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.
Hashem AR. Effect of copper on the growth of Aspergillus niger, Penicillium chrysogenum and Rhizopus stolonifer. Trans. Mycol. Soc. Jpn. 30: 111-119, 1989.