The Alkali, & c. Works Order (Northern Ireland) 1991

Article 3

SCHEDULE 1 List of Noxious or Offensive Gases in substitution for that contained in Section 27 of the Alkali Act

The expression “noxious or offensive gas”includes the following gases and fumes—

• Acetic acid or its anhydride

• Acetylene

• Acrylates

• Acrylic acid

• Aldehydes

• Amines

• Ammonia or its compounds

• Arsenic or its compounds

• Bromine or its compounds

• Carbon dioxide

• Carbon disulphide

• Carbon monoxide

• Chlorine or its compounds

• Cyanogen or its compounds

• Di-isocyanates

• Ethylene and higher olefines

• Fluorine or its compounds

• Fumaric acid

• Fumes containing aluminium, antimony, arsenic, asbestos, beryllium, cadmium, calcium, chlorine, chromium, copper, gallium, glass fibres, iron, lead, magnesium manganese, mercury, mineral fibres, molybdenum, nickel, phosphorus, platinum, potassium, selenium, silicon, silver, sodium, sulphur, tellurium, thallium, tin, titanium, tungsten, uranium, vanadium, zinc or their compounds

• Fumes from benzene works, paraffin oil works, petrochemical works, petroleum works, tar works or bitumen works

• Hydrocarbons

• Hydrogen sulphide

• Iodine or its compounds

• Isocyanates

• Lead or its compounds

• Maleic acid or its anhydride

• Mercury or its compounds

• Metal carbonyls

• Muriatic acid (Hydrogen chloride)

• Nitric acid or oxides of nitrogen

• Nitriles

• Phenols

• Phosphorus or its compounds

• Phthalic acid or its anhydride

• Products containing hydrogen from the partial oxidation of hydrocarbons

• Pyridine or its homologues

• Styrene

• Sulphuric acid or sulphur trioxide

• Sulphurous acid or sulphur dioxide

• Vinyl chloride

• Volatile organic sulphur compounds.