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Chemicals (Hazard Information and Packaging for Supply) Regulations (Northern Ireland) 2002

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Classification by the conventional method as irritant

11.—(1) The following preparations shall be classified as irritants liable to cause serious eye damage and assigned the symbol “Xi”, the indication of danger “irritant” and the risk phrase R41 –

(a)preparations containing one or more substances classified as irritant to which is assigned the risk phrase R41 in individual concentrations equal to or exceeding –

(i)either the concentration specified in the approved supply list for the substance or substances under consideration, or

(ii)the concentration specified in paragraph 4 of Part II of this Schedule (Table IV or Table IVA) where the substance or substances do not appear in the approved supply list or appear in it without concentration limits;

(b)preparations containing more than one substance classified as irritant to which is assigned the risk phrase R41, or classified as corrosive and to which is assigned the risk phrase R35 or R34, in lower individual concentrations than the limits specified either in the approved supply list or in paragraph 4 of Part II of this Schedule (Table IV or IVA) if the sum of the quotients obtained by dividing the percentage weight of each irritant substance in the preparation by the irritant limit R41 specified for that substance is 1 or more, i.e. –

where –

  • PC·R35 is the percentage by weight or by volume of each corrosive substance to which is assigned the risk phrase R35 in the preparation,

  • PC·R34 is the percentage by weight or by volume of each corrosive substance to which is assigned the risk phrase R34 in the preparation,

  • PXi·R41 is the percentage by weight or by volume of each irritant substance to which is assigned the risk phrase R41 in the preparation,

  • LXi·R41 is the respective irritant limit R41 specified for each corrosive substance to which is assigned the risk phrase R35 or R34 or irritant substance to which is assigned the risk phrase R41, expressed as a percentage by weight or by volume.

(2) The following preparations shall be classified as irritant to eyes and assigned the symbol “Xi”, the indication of danger “irritant” and the risk phrase R36 –

(a)preparations containing one or more substances classified as corrosive to which is assigned the risk phrase R35 or R34 or as irritant to which is assigned the risk phrase R41 or R36 in individual concentrations equal to or exceeding –

(i)either the concentration specified in the approved supply list for the substance or substances under consideration, or

(ii)the concentration specified in paragraph 4 of Part II of this Schedule (Table IV or Table IVA) where the substance or substances do not appear in the approved supply list or appear in it without concentration limits;

(b)preparations containing more than one substance classified as irritant to which is assigned the risk phrase R41 or R36 or as corrosive and to which is assigned the risk phrase R35 or R34, in lower individual concentrations than the limits specified either in the approved supply list or in paragraph 4 of Part II of this Schedule (Table IV or IVA) if the sum of the quotients obtained by dividing the percentage weight of each irritant substance in the preparation by the irritant limit R36 specified for that substance is 1 or more, i.e. –

where –

  • PC·R35 is the percentage by weight or by volume of each corrosive substance to which is assigned the risk phrase R35 in the preparation,

  • PC·R34 is the percentage by weight or by volume of each corrosive substance to which is assigned the risk phrase R34 in the preparation,

  • PXi·R41 is the percentage by weight or by volume of each irritant substance to which is assigned the risk phrase R41 in the preparation,

  • PXi·R36 is the percentage by weight or by volume of each irritant substance to which is assigned the risk phrase R36 in the preparation,

  • LXi·R36 is the respective irritant limit R36 specified for each corrosive substance to which is assigned the risk phrase R35 or R34 or irritant substance to which is assigned the risk phrase R41 or R36, expressed as a percentage by weight or by volume.

(3) The following preparations shall be classified as irritant to skin and assigned the symbol “Xi”, the indication of danger “irritant” and the risk phrase R38 –

(a)preparations containing one or more substances classified as irritant and to which is assigned the risk phrase R38 or as corrosive and to which is assigned the risk phrase R35 or R34, in individual concentrations equal to or exceeding –

(i)either the concentration specified in the approved supply list for the substance or substances under consideration, or

(ii)the concentration specified in paragraph 4 of Part II of this Schedule (Table IV or Table IVA) where the substance or substances do not appear in the approved supply list or appear in it without concentration limits;

(b)preparations containing more than one substance classified as irritant and to which is assigned the risk phrase R38, or as corrosive and to which is assigned the risk phrase R35 or R34 in lower individual concentrations than the limits specified either in the approved supply list or in paragraph 4 of Part II of this Schedule (Table IV or Table IVA) if the sum of the quotients obtained by dividing the percentage weight of each substance in the preparation by the irritant limit R38 specified for that substance is 1 or more, i.e. –

where –

  • PC·R35 is the percentage by weight or by volume of each corrosive substance to which is assigned the risk phrase R35 in the preparation,

  • PC·R34 is the percentage by weight or by volume of each corrosive substance to which is assigned the risk phrase R34 in the preparation,

  • PXi·R38 is the percentage by weight or by volume of each irritant substance to which is assigned the risk phrase R38 in the preparation,

  • LXi·R38 is the respective irritant limit R38 specified for each corrosive substance to which is assigned the risk phrase R35 or R34 or irritant substance to which is assigned risk phrase R38, expressed as a percentage by weight or by volume.

(4) The following preparations shall be classified as irritant to the respiratory system and assigned the symbol “Xi”, the indication of danger “irritant” and the risk phrase R37 –

(a)preparations containing one or more substances classified as irritant to which is assigned the risk phrase R37 in individual concentrations equal to or exceeding –

(i)either the concentration specified in the approved supply list for the substance or substances under consideration, or

(ii)the concentration specified in paragraph 4 of Part II of this Schedule (Table IV or Table IVA) where the substance or substances do not appear in the approved supply list or appear in it without concentration limits;

(b)preparations containing more than one substance classified as irritant to which is assigned the risk phrase R37 in lower individual concentrations than the limits specified either in the approved supply list or in paragraph 4 of Part II of this Schedule (Table IV or Table IVA) if the sum of the quotients obtained by dividing the percentage weight of each irritant substance in the preparation by the irritant limit R37 specified for that substance is 1 or more, i.e. –

where –

  • PXi·R37 is the percentage by weight or by volume of each irritant substance to which is assigned the risk phrase R37 in the preparation,

  • LXi·R37 is the irritant limit R37 specified for each irritant substance to which is assigned the risk phrase R37, expressed as a percentage by weight or by volume.

(c)gaseous preparations containing more than one substance classified as irritant and to which is assigned the risk phrase R37 or as corrosive and to which is assigned the risk phrase R35 or R34 in lower individual concentrations than the limits specified either in the approved supply list or in paragraph 4 of Part II of this Schedule (Table IV or Table IVA) if the sum of the quotients obtained by dividing the percentage weight of each substance in the preparation by the irritant limit R37 specified for that substance is 1 or more, i.e. –

where –

  • PC·R35 is the percentage by volume of each corrosive substance to which is assigned the risk phrase R35 in the preparation,

  • PC·R34 is the percentage by volume of each corrosive substance to which is assigned the risk phrase R34 in the preparation,

  • PXi·R37 is the percentage by volume of each irritant substance to which is assigned the risk phrase R37 in the preparation,

  • LXi·R37 is the respective irritant limit R37 specified for each gaseous corrosive substance to which is assigned the risk phrase R35 of R34 or gaseous irritant substance to which is assigned risk phrase R37, expressed as a percentage by weight or by volume.

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