No person shall cause, suffer or allow smoke in excess of the following limitations to be discharged from any stack regulated under the provisions of this Chapter.
Ringlemann Chart No. | Permissible Emission of Smoke |
1 | No limitation |
2 | 5 minutes in any 1-hour period |
3 | 3 minutes in any 8-hour period |
4 | Not allowed |
5 | Not allowed |
(Ord. 3286-68. Passed 10-7-68 .) |