Standard Number: HJ 1237-2021(HJ1237-2021)
Chinese:机动车排放定期检验规范
English:Specification for Periodic Motor Vehicle Emission Inspection
Effective Date:2022-07-01
Standard Applicability:This standard specifies the motor vehicle emissions inspection agency inspection system composition and technical requirements, daily operation and maintenance requirements, standard substances, inspection technology requirements, data recording and revision, quality assurance and other content. This standard applies to motor vehicle emissions inspection organizations to carry out regular inspection of automobile emissions and registration inspection. This standard applies to the ecological environment departments above the county level in accordance with the law to carry out supervision and management of motor vehicle emissions inspection organization. This standard does not apply to motor vehicle environmental noise inspection and testing.
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