- OSHA Chemical Sampling Data Base: https://www.osha.gov/chemicaldata/index.html
- OSHA Sampling & Analytical Methods: https://www.osha.gov/dts/sltc/methods/
- NIOSH/CDC Sampling & Analytical methods: https://www.cdc.gov/niosh/nmam/default.html
- OSHA Technical Manual: https://www.osha.gov/dts/osta/otm/otm_toc.html
- EPA Air Sampling Methods: https://www.epa.gov/amtic/air-monitoring-methods
- EMSL Sampling Guides: https://www.emsl.com/SamplingGuides.aspx
- NIOSH Research: https://www.cdc.gov/niosh/data/default.html
- NIOSH Publication Search: https://www.cdc.gov/niosh/pubs/
- OSHA research data: https://www.osha.gov/data
