Regarding the setup of toxic gas probes
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1. According to Article 2.02, Paragraph 4 of the Interpretation of the Design Standards for Detection and Alarm of Flammable and Toxic Gases in the Petrochemical Industry (GBT 50493-2019), gases listed in the Exposure Limits for Chemical Hazardous Factors (GBZ2.1-2019) are considered toxic gases. Since substances such as sulfuric acid and sodium hydroxide also have specified exposure limits, is it necessary to install detectors for toxic gases in these cases as well?
It seems that this setting makes no sense: firstly, it’s not necessarily possible to detect it, and secondly, even if there is a leak, it won’t cause much harm to the human body