The agency generally does not review and approve supplements before they go to market.
The agency eventually approved the test, although for business reasons the company never sold any.
The agency approved the rule last January despite industry objections.
The third development, which the agency approved yesterday, will have 396 apartments in a 27-story building.
After those hearings, the agency will either approve or reject the system.
He said the agency "never would have approved" such a job.
If the federal agency approves the operation, it is expected to cost about $10,000.
As of January, he said, the agency had approved only eight.
At that time the agency could approve or reject it.
Last year, the agency approved 22,440 of 33,000 pilot requests.