ISO INTERNATIONAL STANDARD 8243 Fifth edition 2013-07-01 Cigarettes Sampling Cigarettes - Echantillonnage Reference number ISO 8243:2013(E) ISO @IS02013 No reproduction or networking permitted without license from IHS Not for Resale IS0 8243:2013(E) COPYRIGHTPROTECTEDDOCUMENT @IS02013 All rights reserved. Unless otherwise specified, 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 on the internet or an intranet, without prior written permission. Permission can be requested from either ISO at the address below or ISO's member body in the country of the requester. ISO copyright office Case postale 56 : CH-1211 Geneva 20 Tel. + 41 22 749 01 11 Fax + 41 22 749 09 47 E-mail copyright@iso.org Web www.iso.org Published in Switzerland @ IS0 2013 - All rights reserved No reproduction or networking permited without license from IHS Not for Resale IS0 8243:2013(E) Contents Page Foreword .iv Introduction. ..V 1 Scope. ..1 2 Normative references ..1 3 Terms and definitions ..1 4 Sampling mode: At one time .3 4.1 Procedure for sampling at the point of sale .3 4.2 Procedure for sampling at the factory .5 5 Sampling mode: Over a period of time .6 5.1 General ..6 5.2 Procedure for sampling over a period of time at the factory ..6 Statistical evaluation and reporting ..6 6 6.1 Statistical evaluation. ..6 6.2 Outliers. ..6 6.3 Confidence interval 7 6.4 Applications to the verification of cigarettes yields 7 7 Sampling report. .8 Annex A (informative) Flow chart illustration of the sampling in Clauses 4 and 5 .9 Annex B (informative) Sources of variability concerning the choice of sampling procedures. ...10 Bibliography .11 ii thout license from IHS Not for Resale