This standard specifies the general framework, principles and requirements for conducting and reporting life cycle assessment studies. This standard does not describe life cycle assessment techniques in detail.
GB/T 24040-1999 history
2008GB/T 24040-2008 Environmental management.Life cycle assessment.Principles and frameworks
1999GB/T 24040-1999 Environmental management--Life cycle assessment--Principles and frameworks
GB/T 24040-1999 Environmental management--Life cycle assessment--Principles and frameworks was changed to GB/T 24044-2008 Environmental management.Life cycle assessment.Requirements and guidelines.