§ 22-771. Opacity standard.

Latest version.

(a)

Determination of visual density. The Ringelmann Chart, published by the U.S. Department of Interior, Bureau of Mines Information Circular 8333, May 1967, is the standard measure for determining the equivalent opacity of smoke. All measurements shall be taken at the point of emission of the smoke.

(b)

Standard. No land use may emit any smoke that exceeds a density or equivalent capacity of Ringelmann No. 2 for more than four (4) minutes during any eight-hour period.

(Ord. No. 2013-01, § 5(Attach., § 9.04.00), 7-9-13)

                    
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