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:

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,bromide,nitrateandsulfateions,usingliquidchromatographyofions-Methodforwaterwithlowcontamination

-TCVN5988:

1995（ISO5664-1984）Waterquality-Determinationofaminonium-Distillationandtitrationmethod;

-TCVN6638:

2000Waterquality-Determinationofnitrogen-Catalyticdigestionafterreductionwithdevarda'salloy;

-TCVN6187-1:

2009（ISO9308-1:

2000/Cor1:

2007）Waterquality.DetectionandenumerationofEscherichiacoliandcoliformbacteria.Part1:

Membranefiltrationmethod;

-TCVN6053:

1995Waterquality-Measurementofgrossalphaactivityinnon-salinewater-Thicksourcemethod;

-TCVN6219:

1995Caterquality-Measurementofgrossbetaactivityinnon-salinewater;

-TCVN6658:

2000Waterquality--Determinationofchromium（VI）--Spectrometricmethodusing1,5-diphenylcarbazide.

3.2.Whentherearestillnostandardfordeterminationofpollutionparametersinindustrialwastewaterstipulatedinthisregulation,internationalstandardwithaccuracybeingcorespondentorhighershallbeapplied.

4.ORGANIZATIONOFIMPLEMENTATION

4.1.ThistechinicalregulationsupersedestheapplicationofVietnamesestandardTCVN5945:

2005onIndustrialwastewater–DischargestandardenclosedwithDecisionNo.22/2006/QĐ-BTNMTofMinisterofNaturalResourceandEnvironmentdatedDecember18,2006oncompulsoryapplicationofVietnameseenvironmentalstandards

4.2.Stateenvironemntmanagementagenciestakeresponsibilityforguiding,inspectingandsupervisingtheimplementationofthistechnicalregulation.

4.3.Inthecasethatnationalstandardonmethodofdeterminationreferredtointhesection3.1areamended,supplementedorreplaced,thenewstandardshallbeapplied