GB/T 17729-2023 Translated English of Chinese Standard (GB/T 17729-2023, GBT17729-2023): Hygienic standard and detect methods for the air quality inside interurban bus
https://www.chinesestandard.net, 2023 M06 15 - 15 pages
This document specifies the limits and detection methods for volatile organic compounds and carbonyl compound in new interurban buses, and the limits and detection methods for the main components of the air in in-service interurban buses. This document is applicable to Class B and Class III buses in Category-M2, Category-M3. Other types of buses may take this as a reference.
aerobic plate count Air in In-service air microbial sampler air purification device Air Quality Inside airtightness arithmetic mean arrange the sampling atmospheric pressure auxiliary door background concentration bus is added buses Calculate the concentration Carbon Dioxide Carbon Monoxide carbonyl compound closed stage column sampling tube Compounds and Carbonyl constant-flow gas sampler Detect Methods Determination of Volatile document Formaldehyde gas chromatographic HJ/T in-service interurban bus Inside Long Distance interurban bus refers limit value Limits of Volatile Long Distance Coach main components mL/min on-site blank organic compounds TVOC packed column sampling parallel samples passenger compartment portable pump-suction gas pump-suction gas detector Quality Inside Long relative deviation sample collection device sampling conduit sampling environment chamber sampling flow rate sampling points sampling process sampling volume setting of sampling Shanghai specifies the limits stipulations of 6.1.3 terms and definitions test results toluene total volatile organic vehicle under inspection Version volatile organic compounds Xylene