越南废水国家标准.docx

越南废水国家标准.docx

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越南废水国家标准

越南废水国家标准

SOCIALISTREPUBLICOFVIETNAM

QCVN24:

2009/BTNMT

NationalTechnicalRegulationonIndustrialWastewater

HÀNỘI-2009

Foreword

QCVN24:

2009/BTNMTwascompliedbyDraftingCommitteeofnationaltechnicalregulationsonwaterquality,submittedbyVietnamEnvironmentAdministrationandDepartmentofLegislationandpromulgatedinlinewithCircularNo.25/2009/TT-BTNMTdatedNovember16,2009issuedbyMinistryofNaturalResourceandEnvironment

NationalTechnicalRegulationonIndustrialWastewater

1.GENERALPROVISIONS

1.1.Scopeofregulation

Thisregulationprovidesformaximumallowablevaluesofpollutionparametersinindustrialwastewaterdischargedintoreceivingfacilities

1.2.Subjectsofapplication

1.2.1.Thisregulationappliestoindividualsandorganizationscarryingoutactivitiesrelatedtothedischargeofindustrialwastewaterintoreceivingfacilities

1.2.2.Wastewaterofsomeindustriesandfieldofparticularactivitiesshallberegulatedseparately

1.3.Interpretationofterms

Inthisregulation,thetermsbelowareconstruedasfollows

1.3.1.Industrialwastewatermeanssolutiondischargedfromindustrialmanufacturing,processing,tradingandservicingpremisesintowastewater-receivingfacilities

1.3.2.Kqmeansdischargecoefficient/volumetriccapacityofthereceivingfacilitiescorrespondingtoflowdischargeofriver,stream,spring,canal,channel,streamlet,rilletandvolumetriccapacityofreservoir,lake,pondandswamp

1.3.3.Kfdischargecoefficientofwastewater-dischargingsourcesofindustrialmanufacturing,processing,tradingandservicingpremisesintowastewater-receivingfacilities

1.3.4.wastewater-receivingfacilitiesmeanssurfacewaterbodiesorcoastalwaterareasusedwithparticularandspecificpurposewhereindustrialwastewaterisdischargedinto

1.TECHNICALREGULATION

2.1.Theallowablemaximumvalueofpollutionparametersinindustrialwastewateriscalculatedasfollows:

Cmax=CxKqxKf

where:

-Cmaxisallowablemaximumvalueofthepollutionparameterinindustrialwastewaterdischargedintoreceivingfacilities,measuredinmilligramperliter（mg/l）;

-Cisvalueofpollutionparameterinindustrialwastewaterstipulatedatsection2.3

-Kqisdischargecoefficient/volumetriccapacityofthereceivingfacilitiesstipulatedatsection2.4

-Kfisdischargecoefficientofwastewatersourcestipulatedatsection2.5

2.2.Cmax=C（withoutcoefficientofKqandKf）isappliedtoparameters:

temperature,pH,odour,colour,Coliform,Grossαactivityandgrossβactivity

2.3.TheCValueofpollutionparametersinindustrialwastewaterisstipulatedatthetableNo.1below:

Table1:

TheCValueofpollutionparametersinindustrialwastewater

O.No

Parameter

Unit

CValue

A

B

1

Temperature

0C

40

40

2

pH

-

6-9

5,5-9

3

Odour气味

-

Khôngkhóchịu

Khôngkhó

chịu

4

Colour（Co-PtatpH=7）色度

-

20

70

5

BOD5（200C）

mg/l

30

50

6

COD

mg/l

50

100

7

Suspendedsolids悬浮物

mg/l

50

100

8

Arsenic砷

mg/l

0,05

0,1

9

Mercury汞

mg/l

0,005

0,01

10

Lead铅

mg/l

0,1

0,5

11

Cadimium镉

mg/l

0,005

0,01

12

Chromium（VI）六价铬

mg/l

0,05

0,1

13

Chromium（III）三价铬

mg/l

0,2

1

14

Cooper

mg/l

2

2

15

Zinc锌

mg/l

3

3

16

Nickel镍

mg/l

0,2

0,5

17

Manganese锰

mg/l

0,5

1

18

Iron铁

mg/l

1

5

19

Tin锡

mg/l

0,2

1

20

Cyanide氰化物

mg/l

0,07

0,1

21

Phenol酚

mg/l

0,1

0,5

22

MineralOilandfat

mg/l

5

5

23

Animal-vegetableoilandfat

mg/l

10

20

24

Chlroineresidual

mg/l

1

2

25

PCBs

mg/l

0,003

0,01

26

Pesticide:

organicphosphrous

mg/l

0,3

1

27

Pesticide:

organicchlorine

mg/l

0,1

0,1

28

Sunfide

mg/l

0,2

0,5

29

Fluoride

mg/l

5

10

30

Chloride氯化物

mg/l

500

600

31

Ammonia（asN）

mg/l

5

10

32

TotalNitrogen

mg/l

15

30

33

TotalPhosphorous

mg/l

4

6

34

Coliform

MPN/100ml

3000

5000

35

Grossαactivity

Bq/l

0,1

0,1

36

Grossβactivity

Bq/l

1,0

1,0

Where:

-ColumeAstipulatesvalueCofpollutionparameterinindustrialwastewaterdischargedintoreceivingfacilitiesusingforsourcesofdomesticwatersupply

-ColumeBstipulatsvalueCofpollutionparameterinindustrialwastewaterdischargedintoreceivingfacilitiesnotusingforsourcesofdomesticwatersupply

-Parameterofchlorineshallnotbeappliedtoreceivingfacilitieswhicharebrackishandsaltwater

2.4.Dischargecoefficient/volumetriccapacityofreceivingfacilitiesKqisstipluatedasfollows

2.4.1.CoefficientKqcorrespondingtoflowdischargeofreceivingfacilitieswhichsareriver,stream,spring,canal,channel,streamlet,rilletisstipulatedatthetableNo.2below:

Table2:

CoefficientKqofreceivingfacilitieswhichsareriver,stream,spring,canal,channel,streamlet,rillet

Flowdischargeofwatewater-receivingfacilities（Q）

Calculatedunit:

cubicmeter/second（m3/s）

CoefficientKq

Q≤50

0,9

50

1

200

1,1

Q>1000

1,2

Qiscalculatedinaveragevalueofflowdischargeofriver,stream,spring,canal,channel,streamlet,rilletduring03driestmonthsof03successiveyears（dataissuedbymeteorological-hydrologicalagency）.Ifthereisnodataonflowdischargeofriver,stream,spring,canal,channel,streamlet,rilletthevalueKq=0,9shallbeappliedorDepartmentofNaturalResourceandEnvironmentmanagingareaswherewastewater-dischargingsourcesarelocatedshallappointaunitwithappropriatefunctiontodefineaveragedischargeduring03driestofyearforthebasisofselectingcoefficientKq

2.4.2.CoefficientKqcorrespondingtovolumetriccapacityofwastewaterreceivingfacilitieswhicharereservoir,lake,pondandswampisstipulatedatthetableNo.3below:

Table3:

CoefficientKqofreservoir,lake,pond,swamp

Volumetriccapacityofwastewaterreceivingfacilities（V）

Calculatedunit:

cubicmeter（m3）

CoefficientKq

V≤10x106

0,6

10x106

0,8

V>100x106

1,0

Qiscalculatedinaveragevalueofvolumetriccapacityofeservoir,lake,pondandswampduring03driestmonthsof03successiveyears（dataissuedbymeteorological-hydrologicalagency）.IfthereisnodataonvolumetriccapacitythevalueKq=0,6shallbeappliedorDepartmentofNaturalResourceandEnvironmentmanagingareaswherewastewater-dischargingsourcesarelocatedshallappointaunitwithappropriatefunctiontodefineaveragevalueofvolumetriccapacityduring03driestofyearforthebasisofdefiningcoefficientKq

2.4.3.Regaringthereceivingfacilitieswhicharecoastalareasnotusingforthepurposeofaquaticorganismprotection,watersportorrecreation,Kq=1,3shallbeapplied.Regaringthereceivingfacilitieswhicharecoastalareasusingforthepurposeofaquaticorganismprotection,watersportorrecreation,Kq=1,3shallbeapplied

2.5.DischargecoefficientKfofwastewaterdischargingsourcesisstipulatedatthetableNo.4below

Bảng4:

DischargecoefficientKfofwastewaterdischargingsources

Dischargeofwastewaterdischargingsourcesi（F）

Calculatedunit:

cubicmeter/day（m3/24h）

CoefficientKf

F≤50

1,2

50

1,1

500

1,0

F>5.000

0,9

2.6.Inthecasethatwastewaterstoredindumpingpondwithinareaofwastewater-creatingpremisesandusedforthepurposeofirrigation,thewaterinthepondmustcomplywiththeNationalStandardTCVN6773:

2000onWaterquality–waterqualityguidelinesforirrigation

3.METHODOFDETERMINATION

3.1.Methodfordefinitionofpollutionparametersinindustrialwastewatershallbecarriedoutinaccordancewithnationalstandardsbelow:

-TCVN4557:

1988–Waterquality–Methodfordeterminationoftemperature;

-TCVN6492:

1999（ISO10523:

1994）Waterquality-determinationofpH;

-TCVN6185:

2008–Waterquality–Examinationanddeterminationofcolour;

-TCVN6001-1:

2008Waterquality.Determinationofbiochemicaloxygendemandafterndays（BODn）.Part1:

Dilutionandseedingmethodwithallylthioureaaddition

-TCVN6491:

1999（ISO6060:

1989）Waterquality.Determinationofthechemicaloxigendemand（COD）;

-TCVN6625:

2000（ISO11923:

1997）Waterquality-Determinationofsuspendedsolidsbyfiltrationthroughglass-fibrefilters;

-TCVN6626:

2000Waterquality-Determinationofarsenic-Atomicabsorptionspectrometricmethod（hydridetechnique;

-TCVN7877:

2008（ISO5666-1999）Waterquality.Determinationofmecury;

-TCVN6193:

1996Waterquality.Determinationofcobaltnickel,copper,zinc,cadmium,andlead.Flameatomicabsorptionspectrometricmethods;

-TCVN6002:

1995（ISO6333-1986）Waterquality-Determinationofmanganese-Formaldoximespectrometricmethod;

-TCVN6222:

2008Waterquality.Determinationofchromium.Atomicabsorptionspectrometricmethods;

-TCVN6177:

1996（ISO6332-1988）Waterquality-DeterminationofIron–.Spectrometricmethodusing.1,10-phenantrolin;

-TCVN6181:

1996（ISO6703-1-1984）Waterquality-Determinationoftotalcyanide;

-TCVN6216:

1996（ISO6439-1990）Waterquality.Determinationofphenolindex.4-aminoantipyrinespectrometricmethodsafterdistillation;

-TCVN5070:

1995Waterquality-Weightmethodfordeterminationofoilandoilproduct;

-MethodfordeterminationoftotalvegetableoilandfatcarriedoyutaccordingtoUSEPAMethod1664Extractionandgravimetry（Oilandgreaseandtotalpetroleumhydrocarbons）;

-TCVN6225-3:

1996Waterquality.Determinationoffreechlorineandtotalchlorine.Part3:

Iodometrictitrationmethodforthedeterminationoftotalchlorine;

-TCVN4567:

1988Waterquality–Methodfordeterminationofsuldideandsulfatecontent;

-TCVN6494:

1999Waterquality--Determinationofdissolvedfluoride,chloride,nitrite,orthophosphate,b