This document specifies the quality requirements, inspection methods, inspection rules, marking, packaging, transportation and storage of 1,2-dichloroethane in the recycling industry. This document applies to the production, inspection and sales of products that use hazardous waste containing 1,2-dichloroethane as raw materials and use distillation processes to recover 1,2-dichloroethane. This product is only applicable to painting, building materials, Rubber, plastic and other industrial fields. Molecular formula: CH2ClCH2Cl Molecular weight: 98.95 (according to the 2018 international relative atomic mass).