EPA released the Supplement to the Second Addendum (1986) to Air Quality Criteria for Particulate Matter and Sulfur Oxides (1982): Assessment of New Findings on Sulfur Dioxide Acute Exposure Health ...
EPA released the Air Quality Criteria for Oxides of Nitrogen (Final, 1993) (EPA/600/8-91/049). Dec 1982 EPA released the Air Quality Criteria for Oxides of Nitrogen (PDF) (Final, 1982) ...