Organic matter in underground waters of the Amur region geothermal fields

The article presents the data on the organic matter composition in cold underground waters of hydrothermal fields in the Amur region. It was detected 64 organic compounds. The most common of them are alkanes, ethers, carboxylic acids, terpenes, and aldehydes. The studied organic compounds are of biogenic origin, with the exception of ketone and chlorobenzene, their presence indicating the technogenic pollution of the waters.