Storage of Category I and II toxic liquids
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Internal floating roof storage tanks with a capacity of 1000 cubic meters or less (including 1000 cubic meters) used for storing benzene must comply with clause 4.2.9 b) of SHT 3007-2014, \"Design Code for Storage Areas in Petrochemical Storage and Transportation Systems.\" What exactly are the toxic liquids of grades I and II referred to here? Are there specific criteria or standards for the classification?
Classified according to GBZ 230-2010 \"Classification of the Hazard Levels of Occupational Exposure to Toxic Substances\"
According to HG20660-2000, toxicity grades I and II refer to extremely hazardous and highly hazardous
It is specified in the explanatory notes of this standard. However, some of them are inconsistent with HG20660-2017; for example, benzene is classified as belonging to Category I, which represents extreme hazard, due to its carcinogenic properties
It is specified in the explanatory notes of this standard. However, some of them are inconsistent with HG20660-2017; for example, benzene is classified as belonging to Category I, which represents extreme hazard, due to its carcinogenic properties
HG20660-2000