- 1)
2)
3)
ILLINOIS REGISTER
POLLUTION CONTROL BOARD
NOTICE OF PROPOSED AMENDMENTS
Heading of the Part: Air Quality Standards
Code Citation: 35 Ill.
- These amendments would
update the Illinois ambient air quality requirements to correspond with amendments to
the federal National Ambient Air Quality Standards (NAAQSs) that the United States
Environmental Protection Agency (USEPA) adopted during the period January 1, 2013
through June 30, 2013.
- Reg.
- 47191)
measuring lead in total suspended particulate matter
for the purposes ofthe lead NAAQS.
- 6) Published studies or reports, and sources of underlying data, used to compose this
rulemaking: No...
R14-6 jcar 09-19-13 
