DB12/ 356-2018 English PDF (DB12356-2018)

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DB12/ 356-2018: Integrated Wastewater Discharge Standard
DB12/ 356-2018
DB12
LOCAL STANDARD OF TIANJIN
ICS 13.060.30
Z 60
Replacing DB12/ 356-2008
Integrated wastewater discharge standard
ISSUED ON. JANUARY 30, 2018
IMPLEMENTED ON. FEBRUARY 01, 2018
Issued by. Tianjin Environmental Protection Bureau;
Market and Quality Supervision Management Committee of
Tianjin.
Table of Contents
Foreword ... 3 
1 Scope ... 4 
2 Normative references ... 4 
3 Terms and definitions ... 10 
4 Standard grading ... 11 
5 Requirements for pollutant-discharge control... 12 
6 Pollutant monitoring requirements ... 16 
7 Implementation and supervision ... 22 
Integrated wastewater discharge standard
1 Application scope
This standard specifies the terms and definitions of water pollutant discharge,
standard grading, pollutant discharge control requirements, pollutant
monitoring requirements, implementation and supervision.
This standard is applicable to the discharge management of water pollutants in
the existing pollutant discharge units [Translator note. “unit” refers to an
organization/entity] of Tianjin, as well as the environmental impact assessment
of construction projects, the design of environmental protection facilities of
construction projects, the completion acceptance, the discharge management
after commissioning.
This standard applies to the discharge of water pollutants permitted by law. The
location of newly-established pollution sources and the management of existing
sources in special protection areas shall be in accordance with the Laws of the
People's Republic of China on the Prevention and Control of Water Pollution,
the Law of the People's Republic of China on Marine Environmental Protection,
the Law of the People's Republic of China on Environmental Impact
Assessment, as well as other laws, regulations and provisions.
In accordance with the principle that the integrated discharge standards and
industrial discharge standards are not cross-executed, where there are national
or local industry water pollutant discharge standards, it shall implement the
corresponding industrial water pollutant discharge standards in accordance
with their scope of application. For other pollutant-discharge units, the water
pollutant-discharge units shall implement this standard.
The water pollutant-discharge control requirements as specified in this standard
are applicable to the discharge of water pollutants directly or indirectly by the
pollutant-discharge unit outside its legal boundary.
2 Normative references
The following documents are essential to the application of this document. For
the dated documents, only the versions with the dates indicated are applicable
to this document; for the undated documents, only the latest version (including
all the amendments) are applicable to this standard.
GB 6920 Water quality - determination of pH value - Glass electrode method
GB 7466 Water quality - Determination of total chromium
GB 7467 Water quality - Determination of chromium (6) - 1.5
Diphenylcarbahydrazide spectrophotometric method
GB 7475 Water quality - Determination of copper, zinc, lead and cadmium -
Atomic absorption spectrometry
GB 7484 Water quality - Determination of fluoride - Ion selective electrode
method
GB 7485 Water quality - Determination of total arsenic - Silver
diethyldithiocarbamate spectrophotometric method
GB 7494 Water quality - Determination of anionic surfactants - Methylene
blue spectrophotometric method
GB 8978 Integrated wastewater discharge standard
GB 11889 Water quality - Determination of aniline compounds-
Spectrophotometric method with N-(1-naphthyl) ethylenediamine azo
GB 11890 Water quality - Determination of benzene and its analogies gas
chromatographic method
GB 11893 Water quality - Determination of total phosphorus - Ammonium
molybdate spectrophotometric method
GB 11901 Water quality - Determination of suspended substance -
Gravimetric method
GB 11902 Water quality - Determination of selenium - Diaminonaphthalene
fluorometric method
GB 11903 Water quality - Determination of colority
GB 11907 Water quality - Determination of silver - Flame atomic absorption
spectrophotometric method
GB 11911 Water quality - Determination of iron and manganese - Flame
atomic absorption spectrometric method
GB 11912 Water quality - Determination of nickel - Flame atomic absorption
spectrometric method
GB 13192 Water quality - Determination of organic phosphorous pesticide
in water - Gas chromatography
GB/T 14204 Water quality - Determination of alkylmercury - Gas
zymotechnics and filter membrane
HJ/T 399 Water quality - Determination of the chemical oxygen demand -
Fast digestion spectrophotometric method
HJ 478 Water quality - Determination of polycyclic aromatic hydrocarbons
by liquid-liquid extraction and solid-phase extraction high performance liquid
chromatography
HJ 484 Water quality - Determination of cyanide volumetric and
spectrophotometry method
HJ 488 Water quality - Determination of Fluoride - Fluorine reagents
spectrophotometry
HJ 501 Water quality - Determination of total organic carbon - Combustion
oxidation nondispersive infrared absorption method
HJ 503 Water quality - Determination of volatile phenolic compounds - 4-
AAP spectrophotometric method
HJ 505 Water quality - Determination of biochemical oxygen demand after 5
days (BOD5) - Dilution and seeding method
HJ 535 Water quality - Determination of ammonia nitrogen - Nesslers
reagent spectrophotometry
HJ 536 Water quality - Determination of ammonia nitrogen - Salicylic acid
spectrophotometry
HJ 537 Water quality - Determination of ammonia nitrogen - Distillation-
neutralization titration
HJ 585 Water quality - Determination of free chlorine and total chlorine -
Titrimetric method using N,N-diethyl-1,4-phenylenediamine
HJ 586 Water quality - Determination of free chlorine and total chlorine -
Spectrophotometric method N,N-diethyl-1,4-phenylenediamine
HJ 591 Water quality - Determination of Pentachlorophenol by Gas
Chromatography
HJ 592 Water quality - Determination of nitrobenzene-compounds by Gas
chromatography
HJ 593 Water quality - Determination of phosphorus - Phosphomolybdenum
blue spectrophotometric method
HJ 594 Water quality - Determination of the total amount of the developing
HJ 671 Water quality - Determination of total phosphorus - Flow injection
analysis (FIA) and ammonium molybdate spectrophotometry
HJ 676 Water quality - Determination of phenolic compounds - Liquid-liquid
extraction gas chromatography
HJ 686 Water quality - Determination of volatile organic compounds - Purge
and trap/gas chromatography
HJ 694 Water quality - Determination of mercury, arsenic, selenium, bismuth
and antimony - Atomic fluorescence spectrometry
HJ 699 Water quality - Determination of organochlorine pesticides and
chlorobenzenes - Gas chromatography mass spectrometry
HJ 700 Water quality - Determination of 65 elements - Inductively coupled
plasma mass spectrometry
HJ 716 Water quality - Determination of nitroaromatics - Gas
chromatography mass spectrometry
HJ 744 Water quality - Determination of phenols compounds - Gas
chromatography mass spectrometry
HJ 755 Water quality - Determination of total coliforms and fecal coliforms -
Paper strip method
HJ 757 Water quality - Determination of chromium - Flame atomic absorption
spectrometry
HJ 776 Water quality - Determination...