Terms defined in the Environment Protection Act 2017 and the Environment Protection Regulations 2021.

Terms	References
aggravated noise	Act section 168, regulations 121, 127 and 131
alternative assessment criterion	regulation 4
alternative assessment criterion	regulation 4
commercial, industrial and trade premises	regulation 4
day period	regulation 116
effective noise level	regulation 4
evening period	regulation 116
frequency	regulation 4
frequency spectrum	regulation 4
general environmental duty (GED)	Act section 25
harm	Act section 4
major urban area	regulation 4
night period	regulation 116
noise	Act section 3(1)
noise limit	regulation 4
Noise Protocol	regulation 4
noise sensitive area	regulation 4
operating time periods	regulation 116
pollution	Act section 3(1)
residential premises	Act section 165
rural area	regulation 4
unreasonable noise	Act section 3(1)