Ventilation 25 : The supply of sufficient clean air to ensure that releases of harmful substances do not accumulate to a concentration that affects people's health and safety
Ministry of Business, Innovation and Employment, Glossary of terms and acronyms, Wellington, New Zealand 2010. http://wwwsosh.govt.nz/resources/glossary-u.shtml, (Occupn Hlth and Sfty - Brit) {530}