- ILLINOIS POLLUTION CONTROL BOARD
November 20, 2014
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)
Proposed Rule.
- See 37 Ill.
- Reg.
- 12882 (Aug.
- The Board reserved this docket to accommodate amendments that are necessary to update
the Illinois ambient air quality standards to reflect revisions and USEPA actions that affect the
federal NAAQS during the period January 1, 2014 through June 30, 2014.
- The Board prefaces this opinion with procedural matters. First, the ...
R15-004 O&O 112014 
