Dŵr uwchfioleddisinfectionofdrinking
Waterobtainedfromnaturalsourcessuchasdams, nentydd, boresandrainwatertanksmaycontainmicroorganismsthatcanposearisktoyourhealth.TheDepartmentofHealthrecommendsthatallnaturallysourcedwatershouldbeprofessionallytestedandtreatedbeforeitisusedfordrinking, ymolchi, fillingswimmingandpaddlingpools, foodpreparationorcooking.Anumberofwatertreatmentsystemscanbeusedtoremovemicrobiologicalcontaminantsthatmaycauseillness.UltraViolet (UV) lightdisinfectionisonewatertreatmentsystemthatcanbeusedtoremovemostformsofmicrobiologicalcontaminationfromwater.
WhatisUVlight? UVlightispartofnaturalsunlight.ItcannotbeseenasUVlightisbetweenvisiblelightandx-ray.
HowdoesUVlightkillmicroorganisms? PanUVlightentersamicroorganismitsenergywilldamagethemicroorganism'scellularfunctionsothatitwillnotbeabletogrow.
IsUVlighteffectiveagainstallmicroorganisms? Ie.UVlightisnormallyeffectiveagainstallviruses, bacteriaandprotozoa.
A ywUVlightworkinallwaterconditions? No.UVlightwillonlytravelinastraightlinesoanyshadoworobstructionwillreduceitsefficiency.Waterthatisnotfilteredcancontainiron, manganeseandotherparticlesthatcaneitherabsorborscatterUVlightreducingtheeffectivenessofthedisinfectionsystem.Microorganismttrestroferegreatrofereg
A ddylaiIfiltermywaterbeforeUVlightdisinfection? Ie.ItisimportanttofilterwaterbeforetreatmentwithaUVlighttomakesurethatallsuspendedparticlesareremoved.UVlightisnotafiltersomicroorganismsandsuspendedmatterwillnotberemovedfromthetreatedwater.
Beth sy'n digwydd yn yr elfen drydanol?
Isdisinfectionmaintainedthroughoutthewatersupplysystem? Na, UVlightdisinfectionsystemswillonlydisinfectwateratthepointofcontact.AssoonaswaterleavestheUVlightdisinfectionsystemrecontaminationfrombackflow, breakandbiofilms (llysnafeddog).
A ddylaiIcleanthepipesystemdownstreamfromaUVwatertreatmentunit? Ie, goramserabiofilm (orslime) maygrowinawatersupplysystemtreatedwithUVlight.Thismayrequireoccasionaltreatmentwithchlorinetoremoveanybiofilmwithinthepipes.Toremovebiofilmsfallpallpallchallpallpallpallchallpallchallpallpallpallchallpallpallchallpallchallpallchallpallchallpallpallpallchallpallpallchallpallchallpallchallpallchallpallchallpallcallcallwallpallchallcallwallpallpallcallcallofallpallcallcallcallcallcallitallcallcallitallcallitallcallitallcallloflurhecofoloflwrwella
A
A ddylaiItestwaterthathasbeentreatedwithUVlight? Ydy, itisrecommendedthatyoutesttreatedwaterforthepresenceofmicroorganismseverymonthtoensurewaterisbeingadeiencylydisinfected.WatersamplesshouldbetestedbyaNationalAssociationofTestingAuthorities (NATAL.
IsitnecessarytotreatschemedrinkingwaterwithUVlight? Itisnotnecessarytofurtherdisinfectschemedrinkingwater.TheDepartmentofHealthcontinuallymonitorsthemicrobiologicalandchemicalqualityofdrinkingwatersuppliedbyalllicensedschemedrinkingwaterproviderstoensurethatitissafetoconsume.
System HowdoIchooseaUVlightsystem? AllUVlightdisinfectionsystemssoldinAustraliaarerequiredcarryastandardWaterMarksymbol.
TheWaterMarkassuresthepurchaserthattheappliancecomplieswiththeapproprAustralianStandards.ToensurethecorrectlevelofmicrobiologicalremovalUVlightdisinfectionsystemsshouldalsocomplywithoneormoreofthefollowing:
Safon AmericanNationalStandardsInstituteandNationalSanitationFoundation (ANSI / NSF) 55.
Awstralia / NewZealandStandardAS / NZS4348WaterSupply - Domestictypewatertreatmentappliances - Performancerequirements
Awstralia / NewZealandStandardAS / NZS3497Drinkingwatertreatmentunits - Ymholiadau Plymio
Awstralia / NewZealandStandardAS / NZS3497alsospecifythelevelofperformanceeachwatertreatmentanddisinfectionsystemcanachieve.UVlightdisinfectionsystemsshouldbeabletotreatwatertooneormoreofthefollowingclassifications:
TriniaethClassMicrobiologicalTreatmentLevelofDisinfectionClassIIaBacteriaremovalWillremoveorinactivatebacteriaClassIIbVirusremovalWillremoveorinactivatevirusesClassIIcProtozoaremovalWillremoveorinactivateCryptosporidiumandGiardi
WillnotremovebacteriaorvirusesunlessClassIIaandIIbarepassed.
TheANSI / NSForAS / NZSstandardsymbolsandtheTreatmentClassshouldbeeasilyseenonpackagingortreatmentequipment.
Rhestr wirioforpurchasingaUVdisinfectionsystem.
BeforebuyingaUVlightsystemcheckthatit:
willbeabletotreatallofthewaterneededinthehousehold.
isequippedwithapre-filtertoremoveanyiron, manganeseandotherdirtanddebrithatcaneitherabsorborscatterUVlight.
hasabuiltinlightsensorthatcanmonitortheUVintensity, linkedtoanalarmsystemtoalerttheuserincaseoflowUVlevel.
hasasafetycontrolsystemthatcanshutoffthewatersupplyincaseofalowUVlevel.
isconnectedtoaconstantpowersupply.
carrytheWaterMarksymbolandatleastoneofthefollowingstandardsANSI / NSFStandard55, AS / NZS3497orAS / NZS4348andtreatmentclassificationlevel.
Hefyd:
LocatetheUVlightdisinfectionsystemasclosetothepointofuseaspossible,
System sicrhau Ensthattherearenobreaksorbackflowsinyourplumbingsystem, a
Dilynthemanufacturersrecommendedmaintenanceguidelines.
MoreinformationWaterUnit, EnvironmentalHealthDirectorate
Adran Iechyd
Waterobtainedfromnaturalsourcessuchasdams, nentydd, boresandrainwatertanksmaycontainmicroorganismsthatcanposearisktoyourhealth.TheDepartmentofHealthrecommendsthatallnaturallysourcedwatershouldbeprofessionallytestedandtreatedbeforeitisusedfordrinking, ymolchi, fillingswimmingandpaddlingpools, foodpreparationorcooking.Anumberofwatertreatmentsystemscanbeusedtoremovemicrobiologicalcontaminantsthatmaycauseillness.UltraViolet (UV) lightdisinfectionisonewatertreatmentsystemthatcanbeusedtoremovemostformsofmicrobiologicalcontaminationfromwater.
WhatisUVlight? UVlightispartofnaturalsunlight.ItcannotbeseenasUVlightisbetweenvisiblelightandx-ray.
HowdoesUVlightkillmicroorganisms? PanUVlightentersamicroorganismitsenergywilldamagethemicroorganism'scellularfunctionsothatitwillnotbeabletogrow.
IsUVlighteffectiveagainstallmicroorganisms? Ie.UVlightisnormallyeffectiveagainstallviruses, bacteriaandprotozoa.
A ywUVlightworkinallwaterconditions? No.UVlightwillonlytravelinastraightlinesoanyshadoworobstructionwillreduceitsefficiency.Waterthatisnotfilteredcancontainiron, manganeseandotherparticlesthatcaneitherabsorborscatterUVlightreducingtheeffectivenessofthedisinfectionsystem.Microorganismttrestroferegreatrofereg
A ddylaiIfiltermywaterbeforeUVlightdisinfection? Ie.ItisimportanttofilterwaterbeforetreatmentwithaUVlighttomakesurethatallsuspendedparticlesareremoved.UVlightisnotafiltersomicroorganismsandsuspendedmatterwillnotberemovedfromthetreatedwater.
Beth sy'n digwydd yn yr elfen drydanol?
Isdisinfectionmaintainedthroughoutthewatersupplysystem? Na, UVlightdisinfectionsystemswillonlydisinfectwateratthepointofcontact.AssoonaswaterleavestheUVlightdisinfectionsystemrecontaminationfrombackflow, breakandbiofilms (llysnafeddog).
A ddylaiIcleanthepipesystemdownstreamfromaUVwatertreatmentunit? Ie, goramserabiofilm (orslime) maygrowinawatersupplysystemtreatedwithUVlight.Thismayrequireoccasionaltreatmentwithchlorinetoremoveanybiofilmwithinthepipes.Toremovebiofilmsfallpallpallchallpallpallpallchallpallchallpallpallpallchallpallpallchallpallchallpallchallpallchallpallpallpallchallpallpallchallpallchallpallchallpallchallpallchallpallcallcallwallpallchallcallwallpallpallcallcallofallpallcallcallcallcallcallitallcallcallitallcallitallcallitallcallloflurhecofoloflwrwella
A
A ddylaiItestwaterthathasbeentreatedwithUVlight? Ydy, itisrecommendedthatyoutesttreatedwaterforthepresenceofmicroorganismseverymonthtoensurewaterisbeingadeiencylydisinfected.WatersamplesshouldbetestedbyaNationalAssociationofTestingAuthorities (NATAL.
IsitnecessarytotreatschemedrinkingwaterwithUVlight? Itisnotnecessarytofurtherdisinfectschemedrinkingwater.TheDepartmentofHealthcontinuallymonitorsthemicrobiologicalandchemicalqualityofdrinkingwatersuppliedbyalllicensedschemedrinkingwaterproviderstoensurethatitissafetoconsume.
System HowdoIchooseaUVlightsystem? AllUVlightdisinfectionsystemssoldinAustraliaarerequiredcarryastandardWaterMarksymbol.
TheWaterMarkassuresthepurchaserthattheappliancecomplieswiththeapproprAustralianStandards.ToensurethecorrectlevelofmicrobiologicalremovalUVlightdisinfectionsystemsshouldalsocomplywithoneormoreofthefollowing:Safon AmericanNationalStandardsInstituteandNationalSanitationFoundation (ANSI / NSF) 55.
Awstralia / NewZealandStandardAS / NZS4348WaterSupply - Domestictypewatertreatmentappliances - Performancerequirements
Awstralia / NewZealandStandardAS / NZS3497Drinkingwatertreatmentunits - Ymholiadau Plymio
Awstralia / NewZealandStandardAS / NZS3497alsospecifythelevelofperformanceeachwatertreatmentanddisinfectionsystemcanachieve.UVlightdisinfectionsystemsshouldbeabletotreatwatertooneormoreofthefollowingclassifications:
TriniaethClassMicrobiologicalTreatmentLevelofDisinfectionClassIIaBacteriaremovalWillremoveorinactivatebacteriaClassIIbVirusremovalWillremoveorinactivatevirusesClassIIcProtozoaremovalWillremoveorinactivateCryptosporidiumandGiardi
WillnotremovebacteriaorvirusesunlessClassIIaandIIbarepassed.
TheANSI / NSForAS / NZSstandardsymbolsandtheTreatmentClassshouldbeeasilyseenonpackagingortreatmentequipment.
Rhestr wirioforpurchasingaUVdisinfectionsystem.
BeforebuyingaUVlightsystemcheckthatit:
willbeabletotreatallofthewaterneededinthehousehold.
isequippedwithapre-filtertoremoveanyiron, manganeseandotherdirtanddebrithatcaneitherabsorborscatterUVlight.
hasabuiltinlightsensorthatcanmonitortheUVintensity, linkedtoanalarmsystemtoalerttheuserincaseoflowUVlevel.
hasasafetycontrolsystemthatcanshutoffthewatersupplyincaseofalowUVlevel.
isconnectedtoaconstantpowersupply.
carrytheWaterMarksymbolandatleastoneofthefollowingstandardsANSI / NSFStandard55, AS / NZS3497orAS / NZS4348andtreatmentclassificationlevel.
Hefyd:
LocatetheUVlightdisinfectionsystemasclosetothepointofuseaspossible,
System sicrhau Ensthattherearenobreaksorbackflowsinyourplumbingsystem, a
Dilynthemanufacturersrecommendedmaintenanceguidelines.
MoreinformationWaterUnit, EnvironmentalHealthDirectorate
Adran Iechyd
