Prohibition of Chemical Weapons said Thursday remaining stockpiles appear under control after being seized by fighters for the country's new government last week.
The organization says around half of Gadhafi's supplies were destroyed before the revolution, and remaining stores of mustard gas can be destroyed within a month.