title: TR/19 update--key concerns addressed.
abstract: With trade association for the heating, ventilating, air-conditioning, and refrigeration sectors, the Building and Engineering Services Association (B&ES), having recently updated its 'TR/19' guidance document--dealing with the internal cleanliness of ventilation systems--Health Estate Journal (HEJ) asks Richard Norman (RN), chairman of the Association's Ventilation Hygiene Group Branch, and MD of specialist ventilation cleaning services provider, Indepth Hygiene, about the changes, and why the revisions were needed.
authors.forename: Richard
authors.initials: R
authors.lastname: Norman
mesh_terms: D000389:Air Conditioning / Q000592:standards; D016902:Air Pollution, Indoor / Q000517:prevention & control*; D003246:Conservation of Energy Resources; D005390:Fires / Q000517:prevention & control; D017408:Guidelines as Topic; D006361:Heating / Q000592:standards; D008284:Maintenance and Engineering, Hospital; D012307:Risk Factors; D006113:United Kingdom; D014691:Ventilation / Q000592:standards*