INDOOR AIR QUALITY MTR has a comprehensive monitoring programme to assess whether air within the operating railway, its own offices, Public Transport Interchanges and managed properties meets its own design standards. During 2002, the programme demonstrated that indoor air quality fully met MTR's design standards.	Environment Introduction Environmental Management Environmental Performance Progress Against 2002 Targets Environment Targets for 2003 Green House Gas Emissions Waste Noise Local Air Quality Water Consumption Indoor Air Quality Dust Ozone Depleting Substances Discharges to Water Environment Targets 2002 : Summary of Incomplete Targets