PM hot-spot analyses
Subtitle: frequently asked questions
Publisher: United States Environmental Protection Agency, Office of Transportation and Air Quality
Published: 2012
Place of publication: Washington, D.C.
Language: eng
Subjects: Automobiles; Motors; Exhaust gas; Transportation; Environmental aspects; Air; Pollution; Standards
Notes: Title from title screen (viewed on Dec. 5, 2013).

Side panel: Questions and answers.

"December 2012."

"EPA-420-F-12-082."

Includes bibliographical references.