Biosafety classification is based on U.S. Public Health Service Guidelines, it is the responsibility of the customer to ensure that their facilities comply with biosafety regulations for their own country.
Au F, Beckert WF. System for sampling and monitoring microscopic organisms and substances. US Patent 3,983,007 dated Sep 28 1976
. . Soil Biol. Biochem. 24: 129-135, 1992.
. . IAEA-SM-199/72 : 337-345, 1976.
