The Chemical Works Regulations (Northern Ireland) 1922
In pursuance of Section 79. of the Factory and Workshop Act, 1901, the Ministry of Labour for Northern Ireland hereby makes the following Regulations and directs that they shall apply to the manufactures and processes incidental thereto carried on in chemical works as hereinafter defined. Provided that nothing in these Regulations shall apply to (a) the manufacture of certain compounds of lead, namely, any carbonate, sulphate, nitrate, or acetate of lead; (b) the manufacture of red or orange ...