A consent authority must decline an application for a resource consent to discharge sulphur dioxide into air if the discharge to be expressly allowed by the resource consent is likely, at any time, to cause the concentration of sulphur dioxide in the airshed to breach its ambient air quality standard.
Regulation 21: amended, on 1 June 2011, by regulation 13 of the Resource Management (National Environmental Standards for Air Quality) Amendment Regulations 2011 (SR 2011/103).