1.

Record Nr.

UNINA9910717132703321

Titolo

PM hot-spot guidance : transportation conformity guidance for quantitative hot-spot analyses in PM₂.₅ and PM₁₀ nonattainment and maintenance areas

Pubbl/distr/stampa

[Washington, D.C.] : , : United States Environmental Protection Agency, Office of Transportation and Air Quality, , [2021]

Descrizione fisica

1 online resource (5 pages)

Soggetti

Diesel motor exhaust gas - Standards

Automobiles - Motors - Exhaust gas - Standards

United States

Lingua di pubblicazione

Inglese

Formato

Materiale a stampa

Livello bibliografico

Monografia

Note generali

"Guidance change bulletin."

"October 2021."

"EPA-420-B-21-038"