ISO INTERNATIONAL STANDARD 28139 Second edition 2019-12 Equipment for crop protection Knapsack combustion engine-driven airblast sprayers Safety and environmental requirements and test methods Materiel de protection des cultures - Atomiseurs portés a dos motorisés - Exigences de seécurité et environnementales et méthodes d'essai Reference number ISO 28139:2019(E) ISO @ IS0 2019 IS0 28139:2019(E) COPYRIGHTPROTECTEDDOCUMENT @ IS0 2019 All rights reserved. Unless otherwise specified, or required in the context of its implementation, no part of this publication may be reproduced or utilized otherwise in any form or by any means, electronic or mechanical, including photocopying, or posting below or Iso's member body in the country of the requester. ISO copyright office CP 401 : Ch. de Blandonnet 8 CH-1214 Vernier, Geneva Phone: +41 22 749 0111 Fax: +41 22 749 09 47 Email: copyright@iso.org Website: www.iso.org Published in Switzerland ii @ IS0 2019 - All rights reserved