r22: 飲み込むと有害である。please take the official translations! you find them here: http://europa.eu.int/eur-lex/lex/lexuriserv/lexuriserv.do?uri=celex:32001l0059:en:html
r28: 飲み込むと強い毒性がある。please take the official translations! you find them here: http://europa.eu.int/eur-lex/lex/lexuriserv/lexuriserv.do?uri=celex:32001l0059:en:html