Wales implements air quality regulations

Regulations introducing air quality standards for heavy metals and polyaromatic hydrocarbons (PAHs) came into force in Wales on 15 March.1

The regulations implement the EU daughter Directive setting air quality standards for arsenic, cadmium, mercury, nickel and PAHs (ENDS Report 361, p 57 ).

The standards are not absolute limits but should be attained "as far as possible". This means sites regulated under the integrated pollution prevention and control Directive will not have to go beyond using ‘best available techniques’ to control releases.

The regulations also consolidate previous regulations implementing the air quality framework Directive and subsequent Directives setting standards for other pollutants such as particulates and ozone.

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