This document describes the on-site sampling and testing methods for the total number of bacteria, fungi, β-hemolytic streptococcus, and Legionella pneumophila in the air of public places. This Part is applicable to the determination of air microbiological indicators in public places. Refer to this document for other locations.
Basic Data
Standard ID
GB/T 18204.3-2025 (GB/T18204.3-2025)
Description (Translated English)
Examination methods for public places - Part 3: Airborne microorganism indicators
Sector / Industry
National Standard (Recommended)
Classification of Chinese Standard
C51
Classification of International Standard
13.060
Word Count Estimation
24,212
Date of Issue
2025-05-30
Date of Implementation
2025-12-01
Older Standard (superseded by this standard)
GB/T 18204.3-2013
Issuing agency(ies)
State Administration for Market Regulation, China National Standardization Administration
