Ozone

Following through on a proposal it made last year, the Environmental Protection Agency (EPA) has strengthened the National Ambient Air Quality Standards (NAAQS) for ground-level ozone to 70 parts per billion (ppb) from 75 ppb.

A U.S. Court of Appeals for the DC Circuit Tuesday upheld the U.S. Environmental Protection Agency’s (EPA) decision not to designate the Uinta Basin in Utah as a nonattainment area for ozone.The Western Energy Alliance (WEA), which was in a rare alignment with EPA on the case, applauded the decision.

A U.S. Court of Appeals for the DC Circuit Tuesday upheld the U.S. Environmental Protection Agency's (EPA) decision not to designate the Uinta Basin in Utah as a nonattainment area for ozone.The Western Energy Alliance (WEA), which was in a rare alignment with EPA on the case, applauded the decision.

Progress is being made in combating ozone at new oil/gas drilling sites in the Upper Green River Basin in Wyoming, but older sites are being left to pollute, according to an ad hoc report by a small number of a 28-member governor's task force that was disbanded two years ago.