S.L. 549.124 Art. 3Interpretation. Cap. 549.    S.L. 549.59.

For the purpose of these regulations and unless the context otherwise requires:-

"Act" means the Environment Protection Act;

"air quality objectives" means the limit values, target values and exposure concentration obligations for air quality set out in the Ambient Air Quality Regulations;

"anthropogenic emissions" means atmospheric emissions of pollutants associated with human activities;

"the Authority" or "competent authority" means the Environment and Resources Authority established under article 6 of the Act;

"black carbon" or "BC" means carbonaceous particulate matter that absorbs light;

"emission" means the release of a substance from a point or diffuse source into the atmosphere;

"emission limits" means the maximum amount of the pollutant in tonnes, which can be emitted in the atmosphere by the specified date of compliance;

"emission reduction" means the percentage reduction in the emission of the pollutant relative to total emissions of the CERTAIN ATMOSPHERIC POLLUTANTS

same pollutant in 2005, to be achieved by the specified date of compliance;

"fine particulate matter" or "PM " means particles with 2,5 an aerodynamic diameter equal to or less than 2,5 micrometres (μm);

"international maritime traffic" means journeys at sea and in coastal waters by water-borne vessels of all flags, except fishing vessels, that depart from the territory of one country and arrive in the territory of another country;

"landing and take-off cycle" or "LTO" means the cycle that includes taxi in and taxi out, take-off, climb out, approach, landing and all other aircraft activities that take place below the altitude of 3,000 feet;

"LRTAP Convention" means the Convention on Long-Range Transboundary Air Pollution;

"national emission reduction commitment" means Malta’s obligation in the reduction of emissions of a substance; it specifies the emission reduction that as a minimum has to be delivered in the target calendar year, as a percentage of the total of emissions released during the base year (2005);

"nitrogen oxides" or "NO " means nitric oxide (NO) and x nitrogen dioxide (NO ), expressed as nitrogen dioxide; 2

"non-methane volatile organic compounds" or "NMVOC" means all organic compounds other than methane, that are capable of producing photochemical oxidants by reaction with nitrogen oxides in the presence of sunlight;

"ozone precursors" means nitrogen oxides, non-methane volatile organic compounds, methane, and carbon monoxide;

"sulphur dioxide" or "SO " means all sulphur compounds 2 expressed as sulphur dioxide, including sulphur trioxide (SO ), 3 sulphuric acid (H SO ), and reduced sulphur compounds such 2 4 as hydrogen sulphide (H S), mercaptans and dimethyl sulphides. 2