GB/T 18883-2022 PDF English
US$635.00 · In stock · Download in 9 secondsGB/T 18883-2022: Standards for indoor air quality Delivery: 9 seconds. True-PDF full-copy in English & invoice will be downloaded + auto-delivered via email. See step-by-step procedureStatus: Valid GB/T 18883: Evolution and historical versions
| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivery | Name of Chinese Standard | Status |
| GB/T 18883-2022 | English | 635 |
Add to Cart
|
0-9 seconds. Auto-delivery
|
Standards for indoor air quality
| Valid |
| GB/T 18883-2002 | English | 85 |
Add to Cart
|
0-9 seconds. Auto-delivery
|
Indoor air quality standards
| Obsolete |
Excerpted PDFs (Download full copy in 9 seconds upon purchase)PDF Preview: GB/T 18883-2022
GB/T 18883-2022: Standards for indoor air quality---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/GBT18883-2022
GB
NATIONAL STANDARD OF THE
PEOPLE’S REPUBLIC OF CHINA
ICS 13.040.01
CCS C 51
Replacing GB/T 18883-2002
Standards for Indoor Air Quality
Issued on: JULY 11, 2022
Implemented on: FEBRUARY 1, 2023
Issued by. State Administration for Market Regulation;
Standardization Administration of the People’s Republic of China.
Table of Contents
Foreword... 3
1 Scope... 5
2 Normative References... 5
3 Terms and Definitions... 6
4 Requirements for Indoor Air Quality... 7
5 Determination and Evaluation of Indoor Air Quality Indicators... 8
Appendix A (normative) Technical Guideline for Indoor Air Quality Indicator Testing
... 10
Appendix B (normative) Determination of Formaldehyde... 18
Appendix C (normative) Determination of Benzene, Toluene and Xylene... 23
Appendix D (normative) Determination of Total Volatile Organic Compounds (TVOC)
... 39
Appendix E (normative) Determination of Benzo [a] pyrene in Inhalable Particulate
Matter... 48
Appendix F (normative) Determination of Inhalable Particulate Matter and Fine
Particulate Matter... 53
Appendix G (normative) Determination of Total Number of Bacteria... 57
Appendix H (normative) Determination of Radon... 59
Bibliography... 68
1 Scope
This document specifies the physical, chemical, biological and radioactive indicators and
requirements of indoor air quality, and describes the determination methods of each indicator.
This document is applicable to residential and office buildings. Other indoor environments may
take this document as a reference.
2 Normative References
The contents of the following documents constitute indispensable clauses of this document
through the normative references in this text. In terms of references with a specified date, only
versions with a specified date are applicable to this document. In terms of references without a
specified date, the latest version (including all the modifications) is applicable to this document.
GB 3095-2012 Ambient Air Quality Standard
GB/T 12372 Standard Method for Examination of Nitrogen Dioxide in Air of Residential Areas
- Modified Saltzman Method
GB/T 14669 Air Quality - Determination of Ammonia - Ion Selective Electrode Method
GB/T 15435 Ambient Air - Determination of Nitrogen Dioxide - Saltzman Method
GB/T 16128 Standard Method for Hygienic Examination of Sulfur Dioxide in Air of Residential
Areas - Formaldehyde Solution Sampling - Pararosaniline Hydrochloride Spectrophotometric
Method
GB/T 16129 Standard Method for Hygienic Examination of Formaldehyde in Air of Residential
Areas - Spectrophotometric Method
GB/T 18204.1 Examination Methods for Public Places - Part 1.Physical Parameters
GB/T 18204.2 Examination Methods for Public Places - Part 2.Chemical Pollutants
GB/T 27476.5 Safety in Testing Laboratories - Part 5.Chemical Aspects
GB/T 32465 Requirements for Verification & Validation of Detection Methods and Internal
Quality Control on Chemical Analysis
HJ 93 Specifications and Test Procedures for PM10 and PM2.5 Sampler
HJ/T 167 Technical Specifications for Monitoring of Indoor Air Quality
HJ 533 Air and Exhaust Gas - Determination of Ammonia - Nessler’s Reagent
Spectrophotometry
HJ 590 Ambient Air - Determination of Ozone - Ultraviolet Photometric Method
3 Terms and Definitions
What is defined in GB 3095-2012, and the following terms and definitions are applicable to
this document.
3.1 Indoor Air Quality Indicator
Indoor air quality indicator refers to physical, chemical, biological and radioactive indicators
related to human health in indoor air.
3.2 Inhalable Particulate Matter; PM10
Inhalable particulate matter refers to the particulate matter suspended in the air with a particle
size (aerodynamic equivalent diameter) less than or equal to 10 m.
[source. GB 3095-2012, 3.3, modified]
3.3 Fine Particulate Matter; PM2.5
Fine particulate matter refers to the particulate matter suspended in the air with a particle size
(aerodynamic equivalent diameter) less than or equal to 2.5 m.
[source. GB 3095-2012, 3.4, modified]
3.4 Total Volatile Organic Compounds; TVOC
Total volatile organic compounds refer to the volatile organic compounds which are sampled
by Tenax TA or equivalent packed adsorption tube, analyzed through non-polar or weakly polar
capillary column (polarity index less than 10), and with a retention time between n-hexane and
n-hexadecane.
4 Requirements for Indoor Air Quality
4.1 The indoor air shall be non-toxic, harmless, and with no abnormal odor.
4.2 The indoor air quality indicators and requirements shall comply with the stipulations of
Table 1.
5 Determination and Evaluation of Indoor Air Quality
Indicators
5.1 The determination of indoor air quality indicators shall be carried out in accordance with
Appendix A ~ Appendix H.
5.2 When the determination results of all physical, chemical, biological and radioactive
indicators comply with the requirements of this document, it shall be evaluated that the indoor
air quality complies with this document. When the determination result of any indicator fails to
reach the requirements of this document, it shall be evaluated that the indoor air quality does
Appendix A
(normative)
Technical Guideline for Indoor Air Quality Indicator Testing
A.1 Overview
This guideline specifies the point layout, sampling time and frequency, sampling instruments,
sampling methods, sampling records, sample transportation and storage, inspection methods,
quality assurance measures, result calculation and expression, and laboratory safety of indoor
air quality indicator testing. If there are clarified requirements in the determination methods of
the various indoor air quality indicators, the determination methods shall prevail; if there are
no requirements, this guideline may be taken as a reference.
A.2 Point Layout
A.2.1 Environmental requirements
Before sampling, the doors and windows, air purification equipment and fresh air system shall
be closed for at least 12 h. During sampling, the doors and windows, air purification equipment
and fresh air system shall remain closed. In the indoor environment where the air conditioner
is used, the air conditioner shall be kept in normal operation. The measurement of physical
indicators and indoor radon measurement (solid nuclear track measurement method), as well as
other measurements that fail to satisfy the aforementioned requirements shall be carried out
under the normal use of the house.
A.2.2 Number of sampling points
The number of sampling points shall be determined in accordance with the indoor area and site
conditions being monitored to correctly reflect the level of indoor air pollutants. For a single
room with an area less than 25 m2, 1 point shall be set; for a single room with an area 25 m2 ~
50 m2 (not included), 2 ~ 3 points shall be set; for a single room with an area 50 m2 ~ 100 m2
(not included), 3 ~ 5 points shall be set; for a single room 100 m2 and above, at least 5 points
shall be set.
A.2.3 Layout mode
For single-point sampling, lay out the point in the center of the house; for multi-point sampling,
the points shall be evenly distributed diagonally or in a quincunx pattern. The sampling point
shall avoid ventilation openings and heat sources; the distance from the wall shall be greater
than 0.5 m; the distance from the doors and windows shall be greater than 1 m.
A.2.4 Height of sampling point
In principle, it shall be consistent with the height of the adult’s breathing zone, and the relative
height shall be between 0.5 m ~ 1.5 m. If conditions permit, in consideration of the breathing
height of the sitting and lying state and the child’s height, the sampling at a relative height of
0.3 m ~ 0.6 m shall be added.
A.3 Sampling Time and Frequency
For the annual average concentration (for example, radon), conduct the sampling for at least 3
months (including winter); for the 24-hour average concentration (such as. benzo [a] pyrene,
PM2.5 and PM10, etc.), conduct the sampling for at least 20 h; for the 8-h average concentration,
conduct the sampling for at least 6 h; for the 1-h average concentration, conduct the sampling
for 45 min; in accordance with different determination methods, continuous or interval
sampling can be conducted.
A.4 Sampling Instrument
In accordance with the existence of the various indicators in the indoor air, select an appropriate
equipment. The noise of the instrument and equipment shall generally be less than 50 dB(A);
if the noise is too loud, the indoor noise shall be reduced through the mode of installing sound-
absorbing boxes.
A.5 Sampling Methods
A.5.1 General requirements
The sampling methods of the various indicators shall take the specific stipulations in the
determination method as a reference. On the basis of the method applicability verification, the
sampling method parameters, including sampling volume, sampling flow rate and sampling
time, can be appropriately adjusted to satisfy the testing requirements for the indoor air quality
indicators. The annual average and 8-hour average indicators are required. If the determination
method allows, the screening method can be adopted first for the sampling. If the test results
comply with the requirements of the indicators, they can be directly evaluated; if they fail to
comply with the requirements, the cumulative method shall be adopted for the sampling. For
benzo [a] pyrene, PM2.5 and PM10 that adopt the 24-h average, due to the limitation of the
determination method, the screening method cannot be adopted, and the cumulative method
needs to be directly adopted.
A.5.2 Sampling with screening method
For the screening method, the sampling should be conducted for 45 min. If a direct-reading
instrument is used, the sampling interval is 10 min ~ 15 min; each point is monitored at least 4
~ 5 times; the final result is expressed as a time-weighted average. Under special circumstances
(for example, radon), in accordance with the requirements of different determination methods,
the sampling shall be conducted for at least 24 h (consecutive measurement method) or 2 d ~ 7
d (activated carbon box measurement method).
A.5.3 Sampling with cumulative method
For the cumulative method, in accordance with the requirements of annual average, 24-h
average and 8-h average, and different determination methods, consecutive or interval sampling
can be conducted; the final result of interval sampling is expressed as a time-weighted average.
Radon shall be sampled by the solid nuclear track measurement method.
A.6 Sampling Records
During sampling, the respond to on-site conditions, possible pollution sources, detection
indicators, sampling date, time and location, number of sampling points, point layout modes,
atmospheric pressure, temperature, relative humidity, wind velocity, sampling No. (sampling
point, sampler and sampling tube, etc.) and sampling personnel shall be recorded in detail and
delivered to the laboratory together with the samples.
A.7 Sample Transportation and Storage
After checking the samples in accordance with the sampling records, assign special personnel
to transport the samples. During the transportation, the samples shall be effectively handled and
protected, so as to prevent changes in components and contents due to the influence of physical,
chemical, biological and other factors. After the samples arrive, they shall be handed over and
registered with the reception personnel. Pay attention to the storage conditions and conduct
laboratory tests in time.
A.8 Determination Methods
For the inspection of the various indicators of indoor air, the method specified in Table A.1 shall
be preferably selected. Before use, method verification shall be performed in accordance with
GB/T 32465.If the method specified in this document is not used, before use, the method shall
be confirmed in accordance with GB/T 32465, and compared with the specified determination
method, so as to ensure the consistency of the test results obtained by different determination
methods. If there are two or more determination methods for the same indicator in this
document, in accordance with different scopes of application, the corresponding determination
method shall be selected. If the scope of application is the same, select the method in accordance
with the technical conditions and actual situation, and the first method shall be taken as the
arbitration method.
......
Source: Above contents are excerpted from the full-copy PDF -- translated/reviewed by: www.ChineseStandard.net / Wayne Zheng et al.
Tips & Frequently Asked QuestionsQuestion 1: How long will the true-PDF of English version of GB/T 18883-2022 be delivered?Answer: The full copy PDF of English version of GB/T 18883-2022 can be downloaded in 9 seconds, and it will also be emailed to you in 9 seconds (double mechanisms to ensure the delivery reliably), with PDF-invoice. Question 2: Can I share the purchased PDF of GB/T 18883-2022_English with my colleagues?Answer: Yes. The purchased PDF of GB/T 18883-2022_English will be deemed to be sold to your employer/organization who actually paid for it, including your colleagues and your employer's intranet. Question 3: Does the price include tax/VAT?Answer: Yes. Our tax invoice, downloaded/delivered in 9 seconds, includes all tax/VAT and complies with 100+ countries' tax regulations (tax exempted in 100+ countries) -- See Avoidance of Double Taxation Agreements (DTAs): List of DTAs signed between Singapore and 100+ countriesQuestion 4: Do you accept my currency other than USD?Answer: Yes. www.ChineseStandard.us -- GB/T 18883-2022 -- Click this link and select your country/currency to pay, the exact amount in your currency will be printed on the invoice. Full PDF will also be downloaded/emailed in 9 seconds. Question 5: Should I purchase the latest version GB/T 18883-2022?Answer: Yes. Unless special scenarios such as technical constraints or academic study, you should always prioritize to purchase the latest version GB/T 18883-2022 even if the enforcement date is in future. Complying with the latest version means that, by default, it also complies with all the earlier versions, technically. How to buy and download a true PDF of English version of GB/T 18883-2022?A step-by-step guide to download PDF of GB/T 18883-2022_EnglishStep 1: Visit website https://www.ChineseStandard.net (Pay in USD), or https://www.ChineseStandard.us (Pay in any currencies such as Euro, KRW, JPY, AUD).
Step 2: Search keyword "GB/T 18883-2022".
Step 3: Click "Add to Cart". If multiple PDFs are required, repeat steps 2 and 3 to add up to 12 PDFs to cart.
Step 4: Select payment option (Via payment agents Stripe or PayPal).
Step 5: Customize Tax Invoice -- Fill up your email etc.
Step 6: Click "Checkout".
Step 7: Make payment by credit card, PayPal, Google Pay etc. After the payment is completed and in 9 seconds, you will receive 2 emails attached with the purchased PDFs and PDF-invoice, respectively.
Step 8: Optional -- Go to download PDF.
Step 9: Optional -- Click Open/Download PDF to download PDFs and invoice.
See screenshots for above steps: Steps 1~3 Steps 4~6 Step 7 Step 8 Step 9
|