- ILLINOIS POLLUTION CONTROL BOARD
March 5, 2015
IN THE MATTER OF: )
NATIONAL AMBIENT AIR QUALITY
STANDARDS, USEPA REGULATIONS
(January 1, 2014 through June 30, 2014 and
November 4, 2014)
)
)
)
)
R15-4
(Identical-in-Substance Rulemaking - Air)
Adopted Rule.
- 9, 2013).
- The Board updated the
amendments in National Ambient Air Quality Standards, USEPA Regulations (January 1, 2013
through June 30, 2012, July 3, 2013, and August 5, 2013), R14-6 (Sep.
- USEPA designated four new federal equivalent methods
(FEMs) for use in demonstrating compliance with the NAAQS on June 18, 2014.
- Third, the Board sets forth the timetabl...
R15-004 O&O 030515 
