Schedule 1
England, Wales and Scotland
(1) Class of case | (2) Permitted period for emission of dark smoke |
|---|---|
| 1. Emissions from a forced draught oil-fired boiler furnace, or an oil engine | 10 minutes in total in any period of 2 hours |
| 2. Emissions from a natural draught oil-fired boiler furnace (except in the cases falling within class 4) | 10 minutes in total in any period of 1 hour |
| 3. Emissions from a coal-fired boiler furnace— | |
| (a) when the vessel is not under way (except in the cases falling within class 4); | 10 minutes in total in any period of 1 hour |
| (b) when the vessel is under way | 20 minutes in total in any period of 1 hour |
4. Emissions from a natural draught oil-fired boiler furnace or a coal-fired boiler furnace in the following cases— (a) a vessel with funnels shortened for the purpose of navigating the Manchester Ship Canal; (b) a tug not under way, but preparing to get under way or supplying power to other vessels or to shore installations; (c) a vessel not under way but using main power for the purpose of dredging, lifting, pumping or performing some other special operation for which the vessel is designed | 20 minutes in total in any period of 1 hour |
| 5. Emissions from any other source | 5 minutes in total in any period of 1 hour |