China’s standards are absolutely ridiculous; just look at these emission standards for styrene!
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GB 14554-93 \"Emission Standards for Malodorous Pollutants\" and GB 31571-2015 \"Emission Standards for Pollutants in the Petrochemical Industry\" – there is a huge difference between the values specified in these two standards! I wonder whether those who formulated GB 31571-2015, the Standards for Emission of Pollutants in the Petrochemical Industry, knew that styrene is a malodorous substance ! See the figure.
**Standard GB14554-93 defines malodors as all gaseous substances that irritate the olfactory organs, causing displeasure and damaging the living environment. It seems they only focused on establishing their own standards, without considering others.
The ‘stink’ here should be pronounced as “*u”.
I just found out. Thanks for the reminder; I used to read it as “chou”: lol
China’s strength to date stems from continuous improvement and progress. If you have objections, you can raise them through proper channels. The claim that “China’s standards are nonsense” is incorrect; if you’re capable, then you should do something to ensure that those standards aren’t nonsense. . . Oh, I guess it’s a different story if you’re not Chinese.
After reviewing the standards, it is necessary to explore certain issues; for example, I still have doubts regarding several standard-related questions. First, the descriptions in these standards are inconsistent and ambiguous. Second, the reasons behind this have not been identified. Standards are rules used to guide practice; they are necessary to prevent accidents and, secondly, to promote excellent methods.
There are indeed issues with these standards, and the relevant departments aren’t very attentive to them. However, your title referring to Chinese standards is a bit overgeneralizing; after all, only a small portion of cases involve such lack of attention
Differences may arise due to factors such as the historical context, starting points, and focus of each standard’s development. Normal: D
You’re overthinking it! China’s standards are really terrible; there are not just one or two such issues. The HG20592 flange standard is quite commonly used, but it’s full of errors as well!
Moreover, GB 14554-93 specifies the emission standards at the factory boundary, while GB 31571-2015 sets limits for emissions at the exhaust stacks of workshops or production facilities. There is a big difference between the two.
Well, at least the standard error I’m using isn’t that severe; continuing to learn*, being able to identify errors is also a sign of a high level of skill