GB 8702-2014 PDF English
US$75.00 · In stock · Download in 9 secondsGB 8702-2014: Controlling limits for electromagnetic environment Delivery: 9 seconds. True-PDF full-copy in English & invoice will be downloaded + auto-delivered via email. See step-by-step procedureStatus: Valid GB 8702: Evolution and historical versions
| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivery | Name of Chinese Standard | Status |
| GB 8702-2014 | English | 75 |
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Controlling limits for electromagnetic environment
| Valid |
| GB 8702-1988 | English | 279 |
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Regulations for electromagnetic radiation protection
| Obsolete |
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GB 8702-2014: Controlling limits for electromagnetic environment---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/GB8702-2014
GB
NATIONAL STANDARD OF
THE PEOPLE’S REPUBLIC OF CHINA
ICS
Replacing GB 8702-88, GB 9175-88
Controlling limits for electromagnetic environment
Issued on. SEPTEMBER 23, 2014
Implemented on. JANUARY 1, 2015
Issued by. Ministry of Environmental Protection;
General Administration of Quality Supervision, Inspection
and Quarantine.
Table of Contents
Foreword... 3
1 Scope... 5
2 Normative references... 5
3 Terms and definitions... 5
4 Limits and evaluation methods... 7
5 Exemption range... 9
6 Monitoring... 9
Foreword
This Standard was formulated so as to implement the "People's Republic of
China Environmental Protection Law", strengthen the electromagnetic
environment management and protect public health.
This Standard is an integrated revision to GB 8702-88 Electromagnetic
radiation protection regulations and GB 9175-88 Environmental health
standards for electromagnetic waves. This Standard referred to the
International Commission on Non-Ionizing Radiation Protection (ICNIRP)
"Guidelines for Exposure to Time-varying Electric Fields, Magnetic Fields and
Electromagnetic Fields (300 GHz and below), 1998”, and “IEEE standard of
0~3 kHz electromagnetic field safety level" of the Institute of Electrical and
Electronics Engineers (IEEE). It also considered the practice of
electromagnetic environment protection in China. As long as the limits of this
Standard are met, it encourages the electric field, magnetic field,
electromagnetic field facilities (equipment) owners to follow the precautionary
principle, actively take effective measures and reduce public exposure.
This Standard specifies the field limits, evaluation methods and relevant
facilities (equipment) exemptions of electric field, magnetic field,
electromagnetic field (1Hz ~ 300GHz) of controlling public exposure in the
electromagnetic environment.
This Standard was first issued in 1988.This is the first revision.
The main content of this revision are as follows.
- added the public exposure controlling limits for the electric field and
magnetic field in the 1 Hz to 100 kHz band;
- deleted the occupational exposure limits;
- deleted the administrative content requirements;
- adjusted the monitoring requirements;
- supplemented the scope of the exchange of power transmission
facilities.
Since the implementation of this Standard, GB 8702-88 Electromagnetic
radiation protection regulations and GB 9175-88 Environmental health
standards for electromagnetic waves are repealed simultaneously.
This Standard were proposed by Environmental Protection Department of
Science and Technology Standards Division, Department of Radiation Safety
Supervision Division.
The drafting organization of this Standard. Environmental Protection
Department of Radiation Environmental Monitoring Technology Center.
This Standard was approved on September 8, 2014 by Ministry of
Environmental Protection.
This Standard shall be implemented since January 1, 2015.
This Standard shall be interpreted by Ministry of Environmental Protection.
Controlling limits for electromagnetic environment
1 Scope
This Standard specifies the field limits, evaluation methods and relevant
facilities (equipment) exemptions of electric field, magnetic field,
electromagnetic field (1Hz ~ 300GHz) of controlling public exposure in the
electromagnetic environment.
This Standard is applicable to the evaluation and management of controlling
public exposure in the electromagnetic environment.
This Standard is NOT applicable to the evaluation and management of
controlling patients or escort personnel exposure to treatment or diagnosis; is
NOT applicable to the evaluation and management of controlling exposures
of wireless communication terminal, household appliances to users. It cannot
be used as product quality requirements for facilities (equipment) that
generate electric field, magnetic field, electromagnetic field.
2 Normative references
This Standard refers to the following documents or the terms thereof. For
undated references, the latest edition of the referenced document applies.
HJ 681, Electromagnetic environmental monitoring method for AC electric
power transmission and distribution project (on trial)
HJ/T 10.2, Guideline on management of radioactive environmental
Protection electromagnetic radiation monitoring Instruments and Methods
Environmental Monitoring Management Measures (State Environmental
Protection Administration Decree No. 39)
3 Terms and definitions
The following terms and definitions apply to this Standard.
3.1 electromagnetic environment
the sum of all electromagnetic phenomena present at a given place
3.2 public exposure
all public electric field, magnetic field, electromagnetic field exposure,
excluding occupational exposure and medical exposure
3.5 electromagnetic field
the field of electrical and magnetic states determined by four related vectors
of electric field strength, electric flux density, magnetic field strength,
magnetic induction strength, and characterized by the current density and
body charge density
3.6 electric field strength
the force of the vector field E, whose force acting on the stationary charged
particles is equal to the product of E and the charge of the particles, in volts
per meter (V/m)
4 Limits and evaluation methods
4.1 Public exposure controlling limits
For the public exposure caused by controlling electric field, magnetic field,
electromagnetic field, the root mean values of electric field, magnetic field and
electromagnetic field parameters in environment shall meet requirements of
Table 1.
4.2 Evaluation methods
When the public exposure is in the electric field, magnetic field,
electromagnetic field of multiple frequencies, it shall consider the exposure
caused by the electric field, magnetic field, electromagnetic field of multiple
frequencies, so as to meet the following requirements.
5 Exemption range
From the perspective of electromagnetic environmental protection
management, the following facilities (equipment) that generate electric field,
magnetic field and electromagnetic field shall be exempt from management.
6 Monitoring
The monitoring of electromagnetic environment shall be carried out in
accordance with the National Environmental Monitoring Regulations, HJ/T
10.2 and HJ 681 and other national environmental monitoring regulations
formulated by the Environmental Protection Administration of the State
Council.
......
Source: Above contents are excerpted from the full-copy PDF -- translated/reviewed by: www.ChineseStandard.net / Wayne Zheng et al.
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