TITLE 35: ENVIRONMENTAL PROTECTION
SUBTITLE B: AIR POLLUTION
CHAPTER I: POLLUTION CONTROL BOARD
SUBCHAPTER c: EMISSION STANDARDS AND LIMITATIONS FOR STATIONARY SOURCES
PART 211 DEFINITIONS AND GENERAL PROVISIONS
SECTION 211.6590 THIRTY DAY ROLLING AVERAGE
SUBTITLE B: AIR POLLUTION
CHAPTER I: POLLUTION CONTROL BOARD
SUBCHAPTER c: EMISSION STANDARDS AND LIMITATIONS FOR STATIONARY SOURCES
PART 211 DEFINITIONS AND GENERAL PROVISIONS
SECTION 211.6590 THIRTY DAY ROLLING AVERAGE
Section 211.6590 Thirty Day Rolling Average
"Thirty day rolling average" means any value arithmetically averaged over any consecutive thirty days.
(Source: Added at 17 Ill. Reg. 16504, effective September 27, 1993)