Engineering Controls
- Most practical guidance on engineering controls from COSHH Essentials: https://www.hse.gov.uk/coshh/essentials/coshh-tool.htm
- Exposure Controls in metal and non-metal mining: https://www.cdc.gov/niosh/mining/UserFiles/works/pdfs/2010-132.pdf
- Exposure controls in lead smelting: https://www.osha.gov/SLTC/etools/leadsmelter/refiningcasting/casting.html