National Ambient Air Quality Standards (NAAQS)
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10/01/2020
2020 Ozone NAAQS comments: CATF and our partners filed comprehensive comments pushing back on EPA’s proposal to leave the national ambient standards for ozone (smog) in place, and not update and tighten it to protect public health as the best science would require.
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06/29/2020
2020 PM2.5 NAAQS comments: CATF and our partners filed comprehensive comments pushing back on EPA’s proposal to leave the national ambient standards for fine particulate matter (soot) in place, and not update and tighten it to protect public health as the best science would require.
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12/16/2019
CATF submitted comments urging EPA to adopt strong, science-based ozone standards, and joined with EDF and NRDC to express concern about the NAAQS review process and urging EPA to revise the standards for ozone to provide the protection required by law.
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11/12/2019
The Clean Air Act requires the Environmental Protection Agency to set National Ambient Air Quality Standards (NAAQS) at a level requisite to protect public health with an adequate margin of safety, and to periodically review those standards to keep pace with science. CATF joined with EDF and NRDC to submit comments expressing concern about the NAAQS review process and urging EPA to revise the standards for particulate matter to provide the protection required by law.
- 03/17/2015
