Air Pollution Control

Motor vehicles

Exhaust Emission Test for Petrol and Liquefied Petroleum Gas (LPG) Vehicles(Text Alternative)

Stationary sources

List of Guidance Notes on Best Practicable Means for Specified Processes

A Guide to the Air Pollution Control (Dry-cleaning Machines) (Vapour Recovery) Regulation

A Guide to the Air Pollution Control (Volatile Organic Compounds) Regulation

List of approved models of dry-cleaning machines

Environmental Asbestos Control

Asbestos Removal of Building Structures

List of Registers of Asbestos Professionals

Ozone Layer Protection

Approved Equipment for Recovering and Recycling Controlled Refrigerants under the Ozone Layer Protection (Controlled Refrigerants) Regulation

Schedule Substances under Ozone Layer Protection

A Concise Guide to the Ozone Layer Protection Ordinance

A Concise Guide to the Ozone Layer Protection ( Controlled Refrigerants Regulation)