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The Control of Major Accident Hazards Regulations 2015
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PART 1Categories of Dangerous Substances
| Column 1 | Column 2 | Column 3 |
|---|---|---|
| Hazard categories in accordance with the CLP Regulation | Qualifying quantity in tonnes of dangerous substances for the application of: | |
| Lower tier requirements | Upper tier requirements | |
| Section ‘H’ – HEALTH HAZARDS | ||
| H1 ACUTE TOXIC Category 1, all exposure routes | 5 | 20 |
H2 ACUTE TOXIC — Category 2, all exposure routes — Category 3, inhalation exposure route (see note 7) | 50 | 200 |
| H3 STOT SPECIFIC TARGET ORGAN TOXICITY – SINGLE EXPOSURE STOT SE Category 1 | 50 | 200 |
| Section ‘P’ – PHYSICAL HAZARDS | ||
P1a EXPLOSIVES (see note 8) — Unstable explosives or — Explosives, Division 1.1, 1.2, 1.3, 1.5 or 1.6, or — Substances or mixtures which have explosive properties according to method A.14 of Regulation (EC) No. 440/2008 of 30 May 2008 laying down test methods pursuant to Regulation (EC) No. 1907/2006 of the European Parliament and of the Council on the Registration, Evaluation, Authorisation and Restriction of Chemicals (REACH) (see note 9) and do not belong to the hazard classes Organic peroxides or Self-reactive substances and mixtures | 10 | 50 |
P1b EXPLOSIVES (see note 8) Explosives, Division 1.4 (see note 10) | 50 | 200 |
P2 FLAMMABLE GASES Flammable gases, Category 1 or 2 | 10 | 50 |
P3a FLAMMABLE AEROSOLS (see note 11(1)) ‘Flammable’ aerosols Category 1 or 2, containing flammable gases Category 1 or 2 or flammable liquids Category 1 | 150 (net) | 500 (net) |
P3b FLAMMABLE AEROSOLS (see note 11(1)) ‘Flammable’ aerosols Category 1 or 2, not containing flammable gases Category 1 or 2 nor flammable liquids category 1 (see note 11(2)) | 5,000 (net) | 50,000 (net) |
P4 OXIDISING GASES Oxidising gases, Category 1 | 50 | 200 |
P5a FLAMMABLE LIQUIDS — Flammable liquids, Category 1, or — Flammable liquids Category 2 or 3 maintained at a temperature above their boiling point, or — Other liquids with a flash point ≤ 60°C, maintained at a temperature above their boiling point (see note 12) | 10 | 50 |
P5b FLAMMABLE LIQUIDS — Flammable liquids Category 2 or 3 where particular processing conditions, such as high pressure or high temperature, may create major accident hazards, or — Other liquids with a flash point ≤ 60°C where particular processing conditions, such as high pressure or high temperature, may create major accident hazards (see note 12) | 50 | 200 |
P5c FLAMMABLE LIQUIDS Flammable liquids, Categories 2 or 3 not covered by P5a and P5b | 5,000 | 50,000 |
P6a SELF-REACTIVE SUBSTANCES AND MIXTURES and ORGANIC PEROXIDES Self-reactive substances and mixtures, Type A or B or organic peroxides, Type A or B | 10 | 50 |
P6b SELF-REACTIVE SUBSTANCES AND MIXTURES and ORGANIC PEROXIDES Self-reactive substances and mixtures, Type C, D, E or F or organic peroxides, Type C, D, E, or F | 50 | 200 |
P7 PYROPHORIC LIQUIDS AND SOLIDS Pyrophoric liquids, Category 1 Pyrophoric solids, Category 1 | 50 | 200 |
P8 OXIDISING LIQUIDS AND SOLIDS Oxidising Liquids, Category 1, 2 or 3, or Oxidising Solids, Category 1, 2 or 3 | 50 | 200 |
| Section ‘E’ – ENVIRONMENTAL HAZARDS | ||
| E1 Hazardous to the Aquatic Environment in Category Acute 1 or Chronic 1 | 100 | 200 |
| E2 Hazardous to the Aquatic Environment in Category Chronic 2 | 200 | 500 |
| Section ‘O’ – OTHER HAZARDS | ||
| O1 Substances or mixtures with hazard statement EUH014 | 100 | 500 |
| O2 Substances and mixtures which in contact with water emit flammable gases, Category 1 | 100 | 500 |
| O3 Substances or mixtures with hazard statement EUH029 | 50 | 200 |
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