Paragraph 6
In regulation 9, for the words “60-mesh sieve of”, there shall be substituted the words “a sieve of which the nominal aperture size is 250 micrometres and which complies with”.
In regulation 9, for the words “60-mesh sieve of”, there shall be substituted the words “a sieve of which the nominal aperture size is 250 micrometres and which complies with”.