ISO INTERNATIONAL STANDARD 22155 Third edition 2016-02-15 Soil quality Gas chromatographic determination of volatile aromatic and halogenated hydrocarbons and selected ethers Static headspace method Qualite du sol Dosage des hydrocarbures aromatiques et halogenes volatils et de certains éthers par chromatographie en phase gazeuse Méthodeparespacedetetestatique Reference number IS022155:2016(E) ISO Intermational Organization for Standardization @IS02016 ZHEJIANG INSTOFSTANDARDIZATION C15956617 d without license from IHS IS022155:2016(E) COPYRIGHTPROTECTEDDOCUMENT IS02016,Published inSwitzerland 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 Ch. de Blandonnet 8. CP 401 CH-1214 Vernier, Geneva, Switzerland Tel. +41 22 749 01 11 Fax +4122 749 09 47 [email protected] www.iso.org Intemationaibr PrganizationforStandardization Uicensee-ZHEJIANG INSTOF STANDARDIZoISQ,6-All rights reserved etworking permitted without license from IHS NotforResale, 2016/4/2602:09:50 IS0 22155:2016(E) Contents Page Foreword ..iv 1 Scope ..1 2 Normativereferences 3 Principle. 4 Reagents ..2 5 Apparatus ..6 6 Sampling,preservation,andsamplepretreatment .7 6.1 General .7 6.2 Sampling using vials pre-filled with methanol .7 6.3 Sampling using coring tube method .8 7 Procedure. .8 7.1 Blank determination .8 7.2 Extraction .8 7.3 Head-space analysis. ..8 7.4 Gas chromatographic analysis .9 7.4.1 General ..9 7.4.2 Calibration ..10 7.4.3 Measurement ..11 8 Calculation .11 8.1 Calculation of the concentration of a volatile compound in the water sample ..11 8.2 Calculation of the concentration of a volatile compound in the soil sample ..12 9 Expressionofresults ..12 10 Precision ..12 11 Test report ..12 Annex A (informative) Relative retention times with respect to ethylbenzene-D10 of volatilearomatichydrocarbons and volatilehalogenated hydrocarbons- Examples of suitabletarget and qualifier ions .13 AnnexB (normative)Checkoninternalstandards ..15 Annex C (informative) Validation (general) ..16 AnnexD(informative)Performancecharacteristics ..19 Bibliography .21 iii See=ZHEJIANG INSTOFSTANDARDIZATIONC15956617 thout license from IHS