Speakers urge tighter ozone standards at Arlington hearing - Dallas Morning News

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Speakers urge tighter ozone standards at Arlington hearing Dallas Morning News Armendariz spoke at an environmental groups' citizen hearing on the EPA's proposal to lower ozone limits from 75 parts per billion to 60-70 parts per ... Students, Sierra Club advocate for cleaner airSalt Lake Tribune Dozens at Arlington meeting voice support for ozone limitsFort Worth Star Telegram Groups press EPA to strengthen smog controlsPittsburgh Post Gazette U.S. EPA.gov (press release) -MSU State News -WFAA all 76 news articles »