NAS Panelist Faults EPA’s NAAQS Study-Selection Process As ‘Black Box’

September 7, 2021
A National Academy of Sciences (NAS) panelist is criticizing EPA’s process for selecting studies to support its national ambient air quality standards (NAAQS) as a “black box,” even as the panel heard a presentation from an agency advisor who generally praised other aspects of the agency’s standard-setting process. The NAAQS process is in general “by far, the most open” to public participation and scrutiny when compared with other risk assessment and standard-setting processes, Dan Greenbaum, a frequent EPA advisor and...


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