... Montana and the Dakotas are part of Region 8 as well, these states have some distinct features. Most of Montana has characteristics of the Rockies, but the eastern areas of both Montana and ... in available particulate data sets, it’s clear that with certain areas not meeting current air quality standards and oil and gas production on the rise, these and other air quality impacts are ... Performance Standard NWF National Wildlife Federation O&G Oil and gas OCS Outer Continental Shelf OECA Office of Enforcement and Compliance Assurance (EPA) OGAP Oil & Gas Accountability...