Robuta

https://www.worksafebc.com/en/law-policy/occupational-health-safety/regulating-chemical-exposure/decision-new-revised-occupational-exposure-limits-2025-june?utm_campaign=NewRevisedACGIH-062025&utm_medium=WorkSafeBC&utm_source=enews
b cdecisionnewrevisedexposure
https://thelawdictionary.org/american-conference-of-governmental-industrial-hygienists-acgih/
A government agency that controls work exposure for chemicals and other agents. The limits are followed world wide.
american conferenceindustrial hygienistsgovernmentalacgih
https://www.worksafebc.com/en/law-policy/occupational-health-safety/regulating-chemical-exposure/2023-new-revised-acgih-threshold-limit-values-bc-els?utm_campaign=ELimitapp-82023&utm_medium=WorkSafeBC&utm_source=enews
threshold limit valuesnewrevisedacgihb