Brazilian Permissible Limits for Hazardous Chemical Factors in the Workplace

Data：204Last Updated：May 28, 1991

Brazilian Permissible Limits for Hazardous Chemical Factors in the Workplace

Brazilian Permissible Limits for Hazardous Chemical Factors in the Workplace established by the Ministry of Labor and Employment, covers OELs for approximately 150 substances, defining 8-hour TWAs and ceiling limits (C), with skin absorption notations indicated for specific substances. Employers must assess concentrations using at least ten instantaneous sampling points to ensure the arithmetic mean does not exceed statutory permissible limits, as non-compliance is deemed a critical emergency risk scenario.

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