GB/T 18204.4-2025 Active National standards

GB/T 18204.4-2025 Examination methods for public places—Part 4:Microorganism indicators on a surface of public articles

GB/T 18204.4-2025 Examination methods for public places—Part 4:Microorganism indicators on a surface of public articles

Publish Date: 2025-05-30 Implement Date: 2025-12-01 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

Basic Information

Standard Code: GB/T 18204.4-2025

Standard Type: National standards

Standard Status: Active

is_force_gb: no

CCS Name: Environmental hygiene

ICS Name: \nWater quality

Publish Date: 2025-05-30

Implement Date: 2025-12-01

Pages: 28 pages

Scope

This document describes the sampling and testing methods for the total number of bacteria, total number of fungi, Escherichia coli, Staphylococcus aureus, and β-hemolytic streptococcus on the surfaces of public supplies and utensils in public places.
This document is applicable to the testing of microbiological indicators on public supplies and utensils in public places. Other venues may refer to and implement it accordingly.

Development Information

Word Count: 37 Thousand words Pages: 28 pages

Same series standard

GB/T 18204.1-2025 Examination methods for public places—Part 1:Physical indicators GB/T 18204.2-2025 Examination methods for public places—Part 2:Chemical indicators GB/T 18204.3-2025 Examination methods for public places—Part 3:Airborne microorganism indicators GB/T 18204.5-2025 Examination methods for public places—Part 5:Central air conditioning and ventilation systems GB/T 18204.6-2025 Examination methods for public places—Part 6:Technical specifications of health monitoring

Replace the following standards

GB/T 18204.4-2013 Examination methods for public places—Part 4:Microorganism on a surface of public articles

Referenced Standards

GB/T 4789.28-2003 Microbiological examination of food hygiene—Stainning methods,culture mediums and reagents GB 4789.28-2013 Food Safety National Standards Quality Requirements for Media and Reagents Used in Food Microbiological Testing GB 4789.28-2024 Food Safety National Standards Microbial Test Cultivation Medium and Reagent Quality Requirements GB/T 6682-1992 Water for analytical laboratory use—Specification and test methods GB/T 6682-2008 Water for analytical laboratory use—Specification and test methods GB 19489-2004 Laboratories—General requirements for biosafety GB 19489-2008 Laboratories—General requirements for biosafety

Related Standards

GB/T 6816-1986 Abolished

GB/T 6816-1986 Water quality—Vocabulary—Part 1 and part 2

Publish Date: 1986-10-10

GB/T 6920-1986 Active

GB/T 6920-1986 Water quality—Determination of pH value—Glass electrode method

Publish Date: 1986-10-10

GB/T 7466-1987 Active

GB/T 7466-1987 Water quality—Determination of total chromium

Publish Date: 1987-03-14

GB/T 7467-1987 Active

GB/T 7467-1987 Water quality—Determination of chromium (Ⅵ)—1,5 Diphenylcarbohydrazide spectrophotometric method

Publish Date: 1987-03-14

GB/T 7468-1987 Abolished

GB/T 7468-1987 Water quality—Determination of total mercury—Cold atomic absorption spectropho to metry

Publish Date: 1987-03-14

GB/T 7469-1987 Active

GB/T 7469-1987 Water quality—Determination of total mercury—Potassium permanganate-potassium persalfate decomposed method—Dithizone spectrophotometric method

Publish Date: 1987-03-14