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eNews Article
Following are dates and locations for several upcoming SEMA-sponsored shows, webinars and activities. Click on an item for more details.
eNews Article
The U.S. Environmental Protection Agency (EPA) lowered by 20% the National Ambient Air Quality Standards for fine particle pollution (PM2.5), from 15 micrograms to 12 micrograms per cubic meter averaged over a year. The EPA did not change the standard for coarse particle pollution (PM10), which...