Part C FLAMMABLE SUBSTANCES (UNLESS SPECIFICALLY NAMED IN PARTS A AND B)
| Column 1 | Column 2 |
|---|---|
| Hazardous substances | Controlled quantities |
| (in tonnes, unless otherwise stated) | |
66 Liquefied petroleum gas, such as commercial propane and commer cial butane, and any mixtures thereof, when held at a pressure greater than 1.4 bar absolute | 25 |
67 Liquefied petroleum gas, such as commercial propane and commer cial butane, and any mixture thereof, when held under refrigeration at a pressure of 1.4 bar absolute or less | 50 |
68 Gas or any mixture of gases which is flammable in air, when held as a gas | 15 |
69 A substance or any mixture of substances, which is flammable in air, when held above its boiling point (measured at 1 bar absolute) as a liquid or as a mixture of liquid and gas at a pressure of more than 1.4 bar absolute | 25 |
70 A liquefied gas or any mixture of liquefied gases, which is flammable in air and has a boiling point of less than 0°C (measured at 1 bar absolute), when held under refrigeration or cooling at a pressure of 1.4 bar absolute or less | 50 |
71 A liquid or any mixture of liquids not included in entries 68 to 70 above, which has a flash point of less than 21°C | 10,000 |