This story was originally produced by the New Hampshire Bulletin, an independent local newsroom that allows NHPR and other outlets to republish its reporting. It was a Monday in February with a low of ...

See Report 19-P-0251. OIG states that it conducted an audit to determine the effectiveness of EPA oversight in assuring “that emission stack tests are conducted in accordance with EPA regulation, ...

The Environmental Protection Agency’s emission factor resource, AP-42, is not your only option for developing particulate matter (PM) emission rates. Results of a prominent PM emissions measurement ...

The Alabama Department of Environmental Management’s Air Division recently issued a revised version of its long-standing guidance document “Emissions Test Protocol and Test Report Requirements.” The ...