Pollution in Central Pennsylvania from tiny airborne particles is higher than allowed under new federal rules, but it still is unclear how the state and local governments will respond.
The U.S. Environmental Protection Agency said Dec. 17 that 18 Pennsylvania counties - including Cumberland, Dauphin, Lancaster, Lebanon and York were out of compliance with its new standard for fine-particle pollution, also known as soot. Parts of four other counties also were included.
The EPA long has restricted larger pollution particles, but the new limit is the agency's first venture into regulating the tiny pieces, called particulate matter 2.5 (PM 2.5). Regions that have reduced …
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