DB3502/T 153-2024
Technical Specification for Ambient Air Mobile Monitoring Technology (English Version)
- Standard No.
- DB3502/T 153-2024
- Language
- Chinese, Available in English version
- Release Date
- 2024
- Published By
- Fujian Provincial Standard of the People's Republic of China
- Latest
- DB3502/T 153-2024
- Introduction
Analysis of the core content of the standard
This standard systematically regulates the technical requirements of Xiamen's ambient air cruise monitoring vehicle for the first time, focusing on the control of two types of pollutants: volatile organic compounds (VOCs) and particulate matter. The standard innovatively proposes a dual-system parallel monitoring solution: the VOCs monitoring unit is required to have a response time of ≤5 seconds, and the particulate matter monitoring unit must have real-time data transmission function.
Comparison of key technical indicators
Monitoring type Response time Required substances Quality control requirements VOCs monitoring ≤5 seconds 57 kinds (including benzene) Quarterly calibration R²≥0.98 Particle monitoring Continuous monitoring TSP/PM10/PM2.5 24h flow change≤5%
Key points of implementation
Typical application scenarios
In the pilot project in Xiamen Xiang'an Industrial Park, a cruise monitoring vehicle was used to cruise at a speed of ≤30km/h. It was found that the peak VOCs concentration downwind of a certain enterprise reached 682μg/m³. The pollution source was identified as xylene leakage through component analysis, which increased the efficiency by 80% compared with traditional monitoring.
Innovative regulations
- Dynamic early warning mechanism: When the VOCs concentration exceeds 400μg/m³, a 10-minute fixed-point monitoring is automatically triggered
- Spatial resolution: A set of valid data is generated every 20 meters
- Four-level color code system: Establish an intuitive pollution classification from green (0-300μg/m³) to purple (≥600μg/m³)
Quality control system
A three-level quality control network is established according to the standard:
- Equipment level: The single-point calibration error of the VOCs monitoring unit per week is ≤20%
- Process level: The signal-to-noise ratio of the particle radar at 1000m≥30dB
- Management level: Mandatory preservation of maintenance and calibration records for at least 3 years
Recommendations for the implementation of the standard
In view of the climate characteristics of Xiamen's coastal areas, it is recommended that:
- Prioritize navigation in industrial areas during the northeast monsoon period
- Configure a corrosion-resistant vehicle-mounted sampling system
- Establish an emergency monitoring plan for extreme weather such as typhoons
DB3502/T 153-2024 Referenced Document
- GB 7258 Amendment No. 2 to Technical Conditions for Motor Vehicle Operation Safety
- HJ 1010-2018 Technical requirements and detection methods of gas chromatography continuous monitoring system for volatile organic compounds in ambient air
- HJ 168 Technical guidelines for formulation of environmental monitoring analysis method standards
- HJ 194 Technical specification for manual monitoring of ambient air quality "Revision No. 1"
- HJ 212 Data transmission standard for online monitoring systems of pollutant
- HJ 654 Ambient air gaseous pollutants (SO2, NO2, O3, CO) continuous automatic monitoring system technical requirements and detection methods "No. 1 Amendment"
- HJ 759 Determination of 65 Volatile Organic Compounds in Ambient Air Tank Sampling/Gas Chromatography-Mass Spectrometry
- HJ/T 55 Technical guidelines for fugitive emission monitoring of air pollutants
DB3502/T 153-2024 history
- 2024 DB3502/T 153-2024 Technical Specification for Ambient Air Mobile Monitoring Technology
