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 211.5650 RINGELMANN CHART
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 211.5650 RINGELMANN CHART
Section 211.5650 Ringelmann Chart
"Ringelmann chart" means the chart published and described in the Bureau of Mines, U.S. Department of Interior, Information Circular 8333 (Revision of IC7718) May 1, 1967, or any adaptation thereof which has been approved by the Agency.
(Source: Added at 17 Ill. Reg. 16504, effective September 27, 1993)