WPCW `AX%דa*K!Pe\UIOĹ^}- uyn`[XBRfqkRQHΑB~y?Q8!hټS5I{Ψ]'f),VFJE}mdud&EtXYfWhm6&yl 0n`/kr*bR'CV"7qOq6 Qw!u\XgtGU ҚdC"(BbXhh`;o? )4X#SL{OWdjBaSEv޴jPt+% Ԟ#:}œ26,=}rsދ%m?\q?@pBBCfE`FJKkLh MgsMaMc;N"NZRUU~VVHP LaserJet 4Si MX,,,,,,03cp Z"Times RegularX($TABLE AGt,c4+d3|xU U%  11  .  ThesearsenicvaluesareeffectiveJanuary23,2006.Untilthen,theMCLis0.05mg/landthereisnoMCLG. U%  17  .  TheuraniumMCLiseffectiveDecember8,2003forallcommunitywatersystems. U%  9  .  ݀TheuraniumMCLTier2violationcitationsareeffectiveDecember8,2003forallcommunitywatersystems. U%  10  .  ݀TheuraniumTier3violationcitationsareeffectiveDecember8,2000forallcommunitywatersystems. U%  8  .  ThearsenicMCLcitationsareeffectiveJanuary23,2006.Untilthen,thecitationsare141.11(b)and141.23(n). U%  9  .  ThearsenicTier3violationMCLcitationsareeffectiveJanuary23,2006.Untilthen,thecitationare141.23(a),(l). dĀ(3$ !    0  . d($$  0  TABLE A1TABLE H # U%  1  .  _ԀViolationsandothersituationsnotlistedinthistable(e.g.,reportingviolationsandfailuretoprepareConsumerConfidenceReports)donotrequirenotice,unlessotherwisedeterminedbytheprimacyagency.Primacyagenciesmay,attheiroption,alsorequireamorestringentpublicnoticetier(e.g.,Tier1insteadofTier2orTier2insteadofTier3)forspecificviolationsandsituationslistedinthisAppendix,asauthorizedunder141.202(a)and141.203(a). U%  2  .  _ԀMCLMaximumcontaminantlevel,MRDLMaximumresidualdisinfectantlevel,TTTreatmenttechnique $ U%  3  .  _ԀThetermViolationsofNationalPrimaryDrinkingWaterRegulations(NPDWR)isusedhere ]$ toincludeviolationsofMCL,MRDL,treatmenttechnique,monitoring,andtestingprocedurerequirements. > U%  4  .  _ԀFailuretotestforfecalcoliformorE.coliisaTier1violationiftestingisnotdoneafterany  repeatsampletestspositiveforcoliform.AllothertotalcoliformmonitoringandtestingprocedureviolationsareTier3.  U%  5  .  _ԀSystemsthatviolatetheturbidityMCLof5NTUbasedonanaverageofmeasurementsovertwoconsecutivedaysmustinitiateconsultationwiththeprimacyagencywithin24hoursafterlearningoftheviolation.Basedonthisconsultation,theprimacyagencymaysubsequentlydecidetoelevatetheviolationtoTier1.Ifasystemisunabletomakecontactwiththeprimacyagencyinthe24hourperiod,theviolationisautomaticallyelevatedtoTier1.  U%  6  .  _ԀSystemswithtreatmenttechniqueviolationsinvolvingasingleexceedanceofamaximum ( turbiditylimitundertheSurfaceWaterTreatmentRule(SWTR)ortheInterimEnhancedSurfaceWaterTreatmentRule(IESWTR)arerequiredtoinitiateconsultationwiththeprimacyagencywithin24hoursafterlearningoftheviolation.Basedonthisconsultation,theprimacyagencymaysubsequentlydecidetoelevatetheviolationtoTier1.Ifasystemisunabletomakecontactwiththeprimacyagencyinthe24hourperiod,theviolationisautomaticallyelevatedtoTier1. n m.4!   U%  7  .  _ԀMostoftherequirementsoftheInterimEnhancedSurfaceWaterTreatmentRule(63FR  69477)(  141.170141.171,141. 173141.174)becomeeffective January1 ,200 2forSubpartH  systems(surfacewatersystemsandgroundwatersystemsunderthedirectinfluenceofsurfacewater)serving atleast10,000persons. However,  141.172hassomerequirementsthatbecome  effectiveassoonasApril16,1999.TheSurfaceWaterTreatmentRuleremainsineffectforsystemsservingatleast10,000personsevenafter200 2;theInterimEnhancedSurfaceWater `  TreatmentRuleaddsadditionalrequirementsanddoesnotinmanycasessupercedetheSWTR. $ U%  10  .  _ Failuretotakeaconfirmationsamplewithin24hoursfornitrateornitriteafteraninitial XX sampleexceedstheMCLisaTier1violation.OthermonitoringviolationsfornitrateareTier3.  U%  8  .  _ԀFailuretotakeaconfirmationsamplewithin24hoursfornitrateornitriteafteraninitialsampleexceedstheMCLisaTier1violation.OthermonitoringviolationsfornitrateareTier3.  U%  11  .  _ԀSubpartHcommunityandnontransientnoncommunitysystemsserving10,000must  complywithnewDBPMCLs,disinfectantMRDLs,andrelatedmonitoringrequirementsbeginning January1 ,200 2.Allothercommunityandnontransientnoncommunitysystems  mustmeettheMCLsandMRDLsbeginning January1 ,200 4.SubpartHtransientnon  communitysystemsserving10,000ormorepersonsandusingchlorinedioxideasadisinfectantoroxidantmustcomplywiththechlorinedioxideMRDLbeginning January1 ,200 2.SubpartH   transientnoncommunitysystemsservingfewerthan10,000personsandusingonlygroundwaternotunderthedirectinfluenceofsurfacewaterandusingchlorinedioxideasadisinfectantoroxidantmustcomplywiththechlorinedioxideMRDLbeginning January1 , 2004.  U%  12  .  _Ԁ  141.12willnolongerapplyafter January1 ,200 4. U%  13  .  _ԀFailuretomonitorforchlorinedioxideattheentrancetothedistributionsystemthedayafterexceedingtheMRDLattheentrancetothedistributionsystemisaTier2violation. 7 U%  14  .  _ԀIfanydailysampletakenattheentrancetothedistributionsystemexceedsthe_MRDL_Ԁforchlorinedioxideandoneormoresamplestakeninthedistributionsystemthenextdayexceedthe_MRDL_,Tier1notificationisrequired.Failuretotaketherequiredsamplesinthedistributionsystemafterthe_MRDL_ԀisexceededattheentrypointalsotriggersTier1_notification._  ..   U%  15  .  _ Somewatersystemsmustmonitorforcertainunregulatedcontaminantslistedin141.40.  h U%  16  .  _ԀThiscitationrefersto  1415and1416oftheSafeDrinkingWaterAct.  1415and1416 hh requirethat ascheduleprescribed...forapublicwatersystemgrantedavariance[orexemption]shallrequirecompliancebythesystem... U%  17  .  _ԀInadditionto1415and1416oftheSafeDrinkingWaterAct,40CFR142.307specifiestheitemsandschedulemilestonesthatmustbeincludedinavarianceforsmallsystems.  U%  18  .  _ԀOtherwaterborneemergenciesrequireaTier1publicnoticeunder141.202(a)forsituationsthatdonotmeetthedefinitionofawaterbornediseaseoutbreakgivenin40CFR141.2butthatstillhavethepotentialtohaveseriousadverseeffectsonhealthasaresultofshorttermexposure.Thesecouldincludeoutbreaksnotrelatedtotreatmentdeficiencies,aswellassituationsthathavethepotentialtocauseoutbreaks,suchasfailuresorsignificantinterruptioninwatertreatmentprocesses,naturaldisastersthatdisruptthewatersupplyordistributionsystem,chemicalspills,orunexpectedloadingofpossiblepathogensintothesourcewater. U%  19  .  _ԀPrimacyagenciesmayplaceothersituationsinanytiertheybelieveappropriate,basedonthreattopublic_health.___ i U%  1  .  _ԀMCLGMaximumcontaminantlevelgoal c U%  2  .  _ԀMCLMaximumcontaminantlevel R U%  3  .  _ԀForwatersystemsanalyzingatleast40samplespermonth,nomorethan5.0percentofthemonthlysamplesmaybepositivefortotalcoliforms.Forsystemsanalyzingfewerthan40samplespermonth,nomorethanonesamplepermonthmaybepositivefortotalcoliforms.  U%  4  .  _ԀTherearevariousregulationsthatsetturbiditystandardsfordifferenttypesofsystems,including40CFR141.13,the1989SurfaceWaterTreatmentRule,andthe1998InterimEnhancedSurfaceWaterTreatmentRule.TheMCLforthemonthlyturbidityaverageis1NTU;theMCLforthe2dayaverageis5NTUforsystemsthatarerequiredtofilterbuthavenotyetinstalledfiltration(40CFR141.13). f U%  5  .  _ԀNTUNephelometricturbidityunit  U%  6  .  _ԀTherearevariousregulationsthatsetturbiditystandardsfordifferenttypesofsystems,including40CFR141.13,the1989SurfaceWaterTreatmentRule(SWTR),andthe1998InterimEnhancedSurfaceWaterTreatmentRule(IESWTR).SystemssubjecttotheSurfaceWaterTreatmentRule(bothfilteredandunfiltered)maynotexceed5NTU.Inaddition,in -#  filteredsystems,95percentofsampleseachmonthmustnotexceed0.5NTUinsystemsusingconventionalordirectfiltrationandmustnotexceed1NTUinsystemsusingslowsandordiatomaceousearthfiltrationorotherfiltrationtechnologiesapprovedbytheprimacyagency. \ U%  7  .  _ԀTTTreatmenttechnique  U%  8  .  _ԀTherearevariousregulationsthatsetturbiditystandardsfordifferenttypesofsystems,including40CFR141.13,the1989SurfaceWaterTreatmentRule(SWTR),andthe1998InterimEnhancedSurfaceWaterTreatmentRule(IESWTR).ForsystemssubjecttotheIESWTR(systemsservingatleast10,000people,usingsurfacewaterorgroundwaterunderthedirectinfluenceofsurfacewater),thatuseconventionalfiltrationordirectfiltration,afterJanuary1,2002,theturbiditylevelofasystemscombinedfiltereffluentmaynotexceed0.3NTUinatleast95percentofmonthlymeasurements,andtheturbiditylevelofasystemscombinedfiltereffluentmustnotexceed1NTUatanytime.SystemssubjecttotheIESWTRusingtechnologiesotherthanconventional,direct,slowsand,ordiatomaceousearthfiltrationmustmeetturbiditylimitssetbytheprimacyagency.  U%  9  .  _ԀThebacteriadetectedbyheterotrophicplatecount(_HPC_)arenotnecessarilyharmful._HPC_Ԁissimplyanalternativemethodofdeterminingdisinfectantresiduallevels.Thenumberofsuchbacteriaisanindicatorofwhetherthereisenoughdisinfectantinthedistributionsystem. U%  10  .  _ԀSWTRandIESWTRtreatmenttechniqueviolationsthatinvolveturbidityexceedancesmayusethehealtheffectslanguageforturbidityinstead. a U%  12  .  _ԀMillionsoffibersperliter ^ U%  13  .  _ԀActionLevel=0.015mg/L ] U%  14  .  _ԀActionLevel=1.3mg/L W U%  15  .  _ԀMilliremsperyear Y U%  16  .  _ԀPicocuriesperliter  U%  18  .  _ԀSurfacewatersystemsandgroundwatersystemsunderthedirectinfluenceofsurfacewaterareregulatedunderSubpartHof40CFR141.SubpartHcommunityandnontransientnoncommunitysystemsserving10,000mustcomplywithDBPMCLsanddisinfectantmaximum @)@) residualdisinfectantlevels(MRDLs)beginningJanuary1,2002.AllothercommunityandnontransientnoncommunitysystemsmustmeettheMCLsandMRDLsbeginningJanuary1,2004.SubpartHtransientnoncommunitysystemsserving10,000ormorepersonsandusingchlorinedioxideasadisinfectantoroxidantmustcomplywiththechlorinedioxideMRDLbeginningJanuary1,2002.SubpartHtransientnoncommunitysystemsservingfewerthan10,000persons --  andsystemsusingonlygroundwaternotunderthedirectinfluenceofsurfacewaterandusingchlorinedioxideasadisinfectantoroxidantmustcomplywiththechlorinedioxideMRDLbeginningJanuary1,2004. P U%  19  .  _ԀTheMCLof0.10mg/lforTTHMsisineffectuntilJanuary1,2002forSubpartHcommunitywatersystems serving10,000ormore.ThisMCLisineffectuntilJanuary1,2004 8 8  forcommunitywatersystemswithapopulationof10,000ormoreusingonlygroundwaternotunderthedirectinfluenceofsurfacewater.Afterthesedeadlines,theMCLwillbe0.080mg/l.OnJanuary1,2004,allsystemsservinglessthan10,000willhavetocomplywiththenewMCLas_well._ U%  20  .  _ԀTheMCLfortotaltrihalomethanesisthesumoftheconcentrationsoftheindividualtrihalomethanes. U%  21  .  _ԀTheMCLforhaloaceticacidsisthesumoftheconcentrationsoftheindividualhaloaceticacids. u U%  22  .  _ԀMRDLGMaximumresidualdisinfectantlevelgoal U%  23  .  _ԀMRDLMaximumresidualdisinfectant_level_ !  XX  *,Zddd Xdd Xdd XT$T$, jZ@,jZ@,jZ@,jZ@,jZ@+  3)  C3 __AppendixAtoSubpartQofPart141  NPDWRViolationsandOtherSituationsRequiringPublicNotice  t W$  1        #XGX7#&8%XXG h''VS@ $C"C    h W''VB&   ''V CW Contaminant V''VA2-C":vv''V CV @  @ MCL/MRDL/TTViolations  u W$  2      H'''V3$-C"''V CH @ Monitoring&TestingProcedure - Violations `''VK/  C"   '''V C` ;''V&  ''V C; TierofPublic    NoticeRequired A''V,!]  C"''V CA Citation     A''V,! C"''V CA TierofPublic   NoticeRequired A'''V,!] C"''V CA Citation V'''C, C"   '''V CV I.ViolationsofNationalPrimaryDrinkingWaterRegulations(NPDWR): v W$  3      ׀ T'''A*I C  ''' CT A.MicrobiologicalContaminants L''=*5 C  ''' CL#XGX%&8#6 XXG1.Totalcoliform Z''K!!q C''  @2C@Z2 Z''K@!q C  @2 @'' CZ141.63(a) Z''K!!q C''  @3C@Z3 ^'''K@!q C  @3 @'' C^141.21(a)(e) I'':'!q C  ''' CI2.Fecalcoliform/E.coli Z''K!K C''  ?1C?Z1 Z''K@K C  ?1 ?'' CZ141.63(b) ;'',!K C'' C;1,3 w W$  4      ?''',!K C'' C?141.21(e) I'':'K C  ''' CI3.TurbidityMCL Z''K!% C''  @2C@Z2 Z''K@% C  @2 @'' CZ141.13(a) Z''K!% !C''  @3C@Z3 '''o@% "C  @3 @'' ףp= a@141.22Cףp= a@141.22 m''^K% #C ףp= a@141.22  ףp= a@''' Cm4.TurbidityMCL(averageof2dayssamples>5NTU) ;'',!y %C'' C;2,1 x W$  5      ;'',! &C'' C;141.13(b) Z''K! 'C''  @3C@Z3 '''o@ (C  @3 @'' ףp= a@141.22Cףp= a@141.22 m''^K )C ףp= a@141.22  ףp= a@''' Cm5.Turbidity(forTTviolationsresultingfromasingleexceedanceofmaximumallowableturbiditylevel) ;'',!-C'' C;2,1 y W$  6      ;'',!S.C'' C;141.71(a)(2),141.71(c)(2)(i),141.73(a)(2)141.73(b)(2)141.73(c)(2)141.73(d)141.173(a)(2)141.173(b) Z''K!)6C''  @3C@Z3 ^'''K@S7C  @3 @'' C^141.74(a)(1),141.74(b)(2),141.74(c)(1),141.174 I'':';C  ''' CI6.SurfaceWaterTreatmentRuleviolations,otherthanviolationsresultingfromsingleexceedanceofmax.allowableturbiditylevel(TT) Z''K!+@C''  @2C@Z2 Z''K@AC  @2 @'' CZ141.70141.73 Z''K!BC''  @3C@Z3 '''o@CC  @3 @'' Hza@141.74CHza@141.74 m''^KDC Hza@141.74  Hza@''' Cm7.InterimEnhancedSurfaceWaterTreatmentRuleviolations,otherthanviolationsresultingfromsingleexceedanceofmax.turbiditylevel(TT) Z''K! -IC''  @2C@Z2 Z''K@JC  @2 @'' CZ141.170141.173 z W$  7      Z''K!KC''  @3C@Z3 ^'''K@LC  @3 @'' C^141.172141.174 V'''C'NC  ''' CV #XGX 6 #&8%XXGB.InorganicChemicals(IOCs)#XGX%&8#6 XXG Q''B*!OC  ''' CQ1.Antimony Z''K!"PC''  @2C@Z2 Z''K@"QC  @2 @'' CZ141.62(b) Z''K!"RC''  @3C@Z3 ^'''K@"SC  @3 @'' C^141.23(a),(c) I'':'"TC  ''' CI2.Arsenic Z''K!}#UC''  @2C@Z2 Z''K@}#VC  @2 @'' CZ141.62(b)  W$  8      Z''K!}#WC''  @3C@Z3 ^'''K@}#XC  @3 @'' C^141.23(a),(c)  W$  9      N''?'}#YC  ''' CN3.Asbestos(fibers>10m) Z''K!W$ZC''  @2C@Z2 Z''K@W$[C  @2 @'' CZ141.62(b) Z''K!W$\C''  @3C@Z3 ^'''K@W$]C  @3 @'' C^141.23(a)(b) N''?'W$^C  ''' CN4.Barium Z''K!1% _C''  @2C@Z2 Z''K@1% `C  @2 @'' CZ141.62(b) Z''K!1% aC''  @3C@Z3 ^'''K@1% bC  @3 @'' C^141.23(a),(c) I'':'1% cC  ''' CI5.Beryllium Z''K! &[!dC''  @2C@Z2 Z''K@ &[!eC  @2 @'' CZ141.62(b) Z''K! &[!fC''  @3C@Z3 ^'''K@ &[!gC  @3 @'' C^141.23(a),(c) N''?' &[!hC  ''' CN6.Cadmium Z''K!&5"iC''  @2C@Z2 Z''K@&5"jC  @2 @'' CZ141.62(b) Z''K!&5"kC''  @3C@Z3 ^'''K@&5"lC  @3 @'' C^141.23(a),(c) N''?'&5"mC  ''' CN7.Chromium(total) Z''K!'#nC''  @2C@Z2 Z''K@'#oC  @2 @'' CZ141.62(b) Z''K!'#pC''  @3C@Z3 ^'''K@'#qC  @3 @'' C^141.23(a),(c) N''?''#rC  ''' CN8.Cyanide Z''K!(#sC''  @2C@Z2 Z''K@(#tC  @2 @'' CZ141.62(b) Z''K!(#uC''  @3C@Z3 ^'''K@(#vC  @3 @'' C^141.23(a),(c) I'':'(#wC  ''' CI9.Fluoride Z''K!s)$xC''  @2C@Z2 Z''K@s)$yC  @2 @'' CZ141.62(b) Z''K!s)$zC''  @3C@Z3 ^'''K@s)${C  @3 @'' C^141.23(a),(c) N''?'s)$|C  ''' CN10.Mercury(inorganic) Z''K!M*%}C''  @2C@Z2 Z''K@M*%~C  @2 @'' CZ141.62(b) Z''K!M*%C''  @3C@Z3 ^'''K@M*%C  @3 @'' C^141.23(a),(c) N''?'M*%C  ''' CN11.Nitrate Z''K!'+w&C''  ?1C?Z1 Z''K@'+w&C  ?1 ?'' CZ141.62(b) ;'',!'+w&C'' C;1,3  W$  10      ?''',!'+w&C'' C?141.23(a),(d)141.23(f)(2) N''?'+A'C  ''' CN12.Nitrite Z''K!,(C''  ?1C?Z1 Z''K@,(C  ?1 ?'' CZ141.62(b) ;'',!,(C'' C;1,3   W$  8      ?''',!,(C'' C?141.23(a),(e)141.23(f)(2) N''?'-(C  ''' CN13.TotalNitrateandNitrite Z''K!I C''  ?1C?Z1 Z''K@I C  ?1 ?'' CZ141.62(b) Z''K!I C''  @3C@Z3 ^'''K@I C  @3 @'' C^141.23(a) N''?'I C  ''' CN14.Selenium Z''K!#C''  @2C@Z2 Z''K@#C  @2 @'' CZ141.62(b) Z''K!#C''  @3C@Z3 ^'''K@# C  @3 @'' C^141.23(a),(c) N''?'# C  ''' CN15.Thallium Z''K! C''  @2C@Z2 Z''K@ C  @2 @'' CZ141.62(b) Z''K! C''  @3C@Z3 ^'''K@C  @3 @'' C^141.23(a),(c) V'''C'C  ''' CV&  #XGX 6$#&8%XXGC.LeadandCopperRule (ActionLevelforleadis0.015mg/L,forcopperis1.3mg/L)#XGX%&87#6 XXG L''=*C  ''' CL1.LeadandCopperRule(TT) Z''K!C''  @2C@Z2 Z''K@C  @2 @'' CZ141.80141.85 Z''K!C''  @3C@Z3 ^'''K@C  @3 @'' C^141.86141.89'7 Q'''>'C  ''' CQ #XGX 68#&8%XXGD.SyntheticOrganicChemicals(SOCs)#XGX%&8;#6 XXG Q''B*tC  ''' CQ1.2,4D Z''K!`C''  @2C@Z2 Z''K@`C  @2 @'' CZ141.61(c) Z''K!`C''  @3C@Z3 ^'''K@`C  @3 @'' C^141.24(h) N''?'`C  ''' CN2.2,4,5TP(Silvex) Z''K!s:C''  @2C@Z2 Z''K@s:C  @2 @'' CZ141.61(c) Z''K!s:C''  @3C@Z3 ^'''K@s:C  @3 @'' C^141.24(h) I'':'s: C  ''' CI3.Alachlor Z''K!M!C''  @2C@Z2 Z''K@M"C  @2 @'' CZ141.61(c) Z''K!M#C''  @3C@Z3 ^'''K@M$C  @3 @'' C^141.24(h) N''?'M%C  ''' CN4.Atrazine Z''K!'&C''  @2C@Z2 Z''K@''C  @2 @'' CZ141.61(c) Z''K!'(C''  @3C@Z3 ^'''K@')C  @3 @'' C^141.24(h) N''?''*C  ''' CN5.Benzo(a)pyrene(PAHs) Z''K!+C''  @2C@Z2 Z''K@,C  @2 @'' CZ141.61(c) Z''K!-C''  @3C@Z3 ^'''K@.C  @3 @'' C^141.24(h) N''?'/C  ''' CN6.Carbofuran Z''K! 0C''  @2C@Z2 Z''K@ 1C  @2 @'' CZ141.61(c) Z''K! 2C''  @3C@Z3 ^'''K@ 3C  @3 @'' C^141.24(h) N''?' 4C  ''' CN7.Chlordane Z''K!| 5C''  @2C@Z2 Z''K@| 6C  @2 @'' CZ141.61(c) Z''K!| 7C''  @3C@Z3 ^'''K@| 8C  @3 @'' C^141.24(h) N''?'| 9C  ''' CN8.Dalapon Z''K!V :C''  @2C@Z2 Z''K@V ;C  @2 @'' CZ141.61(c) Z''K!V <C''  @3C@Z3 ^'''K@V =C  @3 @'' C^141.24(h) N''?'V >C  ''' CN9.Di(2ethylhexyl)adipate Z''K!i0 ?C''  @2C@Z2 Z''K@i0 @C  @2 @'' CZ141.61(c) Z''K!i0 AC''  @3C@Z3 ^'''K@i0 BC  @3 @'' C^141.24(h) N''?'i0 CC  ''' CN10.Di(2ethylhexyl)phthalate Z''K!C DC''  @2C@Z2 Z''K@C EC  @2 @'' CZ141.61(c) Z''K!C FC''  @3C@Z3 ^'''K@C GC  @3 @'' C^141.24(h) N''?'C HC  ''' CN11.Dibromochloropropane Z''K! IC''  @2C@Z2 Z''K@ JC  @2 @'' CZ141.61(c) Z''K! KC''  @3C@Z3 ^'''K@ LC  @3 @'' C^141.24(h) I'':' MC  ''' CI12.Dinoseb Z''K!NC''  @2C@Z2 Z''K@OC  @2 @'' CZ141.61(c) Z''K!PC''  @3C@Z3 ^'''K@QC  @3 @'' C^141.24(h) N''?'RC  ''' CN13.Dioxin(2,3,7,8TCDD) Z''K!SC''  @2C@Z2 Z''K@TC  @2 @'' CZ141.61(c) Z''K!UC''  @3C@Z3 ^'''K@VC  @3 @'' C^141.24(h) N''?'WC  ''' CN14.Diquat Z''K!rXC''  @2C@Z2 Z''K@rYC  @2 @'' CZ141.61(c) Z''K!rZC''  @3C@Z3 ^'''K@r[C  @3 @'' C^141.24(h) N''?'r\C  ''' CN15.Endothall Z''K!L]C''  @2C@Z2 Z''K@L^C  @2 @'' CZ141.61(c) Z''K!L_C''  @3C@Z3 ^'''K@L`C  @3 @'' C^141.24(h) N''?'LaC  ''' CN16.Endrin Z''K!_&bC''  @2C@Z2 Z''K@_&cC  @2 @'' CZ141.61(c) Z''K!_&dC''  @3C@Z3 ^'''K@_&eC  @3 @'' C^141.24(h) N''?'_&fC  ''' CN17.Ethylenedibromide Z''K!9 gC''  @2C@Z2 Z''K@9 hC  @2 @'' CZ141.61(c) Z''K!9 iC''  @3C@Z3 ^'''K@9 jC  @3 @'' C^141.24(h) N''?'9 kC  ''' CN18.Glyphosate Z''K!!lC''  @2C@Z2 Z''K@!mC  @2 @'' CZ141.61(c) Z''K!!nC''  @3C@Z3 ^'''K@!oC  @3 @'' C^141.24(h) N''?'!pC  ''' CN19.Heptachlor Z''K!!qC''  @2C@Z2 Z''K@!rC  @2 @'' CZ141.61(c) Z''K!!sC''  @3C@Z3 ^'''K@!tC  @3 @'' C^141.24(h) N''?'!uC  ''' CN20.Heptachlorepoxide Z''K!"vC''  @2C@Z2 Z''K@"wC  @2 @'' CZ141.61(c) Z''K!"xC''  @3C@Z3 ^'''K@"yC  @3 @'' C^141.24(h) N''?'"zC  ''' CN21.Hexachlorobenzene Z''K!#h{C''  @2C@Z2 Z''K@#h|C  @2 @'' CZ141.61(c) Z''K!#h}C''  @3C@Z3 ^'''K@#h~C  @3 @'' C^141.24(h) N''?'#hC  ''' CN22.Hexachlorocyclopentadiene Z''K!{$BC''  @2C@Z2 Z''K@{$BC  @2 @'' CZ141.61(c) Z''K!{$BC''  @3C@Z3 ^'''K@{$BC  @3 @'' C^141.24(h) N''?'{$BC  ''' CN23.Lindane Z''K!U%C''  @2C@Z2 Z''K@U%C  @2 @'' CZ141.61(c) Z''K!U%C''  @3C@Z3 ^'''K@U%C  @3 @'' C^141.24(h) N''?'U%C  ''' CN24.Methoxychlor Z''K!/&C''  @2C@Z2 Z''K@/&C  @2 @'' CZ141.61(c) Z''K!/&C''  @3C@Z3 ^'''K@/&C  @3 @'' C^141.24(h) N''?'/&C  ''' CN25.Oxamyl(Vydate) Z''K! 'C''  @2C@Z2 Z''K@ 'C  @2 @'' CZ141.61(c) Z''K! 'C''  @3C@Z3 ^'''K@ 'C  @3 @'' C^141.24(h) N''?' 'C  ''' CN26.Pentachlorophenol Z''K!'C''  @2C@Z2 Z''K@'C  @2 @'' CZ141.61(c) Z''K!'C''  @3C@Z3 ^'''K@'C  @3 @'' C^141.24(h) N''?''C  ''' CN27.Picloram Z''K!(C''  @2C@Z2 Z''K@(C  @2 @'' CZ141.61(c) Z''K!(C''  @3C@Z3 ^'''K@(C  @3 @'' C^141.24(h) N''?'(C  ''' CN28.Polychlorinatedbiphenyls(PCBs) Z''K!a*(C''  @2C@Z2 Z''K@)^C  @2 @'' CZ141.61(c) Z''K!)^C''  @3C@Z3 ^'''K@)^C  @3 @'' C^141.24(h) N''?')^C  ''' CN29.Simazine Z''K!;+C''  @2C@Z2 Z''K@;+C  @2 @'' CZ141.61(c) Z''K!;+C''  @3C@Z3 ^'''K@;+C  @3 @'' C^141.24(h) N''?';+C  ''' CN30.Toxaphene Z''K!,C''  @2C@Z2 Z''K@,C  @2 @'' CZ141.61(c) Z''K!,C''  @3C@Z3 ^'''K@,C  @3 @'' C^141.24(h) V'''C',C  ''' CV #XGX 6;#&8%XXGE.VolatileOrganicChemicals(VOCs)#XGX%&8Kt#6 XXG Q''B*,C  ''' CQ1.Benzene Z''K!- C''  @2C@Z2 Z''K@- C  @2 @'' CZ141.61(a) Z''K!- C''  @3C@Z3 ^'''K@- C  @3 @'' C^141.24(f) N''?'- C  ''' CN2.Carbontetrachloride Z''K!I C''  @2C@Z2 Z''K@I C  @2 @'' CZ141.61(a) Z''K!I C''  @3C@Z3 ^'''K@I C  @3 @'' C^141.24(f) I'':'I C  ''' CI3.Chlorobenzene(monochlorobenzene) Z''K!C''  @2C@Z2 Z''K@#C  @2 @'' CZ141.61(a) Z''K!# C''  @3C@Z3 ^'''K@# C  @3 @'' C^141.24(f) N''?'# C  ''' CN4.oDichlorobenzene Z''K! C''  @2C@Z2 Z''K@ C  @2 @'' CZ141.61(a) Z''K!C''  @3C@Z3 ^'''K@C  @3 @'' C^141.24(f) N''?'C  ''' CN5.pDichlorobenzene Z''K!hC''  @2C@Z2 Z''K@hC  @2 @'' CZ141.61(a) Z''K!hC''  @3C@Z3 ^'''K@hC  @3 @'' C^141.24(f) N''?'hC  ''' CN6.1,2Dichloroethane Z''K!{BC''  @2C@Z2 Z''K@{BC  @2 @'' CZ141.61(a) Z''K!{BC''  @3C@Z3 ^'''K@{BC  @3 @'' C^141.24(f) N''?'{BC  ''' CN7.1,1Dichloroethylene Z''K!UC''  @2C@Z2 Z''K@UC  @2 @'' CZ141.61(a) Z''K!UC''  @3C@Z3 ^'''K@UC  @3 @'' C^141.24(f) N''?'UC  ''' CN8.cis1,2Dichloroethylene Z''K!/ C''  @2C@Z2 Z''K@/!C  @2 @'' CZ141.61(a) Z''K!/"C''  @3C@Z3 ^'''K@/#C  @3 @'' C^141.24(f) N''?'/$C  ''' CN9.trans1,2Dichloroethylene Z''K! %C''  @2C@Z2 Z''K@ &C  @2 @'' CZ141.61(a) Z''K! 'C''  @3C@Z3 ^'''K@ (C  @3 @'' C^141.24(f) N''?' )C  ''' CN10.Dichloromethane Z''K!*C''  @2C@Z2 Z''K@+C  @2 @'' CZ141.61(a) Z''K!,C''  @3C@Z3 ^'''K@-C  @3 @'' C^141.24(f) N''?'.C  ''' CN11.1,2Dichloropropane Z''K!/C''  @2C@Z2 Z''K@0C  @2 @'' CZ141.61(a) Z''K!1C''  @3C@Z3 ^'''K@2C  @3 @'' C^141.24(f) N''?'3C  ''' CN12.Ethylbenzene Z''K!^ 4C''  @2C@Z2 Z''K@^ 5C  @2 @'' CZ141.61(a) Z''K!^ 6C''  @3C@Z3 ^'''K@^ 7C  @3 @'' C^141.24(f) N''?'^ 8C  ''' CN13.Styrene Z''K!q8 9C''  @2C@Z2 Z''K@q8 :C  @2 @'' CZ141.61(a) Z''K!q8 ;C''  @3C@Z3 ^'''K@q8 <C  @3 @'' C^141.24(f) N''?'q8 =C  ''' CN14.Tetrachloroethylene Z''K!K >C''  @2C@Z2 Z''K@K ?C  @2 @'' CZ141.61(a) Z''K!K @C''  @3C@Z3 ^'''K@K AC  @3 @'' C^141.24(f) N''?'K BC  ''' CN15.Toluene Z''K!% CC''  @2C@Z2 Z''K@% DC  @2 @'' CZ141.61(a) Z''K!% EC''  @3C@Z3 ^'''K@% FC  @3 @'' C^141.24(f) N''?'% GC  ''' CN16.1,2,4Trichlorobenzene Z''K! HC''  @2C@Z2 Z''K@ IC  @2 @'' CZ141.61(a) Z''K! JC''  @3C@Z3 ^'''K@ KC  @3 @'' C^141.24(f) N''?' LC  ''' CN17.1,1,1Trichloroethane Z''K! MC''  @2C@Z2 Z''K@ NC  @2 @'' CZ141.61(a) Z''K! OC''  @3C@Z3 ^'''K@ PC  @3 @'' C^141.24(f) I'':' QC  ''' CI18.1,1,2Trichloroethane Z''K!zRC''  @2C@Z2 Z''K@zSC  @2 @'' CZ141.61(a) Z''K!zTC''  @3C@Z3 ^'''K@zUC  @3 @'' C^141.24(f) N''?'zVC  ''' CN19.Trichloroethylene Z''K!TWC''  @2C@Z2 Z''K@TXC  @2 @'' CZ141.61(a) Z''K!TYC''  @3C@Z3 ^'''K@TZC  @3 @'' C^141.24(f) N''?'T[C  ''' CN20.Vinylchloride Z''K!g.\C''  @2C@Z2 Z''K@g.]C  @2 @'' CZ141.61(a) Z''K!g.^C''  @3C@Z3 ^'''K@g._C  @3 @'' C^141.24(f) N''?'g.`C  ''' CN21.Xylenes(total) Z''K!AaC''  @2C@Z2 Z''K@AbC  @2 @'' CZ141.61(a) Z''K!AcC''  @3C@Z3 ^'''K@AdC  @3 @'' C^141.24(f) V'''C'AeC  ''' CV #XGX 6t#&8%XXGF.RadioactiveContaminants#XGX%&8#6 XXG Q''B*fC  ''' CQ1.Beta/photonemitters Z''K! gC''  @2C@Z2 Z''K@ hC  @2 @'' CZ141.66(d) Z''K! iC''  @3C@Z3 ^'''K@ jC  @3 @'' C^141.25(a)141.26(b) N''?' lC  ''' CN2.Alphaemitters Z''K!!rmC''  @2C@Z2 Z''K@!rnC  @2 @'' CZ141.66(c) Z''K!!roC''  @3C@Z3 ^'''K@!rpC  @3 @'' C^141.25(a)141.26(a) I'':'u"<rC  ''' CI3.Combinedradium(226&228) Z''K!O#sC''  @2C@Z2 Z''K@O#tC  @2 @'' CZ141.66(b) Z''K!O#uC''  @3C@Z3 ^'''K@O#vC  @3 @'' C^141.25(a)141.26(a) I'':'$xC  ''' CI4.Uranium Z''K!$yC''  @2C@Z2  W$  9      #XGX 6a#6 XXG Z''K@$zC  @2 @'' CZ141.66(e) Z''K!${C''  @3C@Z3  W$  10      #XGX 6p#6 XXG ^'''K@$|C  @3 @'' C^141.25(a)141.26(a)#XGX 6#6 XXG V'''C'%~C  ''' CV&  #XGX 6s#&8%XXGG.DisinfectionByproducts(DBPs) , ByproductPrecursors,DisinfectantResiduals . Wheredisinfection &^ isusedinthetreatmentofdrinkingwater,disinfectantscombinewithorganicandinorganicmatterpresentinwatertoformchemicalscalleddisinfectionbyproducts(DBPs).EPAsetsstandardsforcontrollingthelevelsofdisinfectantsandDBPsindrinkingwater,includingtrihalomethanes(THMs)andhaloaceticacids(HAAs).   W$  11      #XGX%&8#6 XXG L''=**C  ''' CL1.Totaltrihalomethanes(TTHMs) Z''K!*C''  @2C@Z2 Z''K@*C  @2 @'' CZ141.12,  W$  12       * 141.64(a) Z''K!+C''  @3C@Z3 ^'''K@*C  @3 @'' C^141.30,141.132(a)(b) I'':'+C  ''' CI2.HaloaceticAcids(HAA5) Z''K!,^C''  @2C@Z2 Z''K@,^C  @2 @'' CZ141.64(a) Z''K!,^C''  @3C@Z3 ^'''K@,^C  @3 @'' C^141.132(a)(b)'& I'':',^C  ''' CI3.Bromate Z''K!q-8 C''  @2C@Z2 Z''K@q-8 C  @2 @'' CZ141.64(a) Z''K!q-8 C''  @3C@Z3 ^'''K@q-8 C  @3 @'' C^141.132(a)(b) I'':'q-8 C  ''' CI4.Chlorite Z''K!I C''  @2C@Z2 Z''K@I C  @2 @'' CZ141.64(a) Z''K!I C''  @3C@Z3 ^'''K@I C  @3 @'' C^141.132(a)(b) I'':'I C  ''' CI5.Chlorine(MRDL) Z''K!#C''  @2C@Z2 Z''K@#C  @2 @'' CZ141.65(a) Z''K!#C''  @3C@Z3 ^'''K@# C  @3 @'' C^141.132(a),(c) I'':'# C  ''' CI6.Chloramine(MRDL) Z''K! C''  @2C@Z2 Z''K@ C  @2 @'' CZ141.65(a) Z''K! C''  @3C@Z3 ^'''K@C  @3 @'' C^141.132(a),(c) I'':'C  ''' CI7.Chlorinedioxide(MRDL),whereany2consecutivedailysamplesatentrancetodistributionsystemonlyareaboveMRDL Z''K!5C''  @2C@Z2 Z''K@C  @2 @'' CZ141.65(a),141.133(c)(3) ;'',!hC'' C;2  W$  13      ,3 ?''',!C'' C?141.132(a),(c)141.133(c)(2) I'':'hC  ''' CI8.Chlorinedioxide(MRDL),wheresample(s)indistributionsystemthenextdayarealsoaboveMRDL Z''K!m4C''  ?1C?Z1  W$  14      Z''K@C  ?1 ?'' CZ141.65(a),141.133(c)(3) Z''K! C''  ?1C?Z1 ^'''K@!C  ?1 ?'' C^141.132(a),(c)141.133(c)(2) I'':'#C  ''' CI9.ControlofDBPprecursorsTOC(TT) Z''K! %C''  @2C@Z2 Z''K@G &C  @2 @'' CZ141.135(a)(b) Z''K!G 'C''  @3C@Z3 ^'''K@G (C  @3 @'' C^141.132(a),(d) I'':'G )C  ''' CI10.Benchmarkinganddisinfectionprofiling ;'',!| +C'' C;N/A ;'',! ,C'' C;N/A Z''K! -C''  @3C@Z3 '''p@ .C  @3 @'' /$a@141.172C/$a@141.172 n''_L /C /$a@141.172  /$a@''' Cn11.Developmentofmonitoringplan ;'',!Y 1C'' C;N/A ;'',!V 2C'' C;N/A Z''K!V 3C''  @3C@Z3 ^'''K@V 4C  @3 @'' C^141.132(f) Q'''>'V 5C  ''' CQ #XGX 6#&8%XXGH.OtherTreatmentTechniques#XGX%&8#6 XXG L''=*3 6C  ''' CL1.Acrylamide(TT) Z''K!7C''  @2C@Z2 ''p@8C  @2 @'' d;Oa@141.111Cd;Oa@141.111 `''QF9C d;Oa@141.111 d;Oa@'' C`N/A ?''',!:C'' C?N/A I'':';C  ''' CI2.Epichlorohydrin(TT) Z''K!<C''  @2C@Z2 ''p@=C  @2 @'' d;Oa@141.111Cd;Oa@141.111 `''QF>C d;Oa@141.111 d;Oa@'' C`N/A ?''',!?C'' C?N/A Q'''>'@C  ''' CQ #XGX 6#&8%XXGII.UnregulatedContaminantMonitoring :  W$  15      #XGX%&8d#6 XXG L''=*AC  ''' CLA.Unregulatedcontaminants ;'',!BC'' C;N/A ;'',!CC'' C;N/A Z''K!DC''  @3C@Z3 '''o@EC  @3 @'' ̬a@141.40C̬a@141.40 m''^KFC ̬a@141.40  ̬a@''' CmB.Nickel ;'',!`GC'' C;N/A ;'',!`HC'' C;N/A Z''K!`IC''  @3C@Z3 ^'''K@`JC  @3 @'' C^141.23(c),(k) Q'''>'`KC  ''' CQ #XGX 6%#&8%XXGIII.PublicNotificationforVariancesandExemptions :#XGX%&8:#6 XXG L''=*s :LC  ''' CLA.Operationunderavarianceorexemption Z''K!)"NC''  @3C@Z3 Z''K@_!&OC  @3 @'' CZ1415,1416,  W$  16      ;'',!_!&PC'' C;N/A ?''',!_!&QC'' C?N/A I'':'_!&RC  ''' CIB.Violationofconditionsofavarianceorexemption Z''K!#TC''  @2C@Z2 Z''K@#UC  @2 @'' CZ1415,1416,142.307  W$  17      ׀ ;'',!#WC'' C;N/A ?''',!#XC'' C?N/A Q'''>'#YC  ''' CQ #XGX 6#&8%XXGIV.OtherSituationsRequiringPublicNotification :#XGX%&8l#6 XXG L''=*$nZC  ''' CLA.Fluoridesecondarymaximumcontaminantlevel(SMCL)exceedance Z''K!'']C''  @3C@Z3 }''n@%Z^C  @3 @'' a@143.3Ca@}143.3 ^''OD%Z_C a@143.3 a@'' C^N/A ?''',!%Z`C'' C?N/A I'':'%ZaC  ''' CIB.ExceedanceofnitrateMCLfornoncommunitysystems,asallowedbyprimacyagency Z''K!)\dC''  ?1C?Z1 Z''K@(eC  ?1 ?'' CZ141.11(d) ;'',!(fC'' C;N/A ?''',!(gC'' C?N/A N''?'(hC  ''' CNC.Availabilityofunregulatedcontaminantmonitoringdata Z''K!I+jC''  @3C@Z3 ~''o@*FkC  @3 @'' ̬a@141.40C̬a@~141.40 _''PE*FlC ̬a@141.40 ̬a@'' C_N/A ?''',!*FmC'' C?N/A I'':'*FnC  ''' CID.Waterbornediseaseoutbreak Z''K!3,oC''  ?1C?Z1 Z''K@3,pC  ?1 ?'' CZ141.2,141.71(c)(2)(ii) ;'',!,rC'' C;N/A ?''',!3,sC'' C?N/A I'':'3,tC  ''' CIE.Otherwaterborneemergency  W$  18      Z''K!- uC''  ?1C?Z1 Z''K@- vC  ?1 ?'' CZN/A ;'',!- wC'' C;N/A ?''',!- xC'' C?N/A K''':'- yC  ''' CKF.Othersituationsasdeterminedbyprimacyagency =''',!C''' C=1,2,3  W$  19      =''',!C''' C=N/A =''',!I C''' C=N/A ?'''',!I C''' C?N/A#XGX 6##XXG7-+I C  t '''' 7 AppendixAEndnotes     0 =   й  0   #XGX##XXG*[\dud jZ@ jZ@jZ@jZ@jZ@,ZT$T$,4jZ@,vjZ@,v00@,jj@+  3)  C3 AppendixBtoSubpartQofPart141  StandardHealthEffectsLanguageforPublicNotification  (x #XGX#&8%XXG \''VG/C"    C\ Contaminant A''V,!|C"''V CAMCLG  W$  1       | mg/L A''V,!X C"''V CAMCL  W$  2       | mg/L A'''V,!X C"''V CAStandardHealthEffectsLanguageforPublicNotification V'''C,X  C"   '''V CV   #XGX%&8#XXGNationalPrimaryDrinkingWaterRegulations(NPDWR):#XGX#&8%XXG  Y'''F*D  C  ''' CY A.MicrobiologicalContaminants L''=*  C  ''' CL1a.Totalcoliform ;'',!  C'' C;Zero ;'',! C"'' C;Seefootnote  W$  3      6'''#! C"'' 6Coliformsarebacteriathatarenaturallypresentintheenvironmentandareusedasanindicatorthatother,potentially-harmful,bacteriamaybepresent.Coliformswerefoundinmoresamplesthanallowedandthiswasawarningofpotentialproblems. @''1h   ''' C@1b.Fecalcoliform/E.coli ;'',!T C'' C;Zero ;'',!T C"'' C;Zero 6'''#!T C"'' 6FecalcoliformsandE.coliarebacteriawhosepresence T  indicatesthatthewatermaybecontaminatedwithhumanoranimalwastes.Microbesinthesewastescancauseshorttermeffects,suchasdiarrhea,cramps,nausea,headaches,orothersymptoms.Theymayposeaspecialhealthriskforinfants,youngchildren,someoftheelderly,andpeoplewithseverelycompromisedimmunesystems. E''6X   ''' CE2a.Turbidity(MCL)  W$  4      ׀ ;'',!D!C'' C;None ;'',!D"C"'' C;1NTU  W$  5      / D# 5NTU 6'''#!&C"'' 6Turbidityhasnohealtheffects.However,turbiditycaninterferewithdisinfectionandprovideamediumformicrobialgrowth.Turbiditymayindicatethepresenceofdiseasecausingorganisms.Theseorganismsincludebacteria,viruses,andparasitesthatcancausesymptomssuchasnausea,cramps,diarrheaandassociatedheadaches. E''6l-  ''' CE2b.Turbidity(SWTRTT)  W$  6      ׀ ;'',!4/C'' C;None ;'',!X0C"'' C;TT  W$  7       X1  6'''#!42C"'' 6Turbidityhasnohealtheffects.However,turbiditycaninterferewithdisinfectionandprovideamediumformicrobialgrowth.Turbiditymayindicatethepresenceofdiseasecausingorganisms.Theseorganismsincludebacteria,viruses,andparasitesthatcancausesymptomssuchasnausea,cramps,diarrheaandassociatedheadaches. E''60#9  ''' CE2c.Turbidity(IESWTRTT)  W$  8      ׀ ;'',!$H ;C'' C;None ;'',!$l<C"'' C;TT 6'''#!$l=C"'' 6Turbidityhasnohealtheffects.However,turbiditycaninterferewithdisinfectionandprovideamediumformicrobialgrowth.Turbiditymayindicatethepresenceofdiseasecausingorganisms.Theseorganismsincludebacteria,viruses,andparasitesthatcancausesymptomssuchasnausea,cramps,diarrheaandassociatedheadaches.H'''5D)$D  ''' CH B.SurfaceWaterTreatmentRule(SWTR)andInterimEnhancedSurfaceWaterTreatmentRule D  (IESWTR) O''@* C  ''' CO3.Giardialamblia   (SWTR/IESWTR)4.Viruses(SWTR/IESWTR)5.Heterotrophicplatecount(HPC)bacteria  W$  9       X$ (SWTR/IESWTR)6.Legionella(SWTR/IESWTR)7.Cryptosporidium(IESWTR) >''/!p C'' C>ЀZero ;'',! C'' C;  TT  W$  10      6'''#! C '' 6Inadequatelytreatedwatermaycontaindiseasecausingorganisms.Theseorganismsincludebacteria,viruses,andparasiteswhichcancausesymptomssuchasnausea,cramps,diarrhea,andassociatedheadaches. M''':X$  ''' CM C.InorganicChemicals(IOCs) Q''B*\ C  ''' CQ8.Antimony ^''O!|H C'' ~jtx?0.006C~jtx?^0.006 ''rD|H C" ~jtx?0.006 ~jtx?'' ~jtx?0.006C~jtx?0.006 Y'''FD|H C" ~jtx?0.006 ~jtx?'' YSomepeoplewhodrinkwatercontainingantimonywellinexcessoftheMCLovermanyyearscouldexperienceincreasesinbloodcholesterolanddecreasesinbloodsugar. E''6  ''' CE9.Arsenic  W$  11      O''@!C'' # CO0 q''b5C" # '' {Gz?0.01C{Gz?q0.01 X'''EC C" {Gz?0.01 {Gz?'' XSomepeoplewhodrinkwatercontainingarsenicinexcessoftheMCLovermanyyearscouldexperienceskindamageorproblemswiththeircirculatorysystem,andmayhaveanincreasedriskofgettingcancer. E''6\$  ''' CE10.Asbestos(>10m) ;'',!X%C'' C;7MFL  W$  12      ;'',!X&C"'' C;7MFL 6'''#!X'C"'' 6SomepeoplewhodrinkwatercontainingasbestosinexcessoftheMCLovermanyyearsmayhaveanincreasedriskofdevelopingbenignintestinalpolyps. E''6D*  ''' CE11.Barium Z''K!0 +C''  @2C@Z2 y''j@0 ,C"  @2 @''  @2C@y2 U'''B@0 -C"  @2 @'' USomepeoplewhodrinkwatercontainingbariuminexcessoftheMCLovermanyyearscouldexperienceanincreaseintheirbloodpressure. E''6!0  ''' CE12.Beryllium ^''O!"1C'' Mbp?0.004CMbp?^0.004 ''rD"2C" Mbp?0.004 Mbp?'' Mbp?0.004CMbp?0.004 Y'''FD"3C" Mbp?0.004 Mbp?'' YSomepeoplewhodrinkwatercontainingberylliumwellinexcessoftheMCLovermanyyearscoulddevelopintestinallesions. E''6$X6  ''' CE13.Cadmium ^''O!x%D7C'' {Gzt?0.005C{Gzt?^0.005 ''rDx%D8C" {Gzt?0.005 {Gzt?'' {Gzt?0.005C{Gzt?0.005 Y'''FDx%D9C" {Gzt?0.005 {Gzt?'' YSomepeoplewhodrinkwatercontainingcadmiuminexcessoftheMCLovermanyyearscouldexperiencekidneydamage. E''60'<  ''' CE14.Chromium(total) \''M!(=C'' ?0.1C?\0.1 }''nB(>C" ?0.1 ?'' ?0.1C?}0.1 W'''DB(?C" ?0.1 ?'' WSomepeoplewhousewatercontainingchromiumwellinexcessoftheMCLovermanyyearscouldexperienceallergicdermatitis. E''6)B  ''' CE15.Cyanide \''M!* CC'' ?0.2C?\0.2 }''nB* DC" ?0.2 ?'' ?0.2C?}0.2 W'''DB* EC" ?0.2 ?'' WSomepeoplewhodrinkwatercontainingcyanidewellinexcessoftheMCLovermanyyearscouldexperiencenervedamageorproblemswiththeirthyroid. E''6x,D"H  ''' CE16.Fluoride \''M! C'' @4.0C@\4.0 }''nBD C" @4.0 @'' @4.0C@}4.0 W'''DBD C" @4.0 @'' WSomepeoplewhodrinkwatercontainingfluorideinexcessoftheMCLovermanyyearscouldgetbonedisease,includingpainandtendernessofthebones.FluorideindrinkingwaterathalftheMCLormoremaycausemottlingofchildrensteeth,usuallyinchildrenlessthannineyearsold.Mottling,alsoknownasdentalfluorosis,mayinclude?+ 4 <DL!X?brownstainingand/orpittingoftheteeth,andoccursonlyindevelopingteeth,beforetheyeruptfromthegums. E''6$  ''' CE17.Mercury(inorganic) ^''O!C'' Mb`?0.002CMb`?^0.002 ''rDC" Mb`?0.002 Mb`?'' Mb`?0.002CMb`?0.002 Y'''FDC" Mb`?0.002 Mb`?'' YSomepeoplewhodrinkwatercontaininginorganicmercurywellinexcessoftheMCLovermanyyearscouldexperiencekidneydamage. E''6   ''' CE18.Nitrate [''L! C''  $@10C$@[10 {''lA C"  $@10 $@''  $@10C$@{10 V'''CA C"  $@10 $@'' VInfantsbelowtheageofsixmonthswhodrinkwatercontainingnitrateinexcessoftheMCLcouldbecomeseriouslyilland,ifuntreated,maydie.Symptomsincludeshortnessofbreathandbluebabysyndrome. E''6H   ''' CE19.Nitrite Z''K!4C''  ?1C?Z1 y''j@4C"  ?1 ?''  ?1C?y1 U'''B@4C"  ?1 ?'' UInfantsbelowtheageofsixmonthswhodrinkwatercontainingnitriteinexcessoftheMCLcouldbecomeseriouslyilland,ifuntreated,maydie.Symptomsincludeshortnessofbreathandbluebabysyndrome. E''6"  ''' CE20.TotalNitrateandNitrite [''L!\$C''  $@10C$@[10 {''lA%C"  $@10 $@''  $@10C$@{10 V'''CA&C"  $@10 $@'' VInfantsbelowtheageofsixmonthswhodrinkwatercontainingnitrateandnitriteinexcessoftheMCLcouldbecomeseriouslyilland,ifuntreated,maydie.Symptomsincludeshortnessofbreathandbluebabysyndrome. E''6$+  ''' CE21.Selenium ]''N! ,C'' ?0.05C?]0.05 ''pC -C" ?0.05 ?'' ?0.05C?0.05 X'''EC .C" ?0.05 ?'' XSeleniumisanessentialnutrient.However,somepeoplewhodrinkwatercontainingseleniuminexcessoftheMCLovermanyyearscouldexperiencehairorfingernaillosses,numbnessinfingersortoes,orproblemswiththeircirculation. E''6#L3  ''' CE22.Thallium _''P!l$84C'' Mb@?0.0005CMb@?_0.0005 ''sEl$85C" Mb@?0.0005 Mb@?'' Mb`?0.002CMb`?0.002 Y'''FDl$86C" Mb`?0.002 Mb`?'' YSomepeoplewhodrinkwatercontainingthalliuminexcessoftheMCLovermanyyearscouldexperiencehairloss,changesintheirblood,orproblemswiththeirkidneys,intestines,orliver. H'''5':  ''' CH&  D.LeadandCopperRule Q''B*';C  ''' CQ23.Lead ;'',!(<C'' C;Zero ;'',!(=C"'' C;TT  W$  13      6'''#!(>C"'' 6Infantsandchildrenwhodrinkwatercontainingleadinexcessoftheactionlevelcouldexperiencedelaysintheirphysicalormentaldevelopment.Childrencouldshowslightdeficitsinattentionspanandlearningabilities.Adultswhodrinkthiswaterovermanyyearscoulddevelopkidneyproblemsorhighbloodpressure.''| E''64-#D  ''' CE24.Copper \''M!D C'' ?1.3C?\1.3 \''MBD C" ?1.3 ?'' C\TT  W$  14      6'''#!D C"'' 6Copperisanessentialnutrient,butsomepeoplewhodrinkwatercontainingcopperinexcessoftheactionleveloverarelativelyshortamountoftimecouldexperiencegastrointestinaldistress.Somepeoplewhodrinkwatercontainingcopperinexcessoftheactionlevelovermanyyearscouldsufferliverorkidneydamage.PeoplewithWilsonsDiseaseshouldconsulttheirpersonaldoctor. M''':l8   ''' CM E.SyntheticOrganicChemicals(SOCs)   V Q''B*X$ C  ''' CQ25.2,4D ]''N!D C'' Q?0.07CQ?]0.07 ''pCD C" Q?0.07 Q?'' Q?0.07CQ?0.07 X'''ECDC" Q?0.07 Q?'' XSomepeoplewhodrinkwatercontainingtheweedkiller2,4DwellinexcessoftheMCLovermanyyearscouldexperienceproblemswiththeirkidneys,liver,oradrenalglands. E''6   ''' CE26.2,4,5TP(Silvex) ]''N! C'' ?0.05C?]0.05 ''pC C" ?0.05 ?'' ?0.05C?0.05 a'''NC C" ?0.05 ?'' aSomepeoplewhodrinkwatercontainingsilvexinexcessoftheMCLovermanyyearscouldexperienceliverproblems. N''?'|H   ''' CN27.Alachlor ;'',!h4 C'' C;Zero ^''O!h4 C"'' Mb`?0.002CMb`?^0.002 b'''ODh4 C" Mb`?0.002 Mb`?'' bSomepeoplewhodrinkwatercontainingalachlorinexcessoftheMCLovermanyyearscouldhaveproblemswiththeireyes,liver,kidneys,orspleen,orexperienceanemia,andmayhaveanincreasedriskofgettingcancer. N''?'  ''' CN28.Atrazine ^''O! C'' ~jth?0.003C~jth?^0.003 ''rD!C" ~jth?0.003 ~jth?'' ~jth?0.003C~jth?0.003 b'''OD"C" ~jth?0.003 ~jth?'' bSomepeoplewhodrinkwatercontainingatrazinewellinexcessoftheMCLovermanyyearscouldexperienceproblemswiththeircardiovascularsystemorreproductivedifficulties. N''?'|H&  ''' CN29.Benzo(a)pyrene(PAHs) ;'',!D(C'' C;Zero _''P!h4)C"'' -C6*?0.0002C-C6*?_0.0002 c'''PEh4*C" -C6*?0.0002 -C6*?'' cSomepeoplewhodrinkwatercontainingbenzo(a)pyreneinexcessoftheMCLovermanyyearsmayexperiencereproductivedifficultiesandmayhaveanincreasedriskofgettingcancer. N''?' .  ''' CN30.Carbofuran ]''N!!/C'' {Gz?0.04C{Gz?]0.04 ''pC!0C" {Gz?0.04 {Gz?'' {Gz?0.04C{Gz?0.04 a'''NC!1C" {Gz?0.04 {Gz?'' aSomepeoplewhodrinkwatercontainingcarbofuraninexcessoftheMCLovermanyyearscouldexperienceproblemswiththeirblood,ornervousorreproductivesystems. N''?'|$H5  ''' CN31.Chlordane ;'',!h%46C'' C;Zero ^''O!h%47C"'' Mb`?0.002CMb`?^0.002 b'''ODh%48C" Mb`?0.002 Mb`?'' bSomepeoplewhodrinkwatercontainingchlordaneinexcessoftheMCLovermanyyearscouldexperienceproblemswiththeirliver,ornervoussystem,andmayhaveanincreasedriskofgettingcancer. N''?''<  ''' CN32.Dalapon \''M!(=C'' ?0.2C?\0.2 }''nB(>C" ?0.2 ?'' ?0.2C?}0.2 `'''MB(?C" ?0.2 ?'' `SomepeoplewhodrinkwatercontainingdalaponwellinexcessoftheMCLovermanyyearscouldexperienceminorkidneychanges. N''?'*l B  ''' CN33.Di(2ethylhexyl)πadipate \''M! C'' ?0.4C?\0.4 }''nBD C" ?0.4 ?'' ?0.4C?}0.4 `'''MBD C" ?0.4 ?'' `Somepeoplewhodrinkwatercontainingdi(2ethylhexyl)adipatewellinexcessoftheMCLovermanyyearscouldexperiencegeneraltoxiceffectsor reproductivedifficulties. N''?'   ''' CN34.Di(2ethylhexyl)πphthalate ;'',!l C'' C;Zero ^''O!  C"'' ~jtx?0.006C~jtx?^0.006 b'''OD  C" ~jtx?0.006 ~jtx?'' bSomepeoplewhodrinkwatercontainingdi(2ethylhexyl)phthalateinexcessoftheMCLovermanyyearsmayhaveproblemswiththeirliver,orexperiencereproductivedifficulties,andmayhaveanincreasedriskofgettingcancer. N''?'4  ''' CN35.Dibromochloropropane(DBCP) ;'',! C'' C;Zero _''P! C"'' -C6*?0.0002C-C6*?_0.0002 Z'''GE C" -C6*?0.0002 -C6*?'' ZSomepeoplewhodrinkwatercontainingDBCPinexcessoftheMCLovermanyyearscouldexperiencereproductivedifficultiesandmayhaveanincreasedriskofgettingcancer. E''6   ''' CE36.Dinoseb ^''O!l C'' y&1|?0.007Cy&1|?^0.007 ''rDl C" y&1|?0.007 y&1|?'' y&1|?0.007Cy&1|?0.007 b'''ODl C" y&1|?0.007 y&1|?'' bSomepeoplewhodrinkwatercontainingdinosebwellinexcessoftheMCLovermanyyearscouldexperiencereproductivedifficulties. N''?'X$   ''' CN37.Dioxin(2,3,7,8TCDD) ;'',! "C'' C;Zero ;'',!D#C"'' C;3'108 ?''',!D$C"'' ?SomepeoplewhodrinkwatercontainingdioxininexcessoftheMCLovermanyyearscouldexperiencereproductivedifficultiesandmayhaveanincreasedriskofgettingcancer. N''?'(  ''' CN38.Diquat ]''N!)C'' {Gz?0.02C{Gz?]0.02 ''pC*C" {Gz?0.02 {Gz?'' {Gz?0.02C{Gz?0.02 a'''NC+C" {Gz?0.02 {Gz?'' aSomepeoplewhodrinkwatercontainingdiquatinexcessoftheMCLovermanyyearscouldgetcataracts. N''?'l-  ''' CN39.Endothall \''M!X.C'' ?0.1C?\0.1 }''nBX/C" ?0.1 ?'' ?0.1C?}0.1 `'''MBX0C" ?0.1 ?'' `SomepeoplewhodrinkwatercontainingendothallinexcessoftheMCLovermanyyearscouldexperienceproblemswiththeirstomachorintestines. N''?'D3  ''' CN40.Endrin ^''O!0 4C'' Mb`?0.002CMb`?^0.002 ''rD0 5C" Mb`?0.002 Mb`?'' Mb`?0.002CMb`?0.002 b'''OD0 6C" Mb`?0.002 Mb`?'' bSomepeoplewhodrinkwatercontainingendrininexcessoftheMCLovermanyyearscouldexperienceliverproblems. N''?'!9  ''' CN41.Ethylenedibromide ;'',!":C'' C;Zero `''Q!";C"'' -C6 ?0.00005C-C6 ?`0.00005 ['''HF"<C" -C6 ?0.00005 -C6 ?'' [SomepeoplewhodrinkwatercontainingethylenedibromideinexcessoftheMCLovermanyyearscouldexperienceproblemswiththeirliver,stomach,reproductivesystem,orkidneys,andmayhaveanincreasedriskofgettingcancer. E''6D&A  ''' CE42.Glyphosate \''M!0'BC'' ffffff?0.7Cffffff?\0.7 }''nB0'CC" ffffff?0.7 ffffff?'' ffffff?0.7Cffffff?}0.7 `'''MB0'DC" ffffff?0.7 ffffff?'' `SomepeoplewhodrinkwatercontainingglyphosateinexcessoftheMCLovermanyyearscouldexperienceproblemswiththeirkidneysorreproductivedifficulties. N''?'(G  ''' CN43.Heptachlor ;'',!)HC'' C;Zero _''P!)IC"'' -C6:?0.0004C-C6:?_0.0004 c'''PE)JC" -C6:?0.0004 -C6:?'' cSomepeoplewhodrinkwatercontainingheptachlorinexcessoftheMCLovermanyyearscouldexperienceliverdamageandmayhaveanincreasedriskofgettingcancer. N''?'h,4"N  ''' CN44.Heptachlorepoxide ;'',!D C'' C;Zero _''P!D C"'' -C6*?0.0002C-C6*?_0.0002 c'''PED C" -C6*?0.0002 -C6*?'' cSomepeoplewhodrinkwatercontainingheptachlor epoxideinexcessoftheMCLovermanyyearscouldexperienceliverdamage,andmayhaveanincreasedriskofgettingcancer. N''?'   ''' CN45.Hexachlorobenzene ;'',! C'' C;Zero ^''O!  C"'' MbP?0.001CMbP?^0.001 b'''OD  C" MbP?0.001 MbP?'' bSomepeoplewhodrinkwatercontaininghexachlorobenzeneinexcessoftheMCLovermanyyearscouldexperienceproblemswiththeirliverorkidneys,oradversereproductiveeffects,andmayhaveanincreasedriskofgettingcancer. N''?'4  ''' CN46.Hexachlorocyclopentadiene ]''N!C'' ?0.05C?]0.05 ''pC C" ?0.05 ?'' ?0.05C?0.05 a'''NC C" ?0.05 ?'' aSomepeoplewhodrinkwatercontaininghexachlorocyclopentadienewellinexcessoftheMCLovermanyyearscouldexperienceproblemswiththeirkidneysorstomach. N''?'   ''' CN47.Lindane _''P!l C'' -C6*?0.0002C-C6*?_0.0002 ''tEl C" -C6*?0.0002 -C6*?'' -C6*?0.0002C-C6*?0.0002 c'''PEl C" -C6*?0.0002 -C6*?'' cSomepeoplewhodrinkwatercontaininglindaneinexcessoftheMCLovermanyyearscouldexperienceproblemswiththeirkidneysorliver. N''?'X$   ''' CN48.Methoxychlor ]''N!DC'' {Gz?0.04C{Gz?]0.04 ''pCDC" {Gz?0.04 {Gz?'' {Gz?0.04C{Gz?0.04 a'''NCD C" {Gz?0.04 {Gz?'' aSomepeoplewhodrinkwatercontainingmethoxychlorinexcessoftheMCLovermanyyearscouldexperiencereproductivedifficulties. N''?'#  ''' CN49.Oxamyl(Vydate) \''M!$C'' ?0.2C?\0.2 }''nB%C" ?0.2 ?'' ?0.2C?}0.2 `'''MB&C" ?0.2 ?'' `SomepeoplewhodrinkwatercontainingoxamylinexcessoftheMCLovermanyyearscouldexperienceslightnervoussystemeffects. N''?'l)  ''' CN50.Pentachlorophenol ;'',!X*C'' C;Zero ^''O!X+C"'' MbP?0.001CMbP?^0.001 b'''ODX,C" MbP?0.001 MbP?'' bSomepeoplewhodrinkwatercontainingpentachlorophenolinexcessoftheMCLovermanyyearscouldexperienceproblemswiththeirliverorkidneys,andmayhaveanincreasedriskofgettingcancer. N''?' 0  ''' CN51.Picloram \''M! !1C'' ?0.5C?\0.5 }''nB !2C" ?0.5 ?'' ?0.5C?}0.5 `'''MB !3C" ?0.5 ?'' `SomepeoplewhodrinkwatercontainingpicloraminexcessoftheMCLovermanyyearscouldexperienceproblemswiththeirliver. N''?'"6  ''' CN52.Polychlorinatedbiphenyls(PCBs) ;'',!$X8C'' C;Zero _''P!#|9C"'' Mb@?0.0005CMb@?_0.0005 c'''PE#|:C" Mb@?0.0005 Mb@?'' cSomepeoplewhodrinkwatercontainingPCBsinexcessoftheMCLovermanyyearscouldexperiencechangesintheirskin,problemswiththeirthymusgland,immunedeficiencies,orreproductiveornervoussystemdifficulties,andmayhaveanincreasedriskofgettingcancer. N''?''@  ''' CN53.Simazine ^''O!(AC'' Mbp?0.004CMbp?^0.004 ''rD(BC" Mbp?0.004 Mbp?'' Mbp?0.004CMbp?0.004 b'''OD(CC" Mbp?0.004 Mbp?'' bSomepeoplewhodrinkwatercontainingsimazineinexcessoftheMCLovermanyyearscouldexperienceproblemswiththeirblood. N''?'*l F  ''' CN54.Toxaphene ;'',!D C'' C;Zero ^''O!D C"'' ~jth?0.003C~jth?^0.003 b'''ODD C" ~jth?0.003 ~jth?'' bSomepeoplewhodrinkwatercontainingtoxapheneinexcessoftheMCLovermanyyearscouldhaveproblemswiththeirkidneys,liver,orthyroid,andmayhavean increasedriskofgettingcancer. V'''C'   ''' CV& \ F.VolatileOrganicChemicals(VOCs) Q''B* C  ''' CQ55.Benzene ;'',!| C'' C;Zero ^''O!| C"'' {Gzt?0.005C{Gzt?^0.005 Y'''FD| C" {Gzt?0.005 {Gzt?'' YSomepeoplewhodrinkwatercontainingbenzeneinexcessoftheMCLovermanyyearscouldexperienceanemiaoradecreaseinbloodplatelets,andmayhaveanincreasedriskofgettingcancer.'\ ;a E''6D  ''' CE56.Carbontetrachloride ;'',!0C'' C;Zero ^''O!0C"'' {Gzt?0.005C{Gzt?^0.005 Y'''FD0C" {Gzt?0.005 {Gzt?'' YSomepeoplewhodrinkwatercontainingcarbontetrachlorideinexcessoftheMCLovermanyyearscouldexperienceproblemswiththeirliverandmayhaveanincreasedriskofgettingcancer. E''6   ''' CE57.Chlorobenzene(monochlorobenzene) \''M!X C'' ?0.1C?\0.1 }''nB| C" ?0.1 ?'' ?0.1C?}0.1 W'''DB| C" ?0.1 ?'' WSomepeoplewhodrinkwatercontainingchlorobenzeneinexcessoftheMCLovermanyyearscouldexperienceproblemswiththeirliverorkidneys. E''6h4   ''' CE58.oDichlorobenzene \''M!T C'' 333333?0.6C333333?\0.6 }''nBT C" 333333?0.6 333333?'' 333333?0.6C333333?}0.6 W'''DBT  C" 333333?0.6 333333?'' WSomepeoplewhodrinkwatercontainingodichlorobenzenewellinexcessoftheMCLovermanyyearscouldexperienceproblemswiththeirliver,kidneys,orcirculatorysystems. E''6$  ''' CE59.pDichlorobenzene ^''O!%C'' 333333?0.075C333333?^0.075 ''rD&C" 333333?0.075 333333?'' 333333?0.075C333333?0.075 Y'''FD'C" 333333?0.075 333333?'' YSomepeoplewhodrinkwatercontainingpdichlorobenzeneinexcessoftheMCLovermanyyearscouldexperienceanemia,damagetotheirliver,kidneys,orspleen,orchangesintheirblood. E''6h4+  ''' CE60.1,2Dichloroethane ;'',!T ,C'' C;Zero ^''O!T -C"'' {Gzt?0.005C{Gzt?^0.005 Y'''FDT .C" {Gzt?0.005 {Gzt?'' YSomepeoplewhodrinkwatercontaining1,2dichloroethaneinexcessoftheMCLovermanyyearsmayhaveanincreasedriskofgettingcancer. E''6 !1  ''' CE61.1,1Dichloroethylene ^''O!!2C'' y&1|?0.007Cy&1|?^0.007 ''rD!3C" y&1|?0.007 y&1|?'' y&1|?0.007Cy&1|?0.007 Y'''FD!4C" y&1|?0.007 y&1|?'' YSomepeoplewhodrinkwatercontaining1,1dichloroethyleneinexcessoftheMCLovermanyyearscouldexperienceproblemswiththeirliver. E''6#|7  ''' CE62.cis1,2 $h8 Dichloroethylene ]''N!x%D9C'' Q?0.07CQ?]0.07 ''pC$h:C" Q?0.07 Q?'' Q?0.07CQ?0.07 X'''EC$h;C" Q?0.07 Q?'' XSomepeoplewhodrinkwatercontainingcis1,2dichloroethyleneinexcessoftheMCLovermanyyearscouldexperienceproblemswiththeirliver. E''6T& >  ''' CE63.trans1,2 @' ? Dichloroethylene \''M!(@C'' ?0.1C?\0.1 }''nB@' AC" ?0.1 ?'' ?0.1C?}0.1 W'''DB@' BC" ?0.1 ?'' WSomepeoplewhodrinkwatercontainingtrans1,2dichloroethylenewellinexcessoftheMCLovermanyyearscouldexperienceproblemswiththeirliver. E''6(E  ''' CE64.Dichloromethane ;'',!)FC'' C;Zero ^''O!)GC"'' {Gzt?0.005C{Gzt?^0.005 Y'''FD)HC" {Gzt?0.005 {Gzt?'' YSomepeoplewhodrinkwatercontainingdichloromethaneinexcessoftheMCLovermanyyearscouldhaveliverproblemsandmayhaveanincreasedriskofgettingcancer. E''6x,D"L  ''' CE65.1,2Dichloropropane ;'',!D C'' C;Zero ^''O!D C"'' {Gzt?0.005C{Gzt?^0.005 Y'''FDD C" {Gzt?0.005 {Gzt?'' YSomepeoplewhodrinkwatercontaining1,2 dichloropropaneinexcessoftheMCLovermanyyearsmayhaveanincreasedriskofgettingcancer. E''6   ''' CE66.Ethylbenzene \''M! C'' ffffff?0.7Cffffff?\0.7 }''nB C" ffffff?0.7 ffffff?'' ffffff?0.7Cffffff?}0.7 W'''DB  C" ffffff?0.7 ffffff?'' WSomepeoplewhodrinkwatercontainingethylbenzenewellinexcessoftheMCLovermanyyearscouldexperienceproblemswiththeirliverorkidneys. E''6l   ''' CE67.Styrene \''M!X C'' ?0.1C?\0.1 }''nBXC" ?0.1 ?'' ?0.1C?}0.1 W'''DBXC" ?0.1 ?'' WSomepeoplewhodrinkwatercontainingstyrenewellinexcessoftheMCLovermanyyearscouldhaveproblemswiththeirliver,kidneys,orcirculatorysystem. E''6D  ''' CE68.Tetrachloroethylene ;'',!0C'' C;Zero ^''O!0C"'' {Gzt?0.005C{Gzt?^0.005 Y'''FD0C" {Gzt?0.005 {Gzt?'' YSomepeoplewhodrinkwatercontainingtetrachloroethyleneinexcessoftheMCLovermanyyearscouldhaveproblemswiththeirliver,andmayhaveanincreasedriskofgettingcancer. E''6   ''' CE69.Toluene Z''K!| C''  ?1C?Z1 y''j@| C"  ?1 ?''  ?1C?y1 U'''B@| C"  ?1 ?'' USomepeoplewhodrinkwatercontainingtoluenewellinexcessoftheMCLovermanyyearscouldhaveproblemswiththeirnervoussystem,kidneys,orliver. E''6h4   ''' CE70.1,2,4Trichlorobenzene ]''N!0!C'' Q?0.07CQ?]0.07 ''pCT "C" Q?0.07 Q?'' Q?0.07CQ?0.07 X'''ECT #C" Q?0.07 Q?'' XSomepeoplewhodrinkwatercontaining1,2,4trichlorobenzenewellinexcessoftheMCLovermanyyearscouldexperiencechangesintheiradrenalglands. E''6 &  ''' CE71.1,1,1Trichloroethane \''M!'C'' ?0.2C?\0.2 }''nB(C" ?0.2 ?'' ?0.2C?}0.2 W'''DB)C" ?0.2 ?'' WSomepeoplewhodrinkwatercontaining1,1,1trichloroethaneinexcessoftheMCLovermanyyearscouldexperienceproblemswiththeirliver,nervoussystem,orcirculatorysystem. E''6X-  ''' CE72.1,1,2Trichloroethane ^''O!xD.C'' ~jth?0.003C~jth?^0.003 ''rDxD/C" ~jth?0.003 ~jth?'' {Gzt?0.005C{Gzt?0.005 Y'''FDxD0C" {Gzt?0.005 {Gzt?'' YSomepeoplewhodrinkwatercontaining1,1,2trichloroethanewellinexcessoftheMCLovermanyyearscouldhaveproblemswiththeirliver,kidneys,orimmunesystems. E''6 !4  ''' CE73.Trichloroethylene ;'',!!5C'' C;Zero ^''O!!6C"'' {Gzt?0.005C{Gzt?^0.005 Y'''FD!7C" {Gzt?0.005 {Gzt?'' YSomepeoplewhodrinkwatercontainingtrichloroethyleneinexcessoftheMCLovermanyyearscouldexperienceproblemswiththeirliverandmayhaveanincreasedriskofgettingcancer. E''6$X;  ''' CE74.Vinylchloride ;'',!x%D<C'' C;Zero ^''O!x%D=C"'' Mb`?0.002CMb`?^0.002 Y'''FDx%D>C" Mb`?0.002 Mb`?'' YSomepeoplewhodrinkwatercontainingvinylchlorideinexcessoftheMCLovermanyyearsmayhaveanincreasedriskofgettingcancer. E''60'A  ''' CE75.Xylenes(total) [''L!(BC''  $@10C$@[10 {''lA(CC"  $@10 $@''  $@10C$@{10 V'''CA(DC"  $@10 $@'' VSomepeoplewhodrinkwatercontainingxylenesinexcessoftheMCLovermanyyearscouldexperiencedamagetotheirnervoussystem. M''':)G  ''' CM&  G.RadioactiveContaminants R''C+* HC  ''' CR76.Beta/photonemitters ;'',! C'' C;Zero ;'',!D C"'' C;4mrem/yr'<*  W$  15      6'''#! C"'' 6Certainmineralsareradioactiveandmayemitformsofradiationknownasphotonsandbetaradiation.Somepeoplewhodrinkwatercontainingbetaandphoton emittersinexcessoftheMCLovermanyyearsmayhaveanincreasedriskofgettingcancer. E''6    ''' CE77.Alphaemitters(Grossalpha) ;'',!|H C'' C;Zero ;'',!l C"'' C;15pCi/L  W$  16      6'''#!|HC"'' 6Certainmineralsareradioactiveandmayemitaformofradiationknownasalpharadiation.SomepeoplewhodrinkwatercontainingalphaemittersinexcessoftheMCLovermanyyearsmayhaveanincreasedriskofgettingcancer. E''6  ''' CE78.Combinedradium(226&228) ;'',! C'' C;Zero ;'',!C"'' C;5pCi/L 6'''#! C"'' 6Somepeoplewhodrinkwatercontainingradium226or228inexcessoftheMCLovermanyyearsmayhaveanincreasedriskofgettingcancer. @''1   ''' C@79.Uranium  W$  17      ;'',!l C'' C;zero ;'',!l C"'' C;30%g/l 6'''#!l C"'' 6SomepeoplewhodrinkwatercontaininguraniuminexcessoftheMCLovermanyyearsmayhaveanincreasedriskofgettingcancerandkidneytoxicity. M''':X$ "  ''' CM&    H.DisinfectionByproducts(DBPs),ByproductPrecursors,andDisinfectantResiduals:Where D# disinfectionisusedinthetreatmentofdrinkingwater,disinfectantscombinewithorganicandinorganicmatterpresentinwatertoformchemicalscalleddisinfectionbyproducts(DBPs).EPAsetsstandardsforcontrollingthelevelsofdisinfectantsandDBPsindrinkingwater,includingtrihalomethanes(THMs)andhaloaceticacids(HAAs).   W$  18      Q''B*'C  ''' CQ80.Totaltrihalomethanes(TTHMs) ;'',!X$*C'' C;N/A ;'',!l+C"'' C;0.10/0.080  W$  19      ,  W$  20       |H-  ?''',!X$.C"'' ?SomepeoplewhodrinkwatercontainingtrihalomethanesinexcessoftheMCLovermanyyearsmayexperienceproblemswiththeirliver,kidneys,orcentralnervoussystem,andmayhaveanincreasedriskofgettingcancer.'D I'':'42  ''' CI81.HaloaceticAcids(HAA) ;'',!!5C'' C;N/A ^''O! 6C"'' Q?0.060CQ?^0.060  W$  21      b'''OD 7C" Q?0.060 Q?'' bSomepeoplewhodrinkwatercontaininghaloaceticacidsinexcessoftheMCLovermanyyearsmayhaveanincreasedriskofgettingcancer. I'':'!:  ''' CI82.Bromate ;'',!";C'' C;Zero ^''O!"<C"'' {Gz?0.010C{Gz?^0.010 b'''OD"=C" {Gz?0.010 {Gz?'' bSomepeoplewhodrinkwatercontainingbromateinexcessoftheMCLovermanyyearsmayhaveanincreasedriskofgettingcancer. I'':'|$H@  ''' CI83.Chlorite ]''N!h%4AC'' {Gz?0.08C{Gz?]0.08 ~''oCh%4BC" {Gz?0.08 {Gz?'' ?1.0C?~1.0 `'''MBh%4CC" ?1.0 ?'' `SomeinfantsandyoungchildrenwhodrinkwatercontainingchloriteinexcessoftheMCLcouldexperiencenervoussystemeffects.SimilareffectsmayoccurinfetusesofpregnantwomenwhodrinkwatercontainingchloriteinexcessoftheMCL.Somepeoplemayexperienceanemia. I'':')I  ''' CI84.Chlorine ;'',!D C'' C;4#XGX%&8H#XXG(MRDLG)#XGX=#&8%XXG  W$  22          ;'',! C"'' C;4.0#XGX%&8#XXG(MRDL)#XGXl#&8%XXG  W$  23          ?''',! C"'' ?SomepeoplewhousedrinkingwatercontainingchlorinewellinexcessoftheMRDLcouldexperienceirritatingeffectstotheireyesandnose.SomepeoplewhodrinkwatercontainingchlorinewellinexcessoftheMRDL couldexperiencestomachdiscomfort. I'':'    ''' CI85.Chloramines ;'',!l C'' C;4#XGX%&8#XXG(MRDLG)#XGX6#&8%XXG ;'',!|HC"'' C;4.0#XGX%&8#XXG(MRDL)#XGX#&8%XXG |H  ?''',!C"'' ?SomepeoplewhousedrinkingwatercontainingchloramineswellinexcessoftheMRDLcouldexperienceirritatingeffectstotheireyesandnose.SomepeoplewhodrinkwatercontainingchloramineswellinexcessoftheMRDLcouldexperiencestomachdiscomfortoranemia. I'':'  ''' CI86a.Chlorinedioxide,whereany2consecutivedailysamplestakenattheentrancetothedistributionsystemareabovetheMRDL ;'',!$ C'' C;0.8#XGX%&8I#XXG(MRDLG)#XGX#&8%XXG ;'',! C"'' C;0.8#XGX%&8>#XXG(MRDL)#XGX#&8%XXG ?''',! !C"'' ?SomeinfantsandyoungchildrenwhodrinkwatercontainingchlorinedioxideinexcessoftheMRDLcouldexperiencenervoussystemeffects.SimilareffectsmayoccurinfetusesofpregnantwomenwhodrinkwatercontainingchlorinedioxideinexcessoftheMRDL.Somepeoplemayexperienceanemia.Addforpublicnotificationonly:Thechlorinedioxide ) violationsreportedtodayaretheresultofexceedancesatthetreatmentfacilityonly,notwithinthedistributionsystemwhichdeliverswatertoconsumers.Continuedcompliancewithchlorinedioxidelevelswithinthedistributionsystemminimizesthepotentialriskoftheseviolationstoconsumers. I'':'/  ''' CI86b.Chlorinedioxide,whereoneormoredistributionsystemsamplesareabovetheMRDL ;'',!`#,4C'' C;0.8#XGX%&8#XXG(MRDLG)#XGX#&8%XXG ;'',! 6C"'' C;0.8#XGX%&8a#XXG(MRDL)#XGX#&8%XXG ?''',!7C"'' ?SomeinfantsandyoungchildrenwhodrinkwatercontainingchlorinedioxideinexcessoftheMRDLcouldexperiencenervoussystemeffects.SimilareffectsmayoccurinfetusesofpregnantwomenwhodrinkwatercontainingchlorinedioxideinexcessoftheMRDL.Somepeoplemayexperienceanemia.Addforpublicnotificationonly:Thechlorinedioxide %? violationsreportedtodayincludeexceedancesoftheEPAstandardwithinthedistributionsystemwhichdeliverswatertoconsumers.Violationsofthechlorinedioxidestandardwithinthedistributionsystemmayharmhumanhealthbasedonshorttermexposures.Certaingroups,includingfetuses,infants,andyoungchildren,maybeespeciallysusceptibletonervoussystemeffectsfromexcessivechlorinedioxideexposure. I'':',"G  ''' CI87.ControlofDBP precursors(TOC) ;'',! C'' C;None ;'',!D C"'' C;TT ?''',!D C"'' ?Totalorganiccarbon(TOC)hasnohealtheffects.However,totalorganiccarbonprovidesamediumfortheformationofdisinfectionbyproducts.Thesebyproductsincludetrihalomethanes(THMs)andhaloaceticacids(HAAs).DrinkingwatercontainingthesebyproductsinexcessoftheMCLmayleadtoadversehealtheffects,liverorkidneyproblems,ornervoussystemeffects,andmayleadtoanincreasedriskofgettingcancer. Q'''>'H   ''' CQ& \ I.OtherTreatmentTechniques Q''B*4 C  ''' CQ88.Acrylamide ;'',! C'' C;Zero ;'',! C"'' C;TT 6'''#! C"'' 6Somepeoplewhodrinkwatercontaininghighlevelsofacrylamideoveralongperiodoftimecouldhaveproblemswiththeirnervoussystemorblood,andmayhaveanincreasedriskofgettingcancer.'\4 G'''6   ''' CG89.Epichlorohydrin =''',!l C''' C=Zero =''',!l C"''' C=TT 6''''#!l C"''' 6Somepeoplewhodrinkwatercontaininghighlevelsofepichlorohydrinoveralongperiodoftimecouldexperiencestomachproblems,andmayhaveanincreasedriskofgettingcancer..$"4  d '''' .#XGX%&8*# AppendixBEndnotes   D #   йA') xdE A  *ded4jZ@4vjZ@vv00@vjj@[\T$T$,Fdd ,[dd ,N dd +   y  6 XXGRevisionHistory  5 Date  ; Action  ; FederalRegisterCitation 8. ;  @36761 @824August2000 8.,   @36761  @ 8Createdtables    65FR26024(4May2000)asamendedby65FR40520(30June2000) 8. c  @36920@830January2001 8.,  @36920 @ 81)revisedentriesforbeta/photon,alphaemitters,andcombinedradium,andaddedentryforuranium2)revisedentryforarsenic  U  65FR76750(7December2000)66FR7065(22January2001) U   #XGX 6&#