Which agency would regulate a kind of filtering system on a factory smokestack?

environmental protection agency - epa
center for disease control and prevention - cdc
occupational safety and health administration - osha
national institutes of health - nih
food and drug administration - fda

idk if this would be with business, but i'm in economics class. it looks about right.

What strategy was used to rescue illinois prairie chickens from a recent extinction vortex? what strategy was used to rescue illinois prairie chickens from a recent extinction vortex? establishing a nature reserve to protect its habitat determining the minimum viable population size by taking into account the effective population size introducing individuals from other populations to increase genetic variation reducing the population size of its predators and competitors?