GENERAL VENTILATION - UCU

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GENERAL VENTILATION . G U I D A N C E F O R E M P L O Y E R S. HSG202. Crown copyright 2000. Applications for reproduction should be made in writing to: Copyright Unit, Her Majesty's Stationery Office, St. Clements House, 2-16 Colegate, Norwich NR3 1BQ. First published 2000. ISBN 0 7176 1793 9. All rights reserved. No part of this publication may be reproduced, stored in a retrieval system, or transmitted in any form or by any means (electronic, mechanical, photocopying, recording or otherwise) without the prior written permission of the copyright owner. This guidance is issued by the Health and Safety Executive. Following the guidance is not compulsory and you are free to take other action. But if you do follow the guidance you will normally be doing enough to comply with the law. Health and safety inspectors seek to secure compliance with the law and may refer to this guidance as illustrating good practice.

19 If the contaminant is of such a low toxicity and produced in such low concentrations that it would be impractical and costly to use local exhaust ventilation…

  General, Ventilation, Exhaust, Exhaust ventilation, General ventilation