Two more rockets leaking the deadly chemical weapon sarin have been found at Kentucky's Blue Grass Army Depot, but officials said there's no danger to the public.

The two M55 rockets were discovered leaking Tuesday, bringing to five the number of leaking munitions discovered since late May in the depot's stockpiles of aging chemical weapons near Richmond.

In all, Blue Grass now has 76 leaking M55 rockets that have been placed in leak-proof containers called "overpacks," said Richard Sloan, spokesman for Blue Grass Chemical Activity, which stores and monitors the weapons awaiting destruction under an international treaty.

Sara Thilman, who with her husband, Tom, lives near the edge of the depot, said she finds the situation troubling.

"It seems that it's happening more frequently and that bothers me," she said.

Craig Williams, director of the Chemical Weapons Working Group, a watchdog group that keeps track of conditions at the Richmond facility, said there has been no pattern of increased leaks as the 1960s-vintage rockets have aged.

"That's not to say that couldn't change," he said.

But the discovery of more leaks "only underscores the need for expedient and safe disposal of this stockpile because it is the only way to eliminate any potential risks associated with these weapons of mass destruction stored here in Kentucky," Williams said.

Kentucky's two senators agreed. "This just emphasizes the need to get these chemical weapons cleaned up as soon as possible," Sen. Jim Bunning, R-Ky., said in a statement.

Sen. Mitch McConnell, R-Ky., said he was "deeply disturbed" by the leaks.

"The longer these toxins are stored, the more unstable they become and greater potential for harm they pose for Kentuckians," McConnell said in a statement.

McConnell has added language to this year's defense spending bill requiring the Pentagon to spend $813.4 million previously earmarked for Blue Grass and a similar Colorado facility. The Pentagon had frozen the money.

Bunning last year won congressional approval for $1 million for improved air monitoring of the Blue Grass stockpiles.

Before the most recent leaks, the last sarin leak had been in 2000, Sloan said. Another chemical, mustard gas, escaped from weapons twice each in 2001, 2002 and 2003, he said.

As with last month's leaks, local and state officials were informed of this week's sarin leak in a weapons storage building known as an igloo, Sloan said

"The leak was detected at very low levels inside the igloo. We never detected any agent outside the igloo," he said.

The leaking rockets, each of which is about 7 feet long, were sealed inside the steel overpacks, Sloan said.

Those rockets and the three that were similarly sealed last month will be moved to a different storage igloo once air samples show there are no more leaks from other rockets.

Readings on sarin in the igloo yesterday were "negligible -- zero to just barely a trace," Sloan said.

The military no longer releases numbers on total rockets at Blue Grass, but Williams said 51,716 contain sarin and another 17,733 contain the deadly nerve agent VX.

Sarin is a liquid that can quickly evaporate. When absorbed through the skin or inhaled, sarin attacks the human nervous system. VX is a gas that also attacks the nervous system.

Under international treaty, the United States is required to destroy all of its chemical weapons by 2012.

After initially proposing a delay in destroying the weapons at Blue Grass, the Pentagon has decided to proceed with designing and building a disposal facility there.