ENVIRONMENT · PRODUCTION, TECHNOLOGY AND RESEARCH|technology and technical regulations|materials technology
- catagóir a bhaineann le neamhchosaint ar thorann Tagairt Faomhadh an téarma seo mar chuid de Thionscadal Lex
- ga
- noise exposure category | NEC
- en
- Sainmhíniú a standard classification from A to D for residential development which provides advice on granting planning permission by taking into account the noise from individual noise sources i.e. road, rail and air traffic or from mixed sources i.e. the combined noise from several sources including industrial noise sources Tagairt Abbott & Harris, The Calculation of Road Traffic Noise - Implications of Changing to LAeq, in: Institute of Acoustics Autumn '99 Conference, 1999, TRL, p.7