Measures for the Environmental Management Registration of Hazardous Chemicals (Trial) (a.k.a. MEP Order 22) entered into force on Mar 1, 2013, since then the implementation of the environmental management registration of hazardous chemicals has progressed steadily but slowly. The Solid Waste and Chemicals Management Center of China Ministry of Environmental Protection (SCC-MEP), as the major technical support institution of MEP Order 22, has held numerous trainings, seminars and discussions in a bid to gather and address the practical questions of local environmental administrations and chemical enterprises. In 2015, the Pollution Prevention and Control Division of MEP launched a sub-project to revise the Measures for the Environmental Management Registration of Hazardous Chemicals and commissioned SCC to carry out the revision and research work. Three revision goals were set including: