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Emission standard of nitrogen oxides
Nitrogen oxide emission standards are as follows:
1, chimney emission standard: for new equipment, the allowable emission shall not exceed 50mg of nitrogen oxides (NOX) per cubic meter of air.
2. Emission standard of industrial furnaces: the emission of new equipment shall not exceed 3.2g/kW, and the emission standard of old equipment shall be 4.5g/kW.
3. Vehicle emission standard: The emission of nitrogen oxides from new cars shall not exceed 0.05g NOX per cubic meter of air.
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