Environment Protection Regulations 2021

if a person engages in an activity that involves discharges or emissions solely to the atmosphere from one or more sources (other than an incinerator or an afterburner) and the discharge or emission from each source is less than—

100 kilograms per day oxides of nitrogen; and

10 kilograms per day oxides of sulphur; and

100 kilograms per day carbon monoxide; and

5 kilograms per day volatile organic compounds of which none are odorous compounds (except those substances referred to in subparagraphs (vii) and (viii)); and

in the case of—

a source that was discharging or emitting at any time during the 12 months before 25 June 2017, 10 kilograms per day particles (except lead, respirable crystalline silica and asbestos); and

any other source, 10 kilograms per day particles (except lead, respirable crystalline silica and asbestos), including no more than 4 kilograms per day particles as PM_2·5; and

0·1 gram per minute of lead; and

0·1 gram per minute of any substance classified as a Class 2 substance (except particles as PM_2.5); and

0·1 gram per minute of any substance classified as a Class 3 substance;

if a person engages in an activity that involves discharges or emissions solely to the atmosphere from one or more of the following sources—

a standby engine;

fire-fighting training activities;

a spray booth, extractor vent system or fume cupboard used in product development or in a laboratory;

a safety relief valve or rupture disc;

a vent on a wastewater treatment system except at a sewage treatment plant;

a general room or building ventilation point;

a food cooker or kitchen range;

an acid or alkali tank;

hand-held or other portable cleaning, maintenance or construction equipment;

extractive industry or mining activities operating in accordance with the Mineral Resources (Sustainable Development) Act 1990.