13.—(1) Preparations shall be classified as carcinogenic category 1 or 2 and assigned the symbol “T” and the risk phrase R45 or R49 if they contain one or more substances producing such effects to which is assigned the risk phrase R45 of R49 which denotes carcinogenic substances in category 1 and category 2 in individual concentrations equal to or exceeding—
(a)either the concentration specified in the approved supply list for the substance or substances under consideration, or
(b)the concentration specified in paragraph 6 of Part II of this Schedule (Table VI or Table VIA) where the substance or substances do not appear in the approved supply list or appear in it without concentration limits.
(2) Preparations shall be classified as carcinogenic category 3 and assigned the symbol “Xn” and the risk phrase R40 if they contain one or more substances producing such effects to which is assigned the risk phrase R40 which denotes carcinogenic substances in category 3 in individual concentrations equal to or exceeding—
(a)either the concentration specified in the approved supply list for the substance or substances under consideration, or
(b)the concentration specified in paragraph 6 of Part II of this Schedule (Table VI or Table VIA) where the substance or substances do not appear in the approved supply list or appear in it without concentration limits.