What regulatory guidelines apply to osmium (CAS: 7440-04-2)?

Osmium (CAS: 7440-04-2) is classified under the Globally Harmonized System (GHS) as a toxic substance. It is regulated by the REACH (Registration, Evaluation, Authorisation and Restriction of Chemicals) in the European Union, requiring registration and evaluation of its use. In the United States, the Environmental Protection Agency (EPA) and the Food and Drug Administration (FDA) may have specific guidelines for handling and disposal based on its use and form.详尽的信息需要具体上下文和详细研究，但上述概述了主要的监管要求。