This is a market activity that represents a multi-technology treatment. In the case of products requiring treatment, the market mixture is supplied by activities treating the product as defined by the geographical location of the market, and they supply the activities that provide the required product treatment, since they generate it as waste (recyclable) / waste (non-recyclable) in unspecified processes (represented as negative input in the system model). Where relevant, transport to treatment facilities or losses are also accounted for in such markets. This is the market for \"domestic wastewater\" in the Northwestern region of China, which includes: Shaanxi, Gansu, Qinghai, Ningxia, and Xinjiang. The dataset covers transport from producer to consumer of the product within the geographical area.