The Environmental Protection Agency (EPA) today proposed to tighten U.S. ground-level ozone standards to protect people as well as plants. Under the new guidelines, the "primary" standard aimed at protecting public health would be reduced to 0.060 and 0.070 parts per million (ppm) measured over eight hours from the 0.075 ppm level set in March 2008.
API reacted swiftly in a statement:
"The action lacks scientific justification. EPA acknowledges the newer studies on ozone do not materially change any of the broad scientific conclusions regarding the health effects of exposure. Given that conclusion, there is absolutely no basis for EPA to propose changing the ozone standards promulgated by the EPA Administrator in 2008. To do so is an obvious politicization of the air quality standard setti... more »
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