ANSI/ANS-16.1-2019 ANS Measurement of the Leachability of Solidified Low- Level Radioactive Wastes by a Short-Term Test Procedure ANSI/ANS-16.1-2019 An American National Standard Published by the American Nuclear Society 555 N. Kensington Ave La Grange Park, IL 60526 ANSI/ANS-16.1-2019 American National Standard Measurement of the Leachability of Solidified Low-Level Radioactive Wastes by a Short-Term Test Procedure Secretariat American Nuclear Society Prepared by the American Nuclear Society Standards Committee Working Group ANS-16.1 Published by the American Nuclear Society 555 North Kensington Avenue La Grange Park, Illinois 60526 USA Approved February 22, 2019 by the American National Standards Institute, Inc. American National Standard ANSI/ANS-16.1-2019 American Designation of this document as an American National Standard attests that the principles of openness and due process have been followed in the approval procedure and that a National consensus of those directly and materially affected by the standard has been achieved. Standard This standard was developed under the procedures of the Standards Committee of the American Nuclear Society; these procedures are accredited by the American National Standards Institute, Inc., as meeting the criteria for American National Standards. The consensus committee that approved the standard was balanced to ensure that competent, concerned, and varied interests have had an opportunity to participate. An American National Standard is intended to aid industry, consumers, governmental agencies, and general interest groups. Its use is entirely voluntary. The existence of an American National Standard, in and of itself, does not preclude anyone from manufacturing, marketing, purchasing, or using products, processes, or procedures not conforming to the standard. By publication of this standard, the American Nuclear Society does not insure anyone utilizing the standard against liability allegedly arising from or after its use. The content of this standard reflects acceptable practice at the time of its approval and publication. Changes, if any, occurring through developments in the state of the art, may be considered at the time that the standard is subjected to periodic review. It may be reaffirmed, revised, or withdrawn at any time in accordance with established procedures. Users of this standard are cautioned to determine the validity of copies in their possession and to establish that they are of the latest issue. The American Nuclear Society accepts no responsibility for interpretations of this standard made by any individual or by any ad hoc group of individuals. Responses to inquiries about requirements, recommendations, and/or permissive statements (i.e., “"shall,"' “"should,"' and “may,' respectively) should be sent to the Publications and Standards Department at Society Headquarters. Action will be taken to provide appropriate response in accordance with established procedures that ensure consensus. Comments on this standard are encouraged and should be sent to Society Headquarters. Published by American Nuclear Society 555 North Kensington Avenue La Grange Park, Illinois 60526 USA This document is copyright protected. Copyright @ 2019 by American Nuclear Society. All rights reserved. Any part of this standard may be quoted. Credit lines should read “Extracted from American National Standard ANSI/ANS-16.1-2019 with permission of the publisher, the American Nuclear Society." Reproduction prohibited under copyright convention unless written permission is granted by the American Nuclear Society. Printed in the United States of America American National Standard ANSI/ANS-16.1-2019 Inquiry The American Nuclear Society (ANS) Standards Committee will provide responses to inquiries about requirements, recommendations, and/or permissive statements (i.e., “shall," Requests “should," and “may," respectively) in American National Standards that are developed and approved by ANS. Responses