Policy assessment for the review of the secondary national ambient air quality standards for oxides of nitrogen and oxides of sulfur
Subtitle: January 14, 2011 version
By: [prepared by Office of Air Quality Planning and Standards]
Contributors: United States. Environmental Protection Agency. Health and Environmental Impacts Division
Publisher: U.S. Environmental Protection Agency, Office of Air Quality Planning and Standards, Health and Environmental Impacts Division
Published: 2011
Place of publication: Research Triangle Park, N.C
Language: eng
Number of pages: 185
Subjects: Air quality; Standards; Atmospheric sulfur dioxide; Sulfur oxides; Environmental aspects; Atmospheric nitrogen oxides; Air quality management
Notes: "January 2011."

Title from title screen (viewed on Aug. 28, 2013).

"EPA 452/R-11-004a."

"EPA 452/R-11-004b"--Appendices.

Includes bibliographical references.