Peer Reviewed: The Difficult Challenge of Attaining EPA's New Ozone Standard

@inproceedings{Lefohn1998PeerRT,
  title={Peer Reviewed: The Difficult Challenge of Attaining EPA's New Ozone Standard},
  author={Allen S. Lefohn and Douglas S. Shadwick and Stephen D. Ziman},
  year={1998}
}
On September 16, 1997, the new 8-hour ozone standard replaced the previous 1-hour primary ozone standard. EPA set the new standard at 0.08 parts per million (ppm) and defined it as a concentration-based form that averages the annual fourth highest daily maximum 8-hour ozone concentrations over three years. For control purposes, it is important to understand whether high-level (greater than 0.09 ppm) or instead midlevel (0.06-0.09 ppm) ozone concentrations are mainly responsible for violations… CONTINUE READING

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