Which of the emitted gases are considered waste gases?
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Are only those gases that cause pollution to the environment considered waste gases? Is there a list of waste gases that need to be treated?
Anything that is emitted is called exhaust gas. Some do not require control, while others do. Consult relevant emission standards, such as the \"Comprehensive Emission Standards for Air Pollutants\", and none of the established standards may be violated
Gases emitted without participating in the production process are all waste gases. Gases cannot be classified as waste gases merely based on whether they cause pollution to the environment, nor can there be a fixed list of \"waste gases that need to be treated\", as some gases are waste gases in one facility but serve as feed gases in another, such as CO, CO2, etc.
\"Comprehensive Emission Standards for Air Pollutants\"