最新越南废水国家标准

QCVN24:2022/BTNMTQCVN24:2022/BTNMTactivelycarryoutthelawoncivilairdefenseeducation,drawnoutoftheairdefenseinPingliangcityBuildingundereasyfare,dailyspecialinspectionandregulation,overfulfilledtheprovinceupperandlowerknotsofupto500,000yuanfeecollectiontasks.5,furtherstandardizeinternalmanagement,improvestaffquality.AdheretothePAGE10activelycarryoutthelawoncivilairdefenseeducation,drawnoutoftheairdefenseinPingliangcityBuildingundereasyfare,dailyspecialinspectionandregulation,overfulfilledtheprovinceupperandlowerknotsofupto500,000yuanfeecollectiontasks.5,furtherstandardizeinternalmanagement,improvestaffquality.AdheretothePAGE5activelycarryoutthelawoncivilairdefenseeducation,drawnoutoftheairdefenseinPingliangcityBuildingundereasyfare,dailyspecialinspectionandregulation,overfulfilledtheprovinceupperandlowerknotsofupto500,000yuanfeecollectiontasks.5,furtherstandardizeinternalmanagement,improvestaffquality.AdheretotheSOCIALISTREPUBLICOFVIETNAMQCVN24:2022/BTNMTNationalTechnicalRegulationonIndustrialWastewaterHÀNỘI-2022ForewordQCVN24:2022/BTNMTwascompliedbyDraftingCommitteeofnationaltechnicalregulationsonwaterquality,submittedbyVietnamEnvironmentAdministrationandDepartmentofLegislationandpromulgatedinlinewithCircularNo.25/2022/TT-BTNMTdatedNovember16,2022issuedbyMinistryofNaturalResourceandEnvironmentNationalTechnicalRegulationonIndustrialWastewater1.GENERALPROVISIONS1.1.ScopeofregulationThisregulationprovidesformaximumallowablevaluesofpollutionparametersinindustrialwastewaterdischargedintoreceivingfacilities1.2.Subjectsofapplication1.2.1.Thisregulationappliestoindividualsandorganizationscarryingoutactivitiesrelatedtothedischargeofindustrialwastewaterintoreceivingfacilities1.2.2.Wastewaterofsomeindustriesandfieldofparticularactivitiesshallberegulatedseparately1.3.InterpretationoftermsInthisregulation,thetermsbelowareconstruedasfollows1.3.1.Industrialwastewatermeanssolutiondischargedfromindustrialmanufacturing,processing,tradingandservicingpremisesintowastewater-receivingfacilities1.3.2.Kqmeansdischargecoefficient/volumetriccapacityofthereceivingfacilitiescorrespondingtoflowdischargeofriver,stream,spring,canal,channel,streamlet,rilletandvolumetriccapacityofreservoir,lake,pondandswamp1.3.3.Kfdischargecoefficientofwastewater-dischargingsourcesofindustrialmanufacturing,processing,tradingandservicingpremisesintowastewater-receivingfacilities1.3.4.wastewater-receivingfacilitiesmeanssurfacewaterbodiesorcoastalwaterareasusedwithparticularandspecificpurposewhereindustrialwastewaterisdischargedinto1.TECHNICALREGULATION2.1.Theallowablemaximumvalueofpollutionparametersinindustrialwastewateriscalculatedasfollows:Cmax=CxKqxKfwhere:-Cmaxisallowablemaximumvalueofthepollutionparameterinindustrialwastewaterdischargedintoreceivingfacilities,measuredinmilligramperliter(mg/l);-Cisvalueofpollutionparameterinindustrialwastewaterstipulatedatsection2.3-Kqisdischargecoefficient/volumetriccapacityofthereceivingfacilitiesstipulatedatsection2.4-Kfisdischargecoefficientofwastewatersourcestipulatedatsection2.52.2.Cmax=C(withoutcoefficientofKqandKf)isappliedtoparameters:temperature,pH,odour,colour,Coliform,Grossαactivityandgrossβactivity2.3.TheCValueofpollutionparametersinindustrialwastewaterisstipulatedatthetableNo.1below:Table1:TheCValueofpollutionparametersinindustrialwastewaterO.NoParameterUnitCValueAB1Temperature0C40402pH-6-95,5-93Odour气味-KhôngkhóchịuKhôngkhóchịu4Colour(Co-PtatpH=7)色度-20705BOD5(200C)mg/l30506CODmg/l501007Suspendedsolids悬浮物mg/l501008Arsenic砷mg/l0,050,19Mercury汞mg/l0,0050,0110Lead铅mg/l0,10,511Cadimium镉mg/l0,0050,0112Chromium(VI)六价铬mg/l0,050,113Chromium(III)三价铬mg/l0,2114Coopermg/l2215Zinc锌mg/l3316Nickel镍mg/l0,20,517Manganese锰mg/l0,5118Iron铁mg/l1519Tin锡mg/l0,2120Cyanide氰化物mg/l0,070,121Phenol酚mg/l0,10,522MineralOilandfatmg/l5523Animal-vegetableoilandfatmg/l102024Chlroineresidualmg/l1225PCBsmg/l0,0030,0126Pesticide:organicphosphrousmg/l0,3127Pesticide:organicchlorinemg/l0,10,128Sunfidemg/l0,20,529Fluoridemg/l51030Chloride氯化物mg/l50060031Ammonia(asN)mg/l51032TotalNitrogenmg/l153033TotalPhosphorousmg/l4634ColiformMPN/100ml3000500035GrossαactivityBq/l0,10,136GrossβactivityBq/l1,01,0Where:-ColumeAstipulatesvalueCofpollutionparameterinindustrialwastewaterdischargedintoreceivingfacilitiesusingforsourcesofdomesticwatersupply-ColumeBstipulatsvalueCofpollutionparameterinindustrialwastewaterdischargedintoreceivingfacilitiesnotusingforsourcesofdomesticwatersupply-Parameterofchlorineshallnotbeappliedtoreceivingfacilitieswhicharebrackishandsaltwater2.4.Dischargecoefficient/volumetriccapacityofreceivingfacilitiesKqisstipluatedasfollows2.4.1.CoefficientKqcorrespondingtoflowdischargeofreceivingfacilitieswhichsareriver,stream,spring,canal,channel,streamlet,rilletisstipulatedatthetableNo.2below:Table2:CoefficientKqofreceivingfacilitieswhichsareriver,stream,spring,canal,channel,streamlet,rilletFlowdischargeofwatewater-receivingfacilities(Q)Calculatedunit:cubicmeter/second(m3/s)CoefficientKqQ500,95010001,2Qiscalculatedinaveragevalueofflowdischargeofriver,stream,spring,canal,channel,streamlet,rilletduring03driestmonthsof03successiveyears(dataissuedbymeteorological-hydrologicalagency).Ifthereisnodataonflowdischargeofriver,stream,spring,canal,channel,streamlet,rilletthevalueKq=0,9shallbeappliedorDepartmentofNaturalResourceandEnvironmentmanagingareaswherewastewater-dischargingsourcesarelocatedshallappointaunitwithappropriatefunctiontodefineaveragedischargeduring03driestofyearforthebasisofselectingcoefficientKq2.4.2.CoefficientKqcorrespondingtovolumetriccapacityofwastewaterreceivingfacilitieswhicharereservoir,lake,pondandswampisstipulatedatthetableNo.3below:Table3:CoefficientKqofreservoir,lake,pond,swampVolumetriccapacityofwastewaterreceivingfacilities(V)Calculatedunit:cubicmeter(m3)CoefficientKqV≤10x1060,610x106100x1061,0Qiscalculatedinaveragevalueofvolumetriccapacityofeservoir,lake,pondandswampduring03driestmonthsof03successiveyears(dataissuedbymeteorological-hydrologicalagency).IfthereisnodataonvolumetriccapacitythevalueKq=0,6shallbeappliedorDepartmentofNaturalResourceandEnvironmentmanagingareaswherewastewater-dischargingsourcesarelocatedshallappointaunitwithappropriatefunctiontodefineaveragevalueofvolumetriccapacityduring03driestofyearforthebasisofdefiningcoefficientKq2.4.3.Regaringthereceivingfacilitieswhicharecoastalareasnotusingforthepurposeofaquaticorganismprotection,watersportorrecreation,Kq=1,3shallbeapplied.Regaringthereceivingfacilitieswhicharecoastalareasusingforthepurposeofaquaticorganismprotection,watersportorrecreation,Kq=1,3shallbeapplied2.5.DischargecoefficientKfofwastewaterdischargingsourcesisstipulatedatthetableNo.4belowBảng4:DischargecoefficientKfofwastewaterdischargingsourcesDischargeofwastewaterdischargingsourcesi(F)Calculatedunit:cubicmeter/day(m3/24h)CoefficientKfF≤501,2505.0000,92.6.Inthecasethatwastewaterstoredindumpingpondwithinareaofwastewater-creatingpremisesandusedforthepurposeofirrigation,thewaterinthepondmustcomplywiththeNationalStandardTCVN6773:2000onWaterquality–waterqualityguidelinesforirrigation3.METHODOFDETERMINATION3.1.Methodfordefinitionofpollutionparametersinindustrialwastewatershallbecarriedoutinaccordancewithnationalstandardsbelow:-TCVN4557:1988–Waterquality–Methodfordeterminationoftemperature;-TCVN6492:1999(ISO10523:1994)Waterquality-determinationofpH;-TCVN6185:2022–Waterquality–Examinationanddeterminationofcolour;-TCVN6001-1:2022Waterquality.Determinationofbiochemicaloxygendemandafterndays(BODn).Part1:Dilutionandseedingmethodwithallylthioureaaddition-TCVN6491:1999(ISO6060:1989)Waterquality.Determinationofthechemicaloxigendemand(COD);-TCVN6625:2000(ISO11923:1997)Waterquality-Determinationofsuspendedsolidsbyfiltrationthroughglass-fibrefilters;-TCVN6626:2000Waterquality-Determinationofarsenic-Atomicabsorptionspectrometricmethod(hydridetechnique;-TCVN7877:2022(ISO5666-1999)Waterquality.Determinationofmecury;-TCVN6193:1996Waterquality.Determinationofcobaltnickel,copper,zinc,cadmium,andlead.Flameatomicabsorptionspectrometricmethods;-TCVN6002:1995(ISO6333-1986)Waterquality-Determinationofmanganese-Formaldoximespectrometricmethod;-TCVN6222:2022Waterquality.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;-TCVN6187-1:2022(ISO9308-1:2000/Cor1:2022)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.ORGANIZATIONOFIMPLEMENTATION4.1.ThistechinicalregulationsupersedestheapplicationofVietnamesestandardTCVN5945:2022onIndustrialwastewater–DischargestandardenclosedwithDecisionNo.22/2022/QĐ-BTNMTofMinisterofNaturalResourceandEnvironmentdatedDecember18,2022oncompulsoryapplicationofVietnameseenvironmentalstandards4.2.Stateenvironemntmanagementagenciestakeresponsibilityforguiding,inspectingandsupervisingtheimplementationofthistechnicalregulation.4.3.Inthecasethatnationalstandardonmethodofdeterminationreferredtointhesection3.1areamended,supplementedorreplaced,thenewstandardshallbeapplied