ISO INTERNATIONAL STANDARD 18400-301 First edition 2023-09 Soil quality - Sampling - Part 301: Sampling and on site semi- quantitative determinations of volatile organic compounds in field investigations Qualite du sol - Echantillonnage - Partie 301: Echantillonnage et mesures semi-quantitatives sur site des composés organiques volatils dans le cadre d'investigations sur le terrain Reference number IS0 18400-301:2023(E) ISO @IS02023 IS0 18400-301:2023(E) COPYRIGHT PROTECTED DOCUMENT IS02023 All rights reserved. Unless otherwise specified, or required in the context of its implementation, no part of this publication may the internet or an intranet, withoutpriorwrittenpermission.Permission can be requested from eitherIso at the addressbelow or Iso's member body in the country of the requester. ISO copyright office CP 401 · Ch. de Blandonnet 8 CH-1214Vernier,Geneva Phone: +41 22 749 01 11 Email: [email protected] Website: www.iso.org PublishedinSwitzerland i @ IS0 2023 - All rights reserved