The Environmental Protection Agency (EPA) is currently considering revisions to the National Ambient Air Quality Standard (NAAQS) for particulate matter. That change may be proposed in early 2011, and the revisions may make it much more costly and difficult for mines and mills to operate. The bottom line is to pay close attention as these standards are developed and to submit solid data to support distinctions between urban and rural particulate; as well as data showing how much particulate pollution arises from natural and out-of-state sources. These data may help avoid needlessly draconian standards.
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Reprinted with permission from Aggregates Manager Magazine.