WPC >:4 [}c.Ja'} s0xKD رܤu\SBWK ~HWsE) }VG{é1&‰ˢHe<;,&Bip[nzjF@\y/f\Ree3Dj+ UDIV;1hJR_٦AHkE(G# UN %; 0(A@iBw@4+?BN 0DLexmark 2030 ColorFine 2WWLXTEX,,,,X0nLL(hH  Z 6Times New Roman RegularX($C:\LANWIN\TEMPLATE\STANDARD.WPT 8 F'    January22,1998 ./D012D3456E73$ dd3|x7 8 F'    January22,1998(3$ !  !   XX **DRAFT** #XZX)# P   ProposedRecommendationsonthefinalDrinkingWaterContaminantCandidateList(CCL)forConsdierationConsiderationbytheNationaNationalDrinkingWaterAdvisoryCouncil  Background    SDWA,asamendedin1996 󀄄byFebruary6,1998EPAshallpublishalistofcontaminants,   whichatthetimeofpublication,arenotsubjecttoanyproposedorpromulgatednationalprimarydrinkingwaterregulations,whichareknownoranticipatedtooccurinpublicwatersystems,andwhichmayrequireregulation `  Thelist,theDrinkingWaterContaminantCandidateList(CCL),identifiescontaminantsforwhichtheDrinkingWaterProgramwilldevotedresourcestowardtodeterminetheappropriateactionregardingthecontaminant,whetheritbehealthadvisories,otherguidance,toxicityresearch,andmonitoring.TheCandidateListwillalsobeusedtoselectcontaminantsfordeterminingwhetherornotregulationswillbedevelopedpursuanttotheSDWA.AdraftCCLwaspublishedintheFederalRegisterontheonOctober6,1997,andforaperiodof  60days,untilDecember5,1997,thepublichadanopportunitytocommentonthenotice.Basedondataandfeedbackreceivedduringthecommentperiod,changestotheCCLwereproposedandconsideredbytheNDWACWorkingGrouponOccurrence&ContaminantSelection.AsaresultofthedeliberationsoftheWorkingGroup,thefollowingrecommendationsforthefinalCCLhavebeendevelopedforconsiderationbythefullCouncil.The6E67e7xecutivesumm4a4ry33oftheJanuary7,1998WorkingGroupConfer5e5nceCallisattached(Attachment1).ThefinalCCLmustbesignedbyFebruary6,1998tomeettheSDWAstatutorydeadline. TheOutcome 󀄄Basedonuseofthecriteriaandadditionalinformationobtainedduringthe \$  commentperiod,thedraftCCLof71contaminantsshouldbemodifiedby:(1)adding2contaminants[Perchlorate,Bluegreenalgaeotheralgaeandtheirtoxins(e.g.,mycotoxin)](2)removing14others[Sodium,DTBB,Methylbromide(bromomethane),RhodamineWT,Dimethoate,zinc,aldicarbs,nickel,acetone,cumene,HepatitisAvirus,Toxoplasmagondii, *#& Cyclosporacayetanensis,andLegionella],and(3)combining2[cyanazineandatrazinedesethyl]intoone[Triazines&dedgradationproducts -H&) (including,butnotlimitedtoCyanazine,andatrazinedesethyl)ThesechangesyieldafinalCCLof58contaminant/contaminantgroups,including48chemicaland10microbiologicalwhichmustbesignedbyFebruary6,1998tomeettheSDWAstatutorydeadline.Recommendations  t 1.Itisrecommendedthatthelist(seeAttachment/1/020)bethefinalDrinkingWaterContaminantCandidateList.3.ItisrecommendedthatintheFederalRegisternotice,theinformationneedsandlikelynext `  stepsbespeciallystatedforeachcontaminantusingTable2&Figure5(Attachments+2+//,3,and-3-.4.).Attachments:̜10   1.ExecutiveSummary,ConferenceCall,January7,1998,NDWACWorkingGrouponOccurrence&ContaminantSelection (#(# 121122.DrinkingWaterContaminantCandidateList̜3.Table2.NextStepsfortheCCL̜)3)*4*.Figure5.NextStepsfortheCCL̜10   1.ExecutiveSummary,ConferenceCall,January7,1998,NDWACWorkingGrouponOccurrence&ContaminantSelection (#(# 1