2018CJ/T 51-2018 Standard test method for urban sewage water quality
2004CJ/T 51-2004 Methods for the examination of municipal sewage
1999CJ/T 64-1999 Municipal sewage.Determination of benzene series(C6-C8).Gas chromatographic method
CJ/T 64-1999 Municipal sewage.Determination of benzene series(C6-C8).Gas chromatographic method was changed to CJ/T 51-2004 Methods for the examination of municipal sewage.