Consultative document : proposal for Control of Substances Hazardous to Health (Amendment) Regulations (Northern Ireland) 199- and draft amendments to the Control of Carcinogenic Substances approved code of practice and the Control of Substances Hazardous to Health approved code of practice /
Great Britain.Department of Economic Development (Northern Ireland)
Health and Safety Agency for Northern Ireland.
[Belfast] : Department of Economic Development ; Health and Safety Agency for Northern Ireland,
[1991]
Great Britain.
Hazardous substances