Liquid (a) a pH of not more than 1.0 Corrosive (b) a pH of more than 1.0 but not more than 3.0, and an acid reserve of 5.0 or more Corrosive (c) a pH of more than 1.0 but not more than 3.0, and an acid reserve of 3.0 or more but less than 5.0 Irritant 2.
Liquide a) pH d'au plus 1,0 Corrosif b) pH de plus de 1,0 mais d'au plus 3,0 et réserve acide de 5,0 ou plus Corrosif c) pH de plus de 1,0 mais d'au plus 3,0 et réserve acide de 3,0 ou plus mais de moins de 5,0 Irritant 2.