This is an academic paper that shows data on occupations that are at highest risk for fatal opioid overdoses in Massachusetts, some potential reasons for this higher risk, and organizational policies that can mitigate this risk.
Shaw, W.S., Roelofs, C., Punnett, L. (2020). Work Environment Factors and Prevention of Opioid-Related Deaths. American Journal of Public Health, 110(8), 1235-1241.