→ Proposed amendments to the National Emission Standards for Hazardous Air Pollutants from the Portland Cement Manufacturing Industry

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The Environmental Protection Agency recently conducted a required residual risk and technology review of hazardous air pollutants from the Portland Cement Manufacturing Industry, and is now proposing amendments to the National Emission Standards for Hazardous Air Pollutants in response to the review. The review found risks due to emissions of air toxins from the Industry to be acceptable, and has identified no new cost-effective controls to achieve further emissions reductions. The Environmental Protection Agency is therefore 'proposing no revisions to the numerical emission limits.' The amendments to the National Emission Standards proposed in this document would 'result in improved monitoring, compliance, and implementation of the rule,' but will not 'result in reductions in emissions of hazardous air pollutants' from the Portland Cement Manufacturing Industry.