# The Planning (Hazardous Substances) (Wales) Regulations 2015, Paragraph

Extent: E+W

This Part covers all hazardous substances falling under the hazard categories listed in Column 1:
Column 1
Column 2
Hazard categories in accordance with the CLP Regulation
Controlled quantity in tonnes
Section ‘H’ – HEALTH HAZARDS
H1 ACUTE TOXIC Category 1, all exposure routes
5
H2 ACUTE TOXIC
— Category 2, all exposure routes
— Category 3, inhalation exposure route (see note 7)
50
H3 STOT SPECIFIC TARGET ORGAN TOXICITY – SINGLE EXPOSURE STOT SE Category 1
50
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 having explosive properties according to method A.14 of Regulation
(EC) No 440/2008 as amended from time to time (see note 9) and do not belong
to the hazard classes Organic peroxides or Self-reactive substances and mixtures
10
P1b EXPLOSIVES (see note 8)
Explosives, Division 1.4 (see note 10)
50
P2 FLAMMABLE GASES Flammable gases, Category 1 or 2
10
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)
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)
P4 OXIDISING GASES
Oxidising gases, Category 1
50
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
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
P5c FLAMMABLE LIQUIDS
Flammable liquids, Categories 2 or 3 not covered by P5a and P5b
5,000
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
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
P7 PYROPHORIC LIQUIDS AND SOLIDS
Pyrophoric liquids, Category 1
Pyrophoric solids, Category 1
50
P8 OXIDISING LIQUIDS AND SOLIDS
Oxidising Liquids, Category 1, 2 or 3, or
Oxidising Solids, Category 1, 2 or 3
50
Section ‘E’ – ENVIRONMENTAL HAZARDS
E1 Hazardous to the Aquatic Environment in Category Acute 1 or Chronic 1
100
E2 Hazardous to the Aquatic Environment in Category Chronic 2
200
Section ‘O’ – OTHER HAZARDS
O1 Substances or mixtures with hazard statement EUH014
100
O2 Substances and mixtures which in contact with water emit flammable gases, Category 1
100
O3 Substances or mixtures with hazard statement EUH029
50

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Source: https://www.legislation.gov.uk/wsi/2015/1597/schedule/1/part/1/paragraph/wrapper1n1 (the official version)
Page: https://openlegislation.uk/planning-hazardous-substances-wales-regulations-2015/schedule-1/part-1/paragraph-wrapper1n1
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.