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What are the annual inspection exhaust emission standards?

1 Answers

LaKai

07/25/25 3:26pm

Annual inspection exhaust standards: Carbon monoxide: A (700mg/km); B (500mg/km); Non-methane hydrocarbons: A (68mg/km); B (35mg/km); Nitrogen oxides: A (60mg/km); B (35mg/km); PM fine particles: A (4.5mg/km); B (3mg/km). General process of vehicle exhaust testing: 1. Information entry: Computer enters information, registers vehicle details, then assigns inspection lanes based on vehicle characteristics. This process is fully automated by the computer. 2. Designated inspection lane: Dispatchers direct staff to drive vehicles to assigned lanes. Supervisors have no authority to change inspection lanes. 3. Lane confirmation: Control room verifies if vehicles enter correct lanes. Next steps cannot proceed without confirmation. 4. Exhaust testing: Technicians follow computer prompts for proper operation. Successful testing requires correct procedures. Results are compared against standard values, then uploaded to servers. 5. Payment: Finally pay at environmental testing fee counter. Non-compliant vehicles require rectification before retesting. Compliant vehicles receive environmental certification marks.

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