Environmental Quality Act, 1974 - main objective of this act is to prevent, abate and control pollution. Department of Environment is responsible for administering this law.

Environment Quality (Control of lead concentration in Malaysia): Regulations 1985

Environmental Quality (Motor vehicle noise): Regulation 1987

Environmental Quality (Control of emission for diesel engine): Regulations 1996

Environmental Quality (Control of emission for petrol engine): Regulations 1996

Leaded gasoline was phased-out in 1998