Industrial and geological reference materials

Central Geological Laboratory (CGL) of Mongolia, founded in 1957, is the leading professionalorganization performing the complex production of CRMs from mineral deposits in Mongolia.CGL, a state owned company, is accredited at national and ILAC level according to ISO Standard17025 and at ACLASS level according to ISO Guide 34. CGL regularly participates in internationalproficiency testing programs.The analysis of geological and mineral materials is not just concerned withmining and mineral abstraction. It is also carried out for the purpose ofmonitoring, and protection of the environment, health and natural resources. Tosupport the accuracy of these tests, CGL has been involved in the production ofmineral reference materials for more than 30 years.CGL material includes rocks, ores, mineral processing products andenvironmental materials.More than 45 CGL CRM are available and information about the individualmaterials can be found on the LGC Standards website,www.lgcstandards.com.Recent highlights in CGL CRM program include:• 3 new CRMs for mercury in soil introduced to address the surge in demand forsoil reference materials containing mercury.• In high demand internationally are CGL CRMs related to rareearth elements.No part of this publication may be reproduced or transmitted in any form or by any means, electronic or mechanical, including photocopying, recording or any retrieval system, without the written permission of the copyright holder. © LGC Limited, 2012. All rights reserved.3391/LB/1112