HG20660—2017 Changes in the degree of toxicity hazard for certain media
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As shown in the figure, compared with HG20660—2000, HG20660—2017 raises the toxicity level of hydrogen sulfide from moderate hazard to high hazard； However, the standard cited in TSG22—2016 is HG20660—2000, and the year of issuance of that standard is also specified; therefore, should equipment containing hydrogen sulfide be treated as highly hazardous?
According to the documents issued by the General Administration, if the year is specified, it shall be taken as 2000; if not specified, the latest standard shall be applied
Could you tell me which document from the General Administration it is?
The General Administration’s website provides responses to questions related to the implementation of HG20660-2017; you can also check out this post for relevant information: https://bbs.hcbbs.com/thread-1904580-1-1.html
There is an answer to this question on the website of the General Administration of Quality Supervision, Inspection and Quarantine.