CDC/NIOSH: [https://www.cdc.gov/niosh/idlh/7782492.html Selenium compounds (as Se)] from NIOSH Documentation for immediately dangerous to life or health concentrations (IDLHs) | CDC/NIOSH: [https://www.cdc.gov/niosh/idlh/7782492.html Selenium compounds (as Se)] from NIOSH Documentation for immediately dangerous to life or health concentrations (IDLHs) |