Ringelmann chart definition

Ringelmann chart means the chart published and described in the U.S. Bureau of Mines Information Circular 8333.
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.
Ringelmann chart means the chart described in the U.S. Bureau of Mines, Information Circular No. 8333 and No. 7718, and used for measuring smoke opacity;

Examples of Ringelmann chart in a sentence

  • Boilers shall be operated so as to give a smoke colour less than or equal to shade number 1 on the Ringelmann chart except during periods of start up.

  • Boilers shall be operated so as to give a smoke colour less than or equal to shade number 1 on the Ringelmann chart except during periods of start up and soot blowing.

  • The cost of schools is included within the County Council’s budget, but this funding is protected for that purpose only and therefore, cannot be used towards savings.

  • Smoke of a density equal to but not darker than No. 2 on the Ringelmann chart may be emitted for not more than three (3) minutes in any 30-minute period.

  • As dark or darker in shade as that designated as No. ½ on the Ringelmann chart as published by the United States Bureau of Mines.


More Definitions of Ringelmann chart

Ringelmann chart means the Ringelmann Chart published in the United States Review of Mine Information Circular No. 1C8333, (May 1967), as specified in Health and Safety Code section 41701(b).
Ringelmann chart means the chart published by the U.S. Bureau of Mines (Information Circular 9333, as amended) which illustrates graduated shades of gray to black for use in determining the light obscuring capability of particulate matter.
Ringelmann chart means the Ringelmann smoke chart with instructions for use as published by the United States bureau of mines in May 1967 and as thereafter amended, information circular 7718.
Ringelmann chart means the Ringelmann scale for grading the density of smoke published by the latest British Standard in BS 2742 series or equivalent Malaysian Standard, or any chart, recorder, indicator, or device for the measurement of smoke density which is approved by the Director-General as the equivalent of the said Ringelmann scale;
Ringelmann chart means the chart, published and described in the U.S. Bureau of MinesDiv. I - Guam Air Pollution Control information Circular 8333.
Ringelmann chart means the chart published by the U.S. Bureau of Mines which are illustrated graduated shades of gray or black for the use in estimating the capacity of smoke or any air contaminant or emission to obscure light.
Ringelmann chart means that standard published by the United States Bureau of