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Review of the National Ambient Air Quality Standards for Lead (Final)
Oct. 18, 2016
Based on the Environmental Protection Agency's (EPA's) review of the air quality criteria and the national ambient air quality standards (NAAQS) for lead (Pb), the EPA is retaining the current standards, without revision. This final rule is effective on November 17, 2016. POC is Dr. Deirdre L. Murphy, Health and Environmental Impacts Division, Office of Air Quality Planning and Standards, U.S. EPA, Mail code C504-06, Research Triangle Park, NC 27711; tel: 919-541-0729; fax: 919-541-0237; email: murphy.deirdre@epa.gov (Federal Register: October 18, 2016 [Rules and Regulations] Page 71906-71943).

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Last Updated: January 22, 2018