INDOOR NOISE AND HIGH SOUND LEVELS - A TRANSCRIPTION OF THE SWEDISH-NATIONAL-BOARD-OF-HEALTH-AND-WELFARE GUIDELINES

The National Board of Health and Welfare is together with the National Board of Environment responsible for health protection in Sweden on a national level and issues recommendations or guidelines for environme ntal factors. The Board of Health and Welfare is responsible for the i ndoor environment and the Board of Environment is responsible for the outdoor environment. Board guidelines for noise cover indoor noise fro m different activities in society, except transportation noise. The gu idelines for indoor levels are 35-45 dB expressed as L-APmax for inter mittent noise and 30 dBA expressed as L-Aq for continuous noise. Low f requency noise is assessed in one third octave bands with specific dB equivalent pressure levels for each band. The guidelines are intended to be used in situations where the noises come from neighbours, elevat ors, restaurants and other buildings. (C) 1997 Academic Press Limited.