China Updates Workplace Hazardous Chemical OELs Standards
Sep 04, 2019
Horace Wang
China National Health Commission released new OELs (occupational exposure limits) for Chemical Hazardous Agents in the Workplace, which will take effect and replace GBZ 2.1-2007 on 1st April 2020.
In the new edition, Peak Exposure will replace Excursion Limit to describe the short-time exposure limit for chemical hazardous agents without a specific PC-STEL value.
The Critical Adverse Health Effects, which determine the concentration limits of a hazardous agent, are described in the table together with the limit values of the agent now.
Content relevant to the determination of exposure level when exposed to more than two kinds of hazardous agents, biological monitoring and the exposure level grading system and corresponding measures, etc. are added as well.
On 27th August, the National Health Commission of People’s Republic of China released GBZ 2.1-2019 [1], namely, the 2019 version of Occupational Exposure Limits for Hazardous Agents in the Workplace (Part 1: Chemical Hazardous Agents). The new version will take effect and replace GBZ 2.1-2007 (English version available on Chemlinked [2]) on 1st April, 2020. In the new version, besides the update of OELs and substance information, the description method of short-time exposure limit for hazardous agents without PC-STEL is changed. The content of adverse health effects, ratio of occupational exposure level to OELs, biological exposure limits and the grading of exposure level and corresponding measures, etc. are added as well.
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