The EPA today released a final rule targeting toxic emissions from refineries and requiring fenceline monitoring for pollutants such as benzene. The EPA said the rule would result in a reduction of 5,200 tons per year of toxic air pollutants and 50,000 tons per year of VOCs by 2018. The agency estimated the rule carries a capital cost of $283 million, with an annualized cost of $63 million, but industry groups believe the price tag will be much higher.
The rule requires monitors that encircle a facility and can detect benzene at very low levels. It provides room for alternative monitoring methods that allow real-time monitoring.
The rule aims to reduce smoking flare emissions by mandating the installation of a minimum of three pollution prevention measures and continuous monitoring of flares and pressure release devices. All release events must be investigated to determine the cause and remedied. The rule designates a limit of no more than three events in three years.
Refiners will also be required to implement additional emissions reductions from storage tanks and delayed coking units.
The American Petroleum Institute (API) said that while the final rule represents a “substantial” improvement over the agency’s original proposal, it could still cost industry up to $1 billion. API said refinery emissions are already at safe levels due to participation in voluntary emission reduction programs.
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