In its supporting documents explaining the rationale behind proposed changes to its Risk Management Program rule under the Clean Air Act, the Environmental Protection Agency highlights how the changes seek to better prepare facilities in the event of an accidental release.

Sodium hypochlorite and chlorine gas have been used for microbiological control of cooling water systems for more than 40 years.

Owners and operators of industrial and commercial refrigeration systems could face stringent new requirements if a current proposal from the Environmental Protection Agency (EPA) becomes effective. Owners and operators in California already must satisfy new mandates thanks to new regulations already implemented by the California Air Resources Board (CARB).

PCS Nitrogen has agreed to reduce air emissions from phosphoric acid production at its facility in Geismar, La., according to reports by the U.S. Environmental Protection Agency and the Louisiana Department of Environmental Quality.

A Clean Air Act settlement was reached with Tyson Foods Inc., Springdale, Ark., and several of its affiliate corporations, to address threats of accidental chemical releases after anhydrous ammonia was released during incidents at several of its facilities.