This code of practice provides practical guidance on the implementation of the provisions of the ILO Chemicals Convention, 1990 (No.170), and Recommendation, 1990 (No.177). Contents: general obligations, responsibilities and duties; classification systems; labelling and marking; chemical safety data sheets; operational control measures; design and installation; work systems and practices; personal protection; information and training; maintenance of engineering control measures; monitoring in the workplace; medical and health surveillance; emergency procedures and first aid; investigation and reporting of accidents, occupational diseases and other incidents.