Chlorine dioxide is a water additive used to control microbes and can be used to control tastes and odors.

Kitchens and bathrooms typically have mechanical exhaust to control odors and sometimes humidity.

Controlling unpleasant odors among mental patients Hospitals, 27(2), 93-94.

Charles Sturken, a spokesman for the Department of Environmental Protection, said the fire had broken out in a system designed to control odors from the plant.

Farmers also save the costs of controlling odors and treating waste.

Throughout operations, a negative air pressure system controls odors from becoming a nuisance outside the facility.

Some "green" wastewater tank chemicals contain enzymes that are supposed to control odors and help breakdown the organic materials in the wastewater.

While litigation is pending on the matter, D.E.C. officials refuse to discuss its details, saying simply that the charges, including failure to control odors and dust, are serious.

"I've heard an estimate that $50 million or more is spent annually just for chemicals to control odors in sewers."

Growers frequently use carbon scrubbers and ventilation to control odors.