EPA proposes strengthening primary annual NAAQS for PM2.5
Green Car Congress
JANUARY 7, 2023
The US Environmental Protection Agency (EPA) announced a proposal to to revise the primary (health-based) annual PM 2.5 EPA is taking comment on the full range (between 8 and 11 10 µg/m 3 ) included in the Clean Air Scientific Advisory Committee’s (CASAC) latest report. Currently, EPA has primary and secondary standards for PM 2.5
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