Which toxic vapors or gases require the installation of toxic gas detectors?
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According to GB50493-2009, clause 2.0.2 stipulates that the range of toxic gases covered by this standard refers to those toxic vapors or gases listed in the \"Catalogue of Highly Toxic Substances\" (issued by the Health and Supervision Department under document No. [2003]142). All of the items listed above require the installation of toxic gas detectors. Which toxic vapors or gases necessitate the use of toxic gas detectors?
The original poster can take a look at the \"Design Code for Detection and Alarm of Flammable and Toxic Gases in Petrochemical Enterprises\" (GB50493-2009), which lists the substances that must be equipped with detection systems
According to Clause 2.0.2 of the \"Design Code for Detection and Alarm of Flammable and Toxic Gases in Petrochemical Industries\" GB50493-2009, toxic gases refer to those toxic vapors or gases listed in the \"Catalogue of Highly Toxic Substances\" (Wei Fa Jian Fa [2003] No. 142). The listed vapors and gases require the installation of toxic gas detection alarms. However, acrylonitrile is mentioned twice; I’m not sure whether there’s an issue with my standards or what’s going on
Good eye! Acrylonitrile appears twice.