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.
Zeikus JG, et al. Microbiology of methanogenesis in thermal, volcanic environments. J. Bacteriol. 143: 432-440, 1980. PubMed: 7400098
thermal spring, Yellowstone National Park
