The "Technical Standards for Canal Seepage-proof Lining Engineering" is now approved as the national standard, numbered GB/T50600-2020, and will be implemented from March 1, 2021. The original national standard "Technical Specifications for Canal Seepage Prevention Engineering" (GB/T50600-2010) will be abolished at the same time. This standard is published on the website of the Ministry of Housing and Urban-Rural Development (www.mohurd.gov.cn), and is published by China Planning Publishing House Co., Ltd. organized by the Institute of Standards and Quotas of the Ministry of Housing and Urban-Rural Development. Ministry of Housing and Urban-Rural Development June 9, 2020