Functions exercisable solely by WAG or the National Assembly for Wales.

Part I: Dark smoke:

• sections 1 and 2: Regulations excluding smoke from prohibition of emissions from chimneys and from industrial or trade premises.
• section 3: Regulations to ascertain what is dark smoke.

Part II: Smoke, Grit, Dust and Fumes:

Regulations may be made in respect of:

limits on the rates of emission of grit and dust from furnace chimneys and outdoors furnaces;

excemptions for specified classes of furnaces;

prescribing method of measurements of emissions and recording apparatus;

prescribing purposes for exempted boilers or plant.

Appeals:

Appeals against decisions not to approve arrestment burning plant

appeals against refusal to approve height of a chimney.

Approval:

Height of chimneys

Part III: Smoke Control Areas:

Powers:

requiring creation of smoke control areas;

contribution to local authoritiesÆ expenditure on giving grants for adaptation of fireplaces.

Regulations and Orders:

authorisation of fuel;

exemptions of classes of fireplace;

exemptions for certain areas;

exemptions for specified classes of buildings

Part V: Information about Air Pollution:

• section 37: Appeal against requirement to give information.
• section 38: Regulations requiring local authorities to perform their functions under Part V in prescribed manner.
• section 39: Requirement for local authorities to give information to the Secretary of State.

Part VI: Special Cases:

• section 45: Appeal where local authority refuses to exempt research from provisions of the Act.

Part VII: Miscellaneous:

Regulations can apply certain sections of the Act to fumes and prescribed gases.

• section 60: Default powers.