Upper Green River Basin

Ultra citation alleges Sublette gas well emission violations

After a season of heavy ozone pollution, DEQ cites energy company alleging seven violations of air-quality permits.

June 25, 2019 by Angus M. Thuermer Jr. 6 Comments

After a season of heavy ozone pollution, DEQ cites energy company alleging seven violations of air-quality permits.

State group: Wyoming needs special winter rules for sage grouse

May 12, 2015 by Dustin Bleizeffer 3 Comments

Wyoming’s “core area” designation will not include critical winter range inside a proposed gas field, but a team will recommend special winter stipulations there.

Study links Wyoming winter ozone to drillers’ wastewater plant

April 2, 2015 by Environment & Energy News Leave a Comment

Emissions from wastewater recycling at oil and gas drilling sites likely contributed to a string of high-ozone events in the winter of 2011 in Wyoming's Upper Green River Basin, according to a study released this week.

Tempest buffets new air quality rules for Sublette County

December 2, 2014 by Angus M. Thuermer Jr. 2 Comments

Wyoming’s Air Quality Advisory Board hears conflicting views on Wyoming standards as feds move further to reduce ozone.

University of Wyoming researchers contribute to paper on high ozone events

October 1, 2014 by WyoFile Leave a Comment

Researchers learned that wintertime ozone production in the Uintah Basin occurs at lower concentrations of nitrogen oxides (NO) and much larger volatile organic compound (VOC) concentrations compared to summertime zone production in most urban areas.

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Upper Green River Basin

Ultra citation alleges Sublette gas well emission violations

State group: Wyoming needs special winter rules for sage grouse

Study links Wyoming winter ozone to drillers’ wastewater plant

Tempest buffets new air quality rules for Sublette County

University of Wyoming researchers contribute to paper on high ozone events

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