Sources: CP staff; Environmental Protection Agency; Portland Cement Association, Skokie, Ill.
After 28 months of rulemaking, court action, and meetings with industry officials, the EPA issued its Final Emissions Limits for Portland Cement Manufacturing, citing prospective mercury, hydrochloric acid, particulate matter and total hydrocarbon level reductions from 82–93 percent against agency thresholds leading into 2010.
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