Illinois Administrative Code
Title 35 - ENVIRONMENTAL PROTECTION
Part 211 - DEFINITIONS AND GENERAL PROVISIONS
Subpart B - DEFINITIONS
Section 211.5650 - Ringelmann Chart
Universal Citation: 35 IL Admin Code ยง 211.5650
Current through Register Vol. 48, No. 38, September 20, 2024
"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.
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