[Problems of environmental compatibility of the Russian and US segment of the International space station]. / Problemy sovmestimosti sredy obitaniia rossiiskogo i amerikanskogo segmentov Mezhdunarodnoi kosmicheskoi stantsii.

The problem of environmental compatibility of the ISS Russian and U.S. segments arises from chemical and biological inequality of their atmospheres and is attested by the data of observations during operation of Russian orbital stations Salyut and Mir. Efforts must be made to develop unified limits, and common procedures and requirements for evaluation of ISS materials and equipment by experts of the international partners.