GB/T 18204.6-2025 PDF English
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Examination methods for public places - Part 6: Technical specifications of health monitoring
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| GB/T 18204.6-2013 | English | 169 |
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Examination methods for public places -- Part 6: Technical specifications of health monitoring
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| GB/T 18204.6-2000 | English | 199 |
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Methods of microbiological examination for barbertools. Determination of Coliform bacteria
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GB/T 18204.6-2025: Examination methods for public places - Part 6: Technical specifications of health monitoring
---This is an excerpt. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.), auto-downloaded/delivered in 9 seconds, can be purchased online: https://www.ChineseStandard.net/PDF.aspx/GBT18204.6-2025
GB
NATIONAL STANDARD OF THE
PEOPLE’S REPUBLIC OF CHINA
ICS 13.060
CCS C 51
Replacing GB/T 18204.6-2013
Examination methods for public places -- Part 6.Technical
specifications of health monitoring
Issued on: MAY 30, 2025
Implemented on: DECEMBER 01, 2025
Issued by. State Administration for Market Regulation;
Standardization Administration of the People's Republic of China.
Table of Contents
Foreword... 3
Introduction... 5
1 Scope... 6
2 Normative references... 6
3 Terms and definitions... 6
4 Frequency, sample size, and sampling requirements for hygienic monitoring for
public places... 7
5 Sample size requirements for monitoring public goods and appliances... 11
6 Quality control of on-site sampling operations... 11
7 Preservation and transportation of samples... 11
Bibliography... 13
Examination methods for public places -- Part 6.Technical
specifications of health monitoring
1 Scope
This document specifies the frequency, sample size and sampling requirements, quality
control and other technical requirements for hygienic monitoring for public places. It
describes the verification method.
This Part is applicable to hygienic monitoring for public places. For other places, it shall
follow this Part for implementation.
2 Normative references
The following referenced documents are indispensable for the application of this
document. For dated references, only the edition cited applies. For undated references,
the latest edition of the referenced document (including any amendments) applies.
GB/T 18204.1, Examination methods for public places -- Part 1.Physical indicators;
GB/T 18204.2, Examination methods for public places -- Part 2.Chemical
indicators;
GB/T 18204.3, Examination methods for public places -- Part 3.Airborne
microorganism indicators;
GB/T 18204.4, Examination methods for public places -- Part 4.Microorganism
indicators on a surface of public articles;
GB/T 18204.5, Examination methods for public places -- Part 5.Central air
conditioning ventilation system.
3 Terms and definitions
For the purposes of this document, the following terms and definitions apply.
3.1 hygienic monitoring for public places
During the business hours in public places, environmental sample collection and testing
shall be carried out based on the evaluation of hygiene conditions.
3.2 period with the peak flow of customers
During the business hours in public places, the period when the number of customers
accounts for 70% or more of the designed maximum passenger capacity.
4 Frequency, sample size, and sampling requirements for
hygienic monitoring for public places
4.1 Hygienic monitoring of accommodation places such as hotels, inns, and
guesthouses
4.1.1 Indoor air
4.1.1.1 Monitoring frequency. air quality monitoring shall be conducted once in the
morning and once in the afternoon of the same day; the frequency of routine health
supervision and monitoring can be carried out according to relevant regulations.
4.1.1.2 Monitoring sample size. monitor frequently used guest rooms. Sampling under
normal usage conditions. For places with less than or equal to 100 guest rooms, 3%~5%
of the number of guest rooms shall be selected for monitoring. For places with more
than 100 guest rooms, 1%~3% of the number of guest rooms shall be selected for
monitoring. And the number of monitored guest rooms in each location shall not be less
than 3.One measuring point shall be set up for each room with an indoor area of less
than 50 m2.Set up 2 measuring points for rooms with an indoor area of 50 m2~200 m2.
Set up 3~5 measuring points for rooms with an indoor area greater than 200 m2.
4.1.1.3 Sampling requirements. the sampling method for monitoring physical indicators
shall comply with GB/T 18204.1.The sampling method for monitoring chemical
indicators shall comply with GB/T18204.2.The sampling method for monitoring air
microbial indicators shall comply with GB/T 18204.3.Record the status of the air
conditioning switch, sampling height, temperature and humidity, and other
environmental conditions during sampling.
4.1.2 Domestic drinking water
4.1.2.1 Monitoring frequency. the frequency requirements for monitoring drinking
water (including pipeline direct drinking water) are the same as those in 4.1.1.1.
Monitor shower water at least once a year in both summer and winter.
4.1.2.2 Monitoring sample size. the number of guest rooms for monitoring drinking
water and shower water shall be the same as 4.1.1.2.Collect 2 drinking water samples
and 2 bath water samples in each room. If there is direct drinking water through
pipelines, two additional water samples shall be taken.
4.1.2.3 Sampling requirements. Refer to GB/T 5750.2 to collect drinking water samples.
Collect 500 mL of hot water normally used for showerheads or bathtub faucets for
physical and chemical testing. Collect 500 mL of cold water normally used for
showerheads or bathtub faucets for microbiological testing.
4.2 Hygienic monitoring of theaters, music halls, video halls (rooms), amusement
halls, dance halls and other places
4.2.1 Indoor air in theaters, music halls, video halls (rooms), etc.
4.2.1.1 Monitoring frequency. air quality monitoring is conducted once during the
period with the peak flow of customers and the off-peak period of the day. The
frequency of routine health supervision and monitoring can be carried out according to
relevant regulations.
4.2.1.2 Monitoring sample size. 20% of the number of internal business halls/rooms
shall be selected, and the number of monitoring business halls/rooms shall not be less
than one. Install 1~2 measuring points in business halls/rooms with less than 300 seats.
Arrange 2~3 measuring points in a business hall/room with a seating capacity of 300~
500.A business hall/room with 501~1000 seats is equipped with 3~4 measuring points.
Install 5 measuring points in business halls/rooms with more than 1000 seats.
4.2.1.3 Sampling requirements. select frequently used business areas. The testing height
shall be consistent with the height of the breathing belt. Measurement points shall avoid
open air vents, ventilation ducts, etc. The sampling method for monitoring physical
indicators shall comply with GB/T 18204.1.The sampling method for monitoring
chemical indicators shall comply with GB/T 18204.2.The sampling method for
monitoring air microbial indicators shall comply with GB/T 18204.3.Record the status
of the air conditioning switch, sampling height, temperature and humidity, and other
environmental conditions during sampling.
4.2.2 Indoor air in amusement halls, dance halls, etc.
4.2.2.1 Monitoring frequency. same as 4.2.1.1.
4.2.2.2 Monitoring sample size. install one monitoring point in places with a business
area of less than 50 m2.Install 2 measuring points in a venue with a business area of 50
m2~200 m2.Set up 3 to 5 measuring points in places with a business area >200 m2.
4.2.2.3 Sampling requirements. same as 4.2.1.3.
4.3 Hygienic monitoring of public bathhouses, swimming pools and other places
4.3.1 Indoor air
4.3.1.1 Monitoring frequency. same as 4.2.1.1.
4.3.1.2 Monitoring sample size. the business area of the venue shall be classified and
calculated according to different functional areas (such as bathrooms, swimming pools,
4.4.2 Monitoring sample size. beauty salons shall sample 20% of the number of beauty
rooms, and each beauty venue shall monitor no less than 2 beauty rooms. Each beauty
room is equipped with one measuring point. When the business area of a beauty salon
is < 50 m2, one measuring point shall be set up on the premises. When the business area
is between 50 m2~200 m2, two measuring points shall be set up in the venue. When the
business area is >200 m2, the venue shall be equipped with 3~5 measuring points.
4.4.3 Sampling requirements. select frequently used business areas. Measurement
points shall avoid open air vents, ventilation ducts, etc. The sampling method for
monitoring physical indicators shall comply with GB/T 18204.1.The sampling method
for monitoring chemical indicators shall comply with GB/T 18204.2.The sampling
method for monitoring air microbial indicators shall comply with GB/T 18204.3.
Record the status of the air conditioning switch, sampling height, temperature and
humidity, and other environmental conditions during sampling. Places that have both
beauty and hairdressing areas shall be sampled in different zones.
4.5 Indoor air hygienic monitoring of sports venues
4.5.1 Monitoring frequency. same as 4.2.1.1.
4.5.2 Monitoring sample size. two monitoring points are set up in places with a business
area < 1000 m2.Set up three measuring points in a location with a business area of 1000
m2~5000 m2.Install 5 measuring points in places with a business area >5000 m2.
4.5.3 Sampling requirements. same as 4.2.1.3.
4.6 Indoor air hygienic monitoring in exhibition halls, museums, libraries, art
galleries, shopping malls (stores), bookstores, waiting rooms (machines, ships) and
other places
4.6.1 Monitoring frequency. same as 4.2.1.1.
4.6.2 Monitoring sample size. install one monitoring point in places with a business
area < 200 m2.Install 2 measuring points in a location with a business area ranging from
200 m2~1000 m2.Install 3 measuring points in places with a business area >1000 m2.
4.6.3 Sampling requirements. same as 4.2.1.3.
4.7 Hygienic monitoring of other places
Monitor according to the requirements of 4.1~4.6 based on the characteristics of the
corresponding location.
4.8 Monitoring of centralized air conditioning and ventilation systems in public
places
The hygienic monitoring of centralized air conditioning and ventilation systems in
various public places shall be carried out in accordance with the provisions of GB/T
18204.5.
5 Sample size requirements for monitoring public goods and
appliances
The hygienic monitoring of public goods and appliances in various public places shall
be carried out in accordance with the provisions of GB/T 18204.4.In principle, the
monitoring sample size of public goods and appliances shall be selected from 3%~5%
of the total number of items for cleaning, disinfection, and backup use. The sampling
quantity for each type of supplies and utensils shall not be less than 3 and not more than
10.
6 Quality control of on-site sampling operations
6.1 Before each monitoring, on-site monitoring personnel shall receive job training. The
training content includes monitoring objectives, planning arrangements, specific
guidance and requirements for monitoring techniques, record filling requirements, etc.
6.2 Before on-site sampling, the instrument shall be routinely inspected according to
the controlled monitoring method standards or operation instructions, and the
instrument manual shall be consulted to familiarize oneself with the instrument's
performance and scope of application, and to use the monitoring instrument correctly.
6.3 Before putting the instrument into use and after troubleshooting, it shall be
calibrated or calibrated. Verification and calibration shall be conducted annually, with
periodic checks and maintenance.
6.4 Before each air sampling, the airtightness of the sampling system shall be checked.
Flow calibration shall be performed under load conditions before and after sampling.
The relative deviation between the flow values of the two calibrations shall not exceed
5%.
6.5 Chemical index monitoring sampling shall have a blank control and parallel samples
shall be taken.
6.6 Microbial indicator monitoring sampling shall be sterile. Sampling tools, such as
sampling vessels, test tubes, wide mouthed bottles, scissors, etc., shall be sterilized and
stored sterile.
7 Preservation and transportation of samples
7.1 Marking shall be done immediately after sampling. Fill out the sampling record
......
Source: Above contents are excerpted from the full-copy PDF -- translated/reviewed by: www.ChineseStandard.net / Wayne Zheng et al.
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