- Y Diweddaraf sydd Ar Gael (Diwygiedig)
- Gwreiddiol (a wnaed Fel)
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(1) | ||
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Characteristic properties of the substance | ||
(2) | ||
Classification | ||
(3) | ||
Hazard warning sign | ||
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An explosive substance, that is to say– (a) a solid or liquid substance, or (b) a mixture of solid or liquid substances or both, which is capable by chemical reaction in itself of producing gas at such a temperature and pressure and at such a speed as could cause damage to surroundings or which is designed to produce an effect by heat, light, sound, gas or smoke or a combination of these as a result of non-detonative self-sustaining exothermic chemical reactions; including one or more such substances contained in an article. (See Note 1). | Class 1: Division 1.1, 1.2 or 1.3 | |
Division 1.4 | For explosives of hazard classification code 1.4S, “1.4S” may appear in the upper half of the label or may be shown on its own without the orange label. The orange label may be dispensed with for fireworks of Division 1,4 privuded the word “FIREWORK” followed by the hazard classification code is shown. | |
Division 1.5 | ||
Explosive substances defined as above which have a predominant hazard appropriate to another Class but which nevertheless present a significant hazard from explosion. | According to the predominant hazard | |
A substance which– (a) has a critical temperature below 50°C or which at 50°C has a vapour pressure of more than 3 bar absolute; and (b) is conveyed at a pressure of more than 500 millibar above atmospheric pressure or in liquefied form; other than a toxic gas or a flammable gas. | Class 2 (Non-flammable compressed gas) | |
A substance which has a critical temperature below 50°C or which at 50°C has a vapour pressure of more than 3 bar absolute and which is toxic. | Class 2 (Toxic gas) | |
A substance which has a critical temperature below 50°C or which at 50°C has a vapour pressure of more than 3 bar absolute and is flammable. (see Note 2). | Class 2 (Flammable gas) | |
A liquid with a flash point of 55°C or below except a liquid which– (a) has a flash point equal to or more than 21°C and less than or equal to 55°C and (b) when tested at 55°C in the manner described in Schedule 2 to the Highly Flammable Liquids and Liquefied Petroleum Gases Regulations 1972(1) does not support combustion. (See Notes 3 to 5). | Class 3 (Flammable liquid) | |
A solid which is readily combustible under conditions encountered in a harbour or harbour area or which may cause or contribute to fire through friction. | Class 4.1 (Flammable solid) | |
A substance which is liable to spontaneous heating under conditions encountered in a harbour or harbour area or to heating in contact with air being then liable to catch fire | Class 4.2 (Spontaneously combustible substance) | |
A substance which in contact with water is liable to become spontaneously combustible or to give off a flammable gas. | Class 4.3 (Substance which in contact with water emits flammable gas) | |
A substance other than an organic peroxide, which, although not itself necessarily combustible, may by yielding oxygen or by a similar process cause or contribute to the combustion of other material. | Class 5.1 (Oxidizing substance) | |
A substance which is– (a) an organic peroxide; and (b) an unstable substance which may undergo exothermic self-accelerating decomposition. | Class 5.2 (Organic Peroxide) | |
A substance known to be so toxic to man as to afford a hazard to health under conditions encountered in a harbour or harbour area or which, in the absence of adequate data on human toxicity, is presumed to be toxic to man. | Class 6.1 (Toxic substance) | |
A substance known to be toxic to man or, in the absence of adequate data on human toxicity, is presumed to be toxic to man but which is unlikely to afford a serious acute hazard to health under conditions encountered in a harbour or harbour area. | Class 6.1 (Harmful substance) | |
A substance which contains disease-producing micro-organisms. | Class 6.2 (Infectious substance) | |
A substance of specific activity of more than 70 Becquerels per gram (0.002 microcuries per gram) (See Note 6). | Class t (Radioactive substance) | |
A substance which by chemical action will– (a) cause severe damage when in contact with living tissue, or (b) materially damage other freight or equipment if leakage occurs. | Class 8 (Corrosive substance) | |
Two or more dangerous substances having different classifications. | Multi-load |
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