75 FR 6474 2010-1990. Primary National Ambient Air Quality Standards for Nitrogen Dioxide  

Document Information

Effective Date:
4/12/2010
Published:
02/09/2010
EntryType:
Rule
Action:
Final Rule.
Document Number:
2010-1990
Document Citation:
75 FR 6474
Dates:
This final rule is effective on April 12, 2010.
Pages:
6474-6537 (64 pages)
CFR: (2)
40 CFR 50
40 CFR 58