Illinois Administrative Code
Title 35 - ENVIRONMENTAL PROTECTION
Part 244 - EPISODES
Subpart A - DEFINITIONS AND GENERAL PROVISIONS
Section 244.106 - Monitoring
Current through Register Vol. 48, No. 38, September 20, 2024
a) Monitoring stations used to determine advisory, alert or emergency levels shall be located according to Federal guidelines for establishment of air quality surveillance networks and shall use measurement methods or equivalent methods as officially authorized by the United States Environmental Protection Agency (USEPA).
b) Whenever any monitoring station registers air contaminant concentrations in excess of advisory or alert levels, proper operation of the sampling equipment at such stations shall be verified by the Agency or any agency cooperating with the Agency before the concentrations are used to declare any advisory, alert or emergency stage.