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GB 8978-1996 (GB8978-1996)

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GB 8978-1996: PDF in English
GB 8978-1996
GB
NATIONAL STANDARD
OF THE PEOPLE’S REPUBLIC OF CHINA
ICS 13.030.20
Z 60
Integrated wastewater discharge standard
ISSUED ON. OCTOBER 04, 1996
IMPLEMENTED ON. JANUARY 01, 1998
Issued by. National Environmental Protection Bureau;
State Technology Supervision Bureau.
3. No action is required - Full-copy of this standard will be automatically &
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Table of Contents
Foreword ... 3 
1 Main content and scope of application ... 5 
2 References ... 6 
3 Definitions ... 6 
4 Technical content ... 6 
5 Monitoring ... 17 
6 Supervision of standard implementation ... 20 
Appendix A (Standard appendix) ... 21 
Appendix B (Standard appendix) ... 22 
Appendix C (Standard appendix) ... 23 
Appendix D (Standard appendix) ... 24 
Foreword
This standard is the revision of GB 8978-88 “Integrated wastewater discharge
standard”.
The main contents of the amendment are as follows. to put forward the
year-limitation standard, AND use the year-limitation to replace the
classification between the current enterprises and the newly
reconstructed-expanded enterprises in the original standard. It divides into two
time-sections using the date of implementation of this standard as a
year-limitation. The enterprises that are built before December 31, 1997 shall
follow the standard values as specified in the first time-section; AND the
enterprises that are built after January 1, 1998 shall follow the standard values
as specified in the second time-section.
In the scope of application of the standard, it defines that the integrated
discharge standard and the industrial discharge standards are not followed at
the same time. The wastewater discharge by the paper making industry,
shipping, shipping industry, marine petroleum development industry, textile
dyeing industry, meat product industry, synthetic ammonia industry, iron and
steel industry, utilization of aviation propellants, weapon industry, phosphate
fertilizer industry, caustic soda and polyvinyl chloride industry is subjected to
the relevant national industrial standards. All the other enterprises that
discharge wastewater are subjected to this standard. Except for the 12
industries aforementioned, the following released 17 industrial water pollutant
discharge standards are included into this revision.
As compared with the original standard, in this standard, the standard values in
the first time-section are basically maintained at the newly reconstructed and
extended level of the original standard. In order to control the characteristic
pollutants and other toxic and hazardous pollutants in the 17 industrial water
pollutant discharge standards which had been included into this revision, it
increases 10 control items; AND in the second time-section, it increases 40
control items as compared with the original standard, AND the maximum
allowable discharge concentration of such items as COD and BOD5 are more
stringent to some extent.
The standard, from the date of entry into force, replaces GB 8978-88, AND it
replaces the following standards at the same time.
GBJ 48- 83 Hospital wastewater discharge standard (Trial)
GB 4645-83 Beet sugar industrial water pollutant discharge standard
GB 3546-83 Cane sugar industrial water pollutant discharge standard
GB 3547-83 Synthetic fatty acid industrial pollutant discharge standard
GB 3548-83 Synthetic detergent industrial pollutant discharge standard
NATIONAL STANDARD OF THE PEOPLE’S REPUBLIC OF CHINA
Integrated wastewater discharge standard
Replacing GB 8978-88
This standard was established to implement the Environmental Protection Law
of People’s Republic of China, the Water Pollutant Prevention and Control Law
of People’s Republic of China, and the Marine Environmental Protection Law
of People’s Republic of China, to control water pollution, protect surface water
in rivers, lakes, canals, channels, reservoirs, and the sea, protect the quality of
groundwater, safeguard the people’s health, ensure ecological balance, AND
promote the development of the national economy and rural and urban
construction.
1 Main content and scope of application
1.1 Main content
This standard specifies the maximum allowable discharge concentration of the
69 water pollutants AND the maximum allowable discharge amount of some
industries based on a fixed year-limitation, in accordance with the discharge
direction of the wastewater.
1.2 Scope of application
This standard applies to the water pollutant discharge management of the
current enterprises, the environmental impact assessment of the construction
projects, AND the environmental protection facility design, completion
acceptance, and the discharge management after putting into operation of the
construction projects.
In accordance with the principles that the Integrated wastewater discharge
standard and the national industrial discharge standards shall not apply
concurrently, the paper making industry is subjected to the Paper making
industrial water pollutant discharge standard (GB 3544-92); the shipping is
subjected to the Shipping pollutant discharge standard (GB 3552-83); the
marine industry is subjected to the Marine industrial pollutant discharge
standard (GB 4286-84); the marine petroleum development industry is
subjected to the Marine petroleum development oil bearing industrial
wastewater discharge standard (GB 4914-85); the textile dyeing industry is
subjected to the Textile dyeing industrial water pollutant discharge standard
(GB 4287-92); the meat product industry is subjected to the Meat product
industrial water pollutant discharge standard (GB 13457-92); the synthetic
ammonia industry is subjected to the Synthetic ammonia industrial water
4.1.1 The wastewater which is discharged into the category III water area of
GB 3838 (except for the protected areas and the swimming areas as indicated)
AND which is discharged into the category II marine area of GB 3097 shall
follow the class 1 standards.
4.1.2 The wastewater which is discharged into the category IV and V water
area of GB 3838 AND which is discharged into the category III marine area of
GB 3097 shall follow the class 2 standards.
4.1.3 The wastewater which is discharged into the urban drainage system
having the secondary wastewater treatment plant shall follow the class 3
standard.
4.1.4 The wastewater which is discharged into urban drainage systems having
no secondary wastewater treatment plant shall follow the requirements of
clause 4.1.1 and 4.1.2, respectively, in accordance with the functional
requirements of the discharge system water receiving area.
4.1.5 In the protected area as indicated in the category I and II water area and
the category III water area in GB 3838 AND the category I marine area in GB
3097, it is prohibited to build new pollutant discharge outlet. The current
pollutant discharge outlet shall, in accordance with the water body functional
requirements, be subjected to the total pollutant amount control, in order to
ensure that the receiving water body complies with the water quality standard
of the specified purposes.
4.2 Standard values
4.2.1 In this standard, the pollutants discharged are divided into two categories
based on their nature and control method.
4.2.1.1 Category I pollutant. it is sampled at the workshop or workshop
treatment facility discharge outlet regardless of the industries and wastewater
discharge method, or the functional category of the receiving water body, AND
its maximum allowable discharge concentration must reach to the
requirements of this standard (the tailing dam water outlet of the mining
industry shall not be considered as the workshop discharge outlet).
4.2.1.2 Category II pollutant. it is sampled at the pollutant
discharge-enterprise’s discharge outlet, AND its maximum allowable discharge
concentration must reach to the requirements of this standard.
4.2.2 In this standard, it specifies the maximum allowable discharge
concentration of the category I pollutant and the category II pollutant AND the
maximum allowable water discharge amount of some industries, which are
respectively.
4.2.2.1 As for the enterprises which are built (including reconstructed and
extended) before December 31, 1997, the discharge of the water pollutant
must follow simultaneously the requirements of Table 1, Table 4, and Table 5.
Table 2 -- Maximum allowable discharge concentration for category II
pollutants (for the enterprises constructed before December 31, 1997)
Unit. mg/L
No. Pollutants Scope of application Class 1 standard
Class 2
standard
Class 3
standard
1 pH All discharge-enterprises 6 ~ 9 6 ~ 9 6 ~ 9
2 Color (dilution ratio) Dyeing industry 50 180 - Other discharge-enterprises 50 80 -
3 Suspended solids (SS)
Mining, ore dressing, co...
......
(Above excerpt was released on 2017-09-02, modified on 2021-06-07, translated/reviewed by: Wayne Zheng et al.)
Source: https://www.chinesestandard.net/PDF.aspx/GB8978-1996