WPC* ]L.(Oasc[sN d<( Ld# ؊'сوi[SUe__ p q0p(c%l ILP[ȣj" y9,iYOMGJGt>B[(S5`@ YDCS.ryI@6Iɉl$)VtGxCGV!}MFlv9r2}J ?0cֻԴHZa:>&eG-\!}i@0%.TTܼ qnb YT&m yKU1+݄_4sĆ[x.2_ ٹO)f&ɆցV_Ǜ[eU(zy+3)OR%zA4: S SBM~.DÂel=ܼ] kj"k&2}#jUN+ %y 0:U%NUNUFU^ w4 mN 0 0 B!!!!!! C!!!E!b!!!!! 0!f""""a""""""""""""""""""""""""""""""""""""""""""" D5"""b" B7#### B7F#F#F#F#F#F#F#F#F#F#F#F#F#F#F#F#F#F#F#F#F#F#F#F#F# i}#}#}#}#}#}#}#}#}#}#}#}#}#}#}#}#}#}#}#}#}#}#}#}#}#}#}#}#}#}#}#}#}#}#}#}# C,########################################################################################################################################f##a###########################################################################################################################################################################%%%%%%''%)\\US_EPA\p_icc_hp4000_2368bay$,,,,$0(9 Z6Times New Roman RegularX($USUS.,(hH  Z 6Times New Roman Regular(hH  Z6Times New Roman Regular<4 9Z+.Courier New Regular*r/L x/rsenic3|xU(2$ <'!HXXX  H     (3$ <'!HXXX  H      d dAppendix K- @; x0ChapterChapter0  %&j  W %&j(=TABLE A!!!!)!dxdxAppendix J- 3+0 d d d3+0 d d d`!(the usual d3TABLE A  )!XX!!   __XX__A!*) x0dEX.A_  __ԀArsenic_Ԁ_Guidance_--^81_August2002___  *!XX!!   __XX__A!*) x0dEX.A  _August2002_**S81_DraftArsenic_ԀGuidance  )!XX!!   _  A!*)Ex0dEExADraftforDiscussion  Arsenic_ԀGuidance@(#_August2002___  *!XX!!   _  ___A!*)<x0dE<xA__August2002_xx;(#_Arsenic_ԀGuidance !USUS.,  _XTXXX!XXT8&%dd8  +0x0  !    AppendixJP(#(# A!*) ``dE A  0  PrimacyRevision u Crosswalks0x ify j !!!  c(#(#    c+   Thispageintentionallyleftblank  n XXTRP$'3 Letter LandscapeX3' Letter'3 Letter Landscape3'T PrimacyRevisionCrosswalkfortheArsenicRule   *-!/ddd Xdd Xdd XX81X81,$$ ,9$$ ,Q$$ ,Q$$ ,$$ ,X$$ ,9 ,$$ ,dd ,R dd ,0dd +  -#xx - FederalRequirement * ," * Federal , Citation '" 'StateCitation(Document , title,Pagenumber,  Section/paragraph) 'l" ' Differentfromfed. , requirement?Explain   onseparatesheet 5hhd' l "  5#XTX!\#&   SubpartA"General  5hd'  hhd' 5 2hd' hd' 2 /hdd' hd' /'(  (hdd' ( 141.6 , Effectivedates  J   !XXTThearsenicMCLlistedin141.62iseffectiveforthepurposeofcomplianceon   January23,2006.RequirementsrelatingtoarsenicsetforthinSecs.141.23(i)(4),   141.23(k)(3)introductorytext,141.23(k)(3)(ii),141.51(b),141.62(b),141.62(b)(16), \  141.62(c),141.62(d),and142.62(b)revisionsinAppendixAofsubpartOforthe $t  consumerconfidencerule,andAppendicesAandBofsubpartQforthepublic <  notificationruleareeffectiveforthepurposeofcomplianceonJanuary23,2006.   However,theconsumerconfidencerulereportingrequirementsrelatingtoarseniclisted |  inSec.141.154(b)and(f)areeffectiveforthepurposeofcomplianceonFebruary22, D  2002.   \  141.6(j)            RegulationssetforthinSecs.141.23(i)(1),141.23(i)(2),141.24(f)(15),141.24(f)(22), h 141.24(h)(11),141.24(h)(20),142.16(e),142.16(j),and142.16(k)areeffectiveforthe 0 purposeofcomplianceonJanuary22,2004.B.` hp x (#XBӀ[Regulationshouldhaveincluded H 141.29(c)(9);unintentionalomission;optional.]   141.6(k)  h    h!  $hhdd h" $#XTX!r #&  SubpartC"MonitoringandAnalyticalRequirements +!l#hhdd  + 141.23 , Inorganicchemicalsamplingandanalyticalrequirements  $  !XXTContaminant , MCL Methodology0 4 044DetectionLimit p% Arsenic   , 0.0106 AtomicAbsorption; 8& 0  0,0 ,,Furnace0  04  0440.001' 0  0,0 ,,AtomicAbsorption;x(   0  0,0 ,,PlatformStabilized@)   0  0,0 ,,Temperature04  0440.00057X* 0  0,0 ,,AtomicAbsorption; +   0  0,0 ,,GaseousHydride04  0440.001, 0  0,0 ,,ICPMassSpectrometry0  0.00148  ԍ4- Ѐ  #` - #Tableto  p. 141.23(a)(4)(i)  8/    p0 '}   p1 6ThevalueforarseniciseffectiveJanuary23,2006.Untilthen,theMCLis0.05mg/L.B.` hp x (#XB d  7TheMDLreportedforEPAMethod200.9(AtomicAbsorption;PlatformStabilized , Temperature)wasdeterminedusinga2xconcentrationstepduringsampledigestion.   TheMDLdeterminedforsamplesanalyzedusingdirectanalyses(i.e.nosample X  digestion)willbehigher.Usingmultipledepositions,EPA200.9iscapableof   obtainingMDLof0.0001mg/L.  L 8Usingselectiveionmonitoring,EPAmethod200.8(ICPMS)iscapableofobtaininga   MDLof0.0001mg/L.  x  FootnotestoTable d  in141.23(a)(4)(i)  ,    d    d  Thefrequencyofmonitoringforarsenicshallbeinaccordancewithparagraph(c)of 8  thissection.[Waiverprovision;optional.]   141.23(a)(5)  8   8   8 Thefrequencyofmonitoringconductedtodeterminecompliancewiththemaximum \  contaminantlevelsin141.62forarsenicshallbeasfollows:[Waiverprovision; $  optional.]    141.23(c)  \    \    \  Allnewsystemsorsystemsthatuseanewsourceofwaterthatbeginoperationafter H  January22,2004,mustdemonstratecompliancewiththeMCLwithinaperiodoftime   specifiedbytheState.Thesystemmustalsocomplywiththeinitialsampling t  frequenciesspecifiedbytheStatetoensureasystemcandemonstratecompliancewith < theMCL.Routineandincreasedmonitoringfrequenciesshallbeconductedin h accordancewiththerequirementsinthissection.  0 141.23(c)(9)  H    H    H  Wheretheresultsofsamplingforarsenicindicateanexceedanceofthemaximum (! contaminantlevel,theStatemayrequirethatoneadditionalsamplebecollectedassoon T" aspossibleaftertheinitialsamplewastaken(butnottoexceedtwoweeks)atthesame # samplingpoint.  $ 141.23(f)(1)  (%   (&   (' Forsystemswhichareconductingmonitoringatafrequencygreaterthanannual, d compliancewiththemaximumcontaminantlevelsforarsenicisdeterminedbya , runningannualaverageatanysamplingpoint.Iftheaverageatanysamplingpointis   greaterthantheMCL,thenthesystemisoutofcompliance.Ifanyonesamplewould X  causetheannualaveragetobeexceeded,thenthesystemisoutofcompliance    immediately.Anysamplebelowthemethoddetectionlimitshallbecalculatedatzero  L forthepurposeofdeterminingtheannualaverage.Ifasystemfailstocollectthe   requirednumberofsamples,compliance(averageconcentration)willbebasedonthe x  totalnumberofsamplescollected.  @  141.23(i)(1)  d    d    d  Forsystemswhicharemonitoringannually,orlessfrequently,thesystemisoutof   compliancewiththemaximumcontaminantlevelforarsenicifthelevelofa d contaminantisgreaterthantheMCL.IfconfirmationsamplesarerequiredbytheState, ,  thedeterminationofcompliancewillbebasedontheannualaverageoftheinitialMCL X  exceedanceandanyStaterequiredconfirmationsamples.Ifasystemfailstocollectthe   requirednumberofsamples,compliance(averageconcentration)willbebasedonthe   totalnumberofsamplescollected.  L  141.23(i)(2)         Arsenicsamplingresultswillbereportedtothenearest0.001mg/L.    141.23(i)(4)         "   ^"Contaminant   Methodology13 *  *EPA ' 'ASTM3 ' 'SM4 ( (Tableto   141.23(k)(1) * z!II * * "(( * <2%#((  ^ <Arsenic14 +!t$ +InductivelyCoupled t% Plasma15 ND<& fffff1@2200.7fffff1@N2200.7 J@;t' fffff1@2200.7 fffff1@ J 't( '3120B (t) (  b)   b)  )b)   ) +!(* +ICPMassSpectrometry ND(+ 1@2200.81@N2200.8 J@;(, 1@2200.8 1@ J '(- ' ((. (  .   .  ).   ) +!/ +AtomicAdsorption; 0 Platform NDx1 1@2200.91@N2200.9 J@;2 1@2200.9 1@ J '3 ' (4 (  4   4  )4   ) +!d5 +AtomicAdsorption; d6 Furnace * ,7 * 'd8 'D2972 d9 93C ',: '3113B (d; (  R;   R;  )R;   ) +!|< +HydrideAtomic |= Adsorption * D> * '|? 'D2972 |@ 93B 'DA '3114B (|B (  jB   jB  "jB   "B.` hp x (#XB#!,!=#_,!14#!,_2#!,!IfultrasonicnebulizationisusedinthedeterminationofarsenicbyMethods200.7, d  200.8,orSM3120B,thearsenicmustbeinthepentavalentstatetoprovideuniform , signalresponse.Formethods200.7and3120B,bothsamplesandstandardsmustbe   dilutedinthesamemixedacidmatrixconcentrationofnitricandhydrochloricacidwith X  theadditionof100%Lof30%hydrogenperoxideper100mlofsolution.Fordirect   analysisofarsenicwithmethod200.8usingultrasonicnebulization,samplesand  L standardsmustcontainonemg/Lofsodiumhypochlorite.    FootnotestoTable d to141.23(k)(1)  ,    d    d  Samplecollectionforarsenicunderthissectionshallbeconductedusingthesample  p  preservation,container,andmaximumholdingtimeproceduresspecifiedbelow:  8  141.23(k)(2)   p    p    p Contaminant , Preservative1  4 Container2  Time3 0 Arsenic , ConcHNO3topH<2 4 PorG  6mo. \  1ForcyanidedeterminationssamplesmustbeadjustedwithsodiumhydroxidetopH12   atthetimeoffcollection.Whenchillingisindicatedthesamplemustbeshippedand P  storedat4deg.Corless.Acidificationofnitrateormetalssamplesmaybewitha |  concentratedacidoradilute(50%byvolume)solutionoftheapplicableconcentrated D  acid.Acidificationofsamplesformetalsanalysisisencouragedandallowedatthe   laboratoryratherthanatthetimeofsamplingprovidedtheshippingtimeandother p instructionsinSection8.3ofEPAMethods200.7or200.8or200.9arefollowed.B.` hp x (#XB 8 2P=plastic,hardorsoft;G=glass,hardorsoft. d 3Inallcasessamplesshouldbeanalyzedassoonaftercollectionaspossible. , Followadditional(ifany)informationonpreservation,containers,orholdingtimesthat  isspecifiedinmethod.  X Tableto 0 141.23(k)(2)  \    0!   0" [Analysisunderthissectionshallonlybeconductedbylaboratoriesthathavebeen # certifiedbyEPAortheState.] |$ Toreceivecertificationtoconductanalysesforarsenic,thelaboratorymust:  D% 141.23(k)(3)  &   '   ( [Achievequantitativeresultsontheanalysesthatarewithinthefollowingacceptance ) limits:]  h* [141.23(k)(3)(ii)]  +   ,   - Contaminant0 , 0 ,,AcceptanceLimitd    Arsenic0  0, 30at0.003mg/L,,, [SomeStatesadoptthisbyreference;ifso,Statesshouldsubmitnecessarypaperwork.]    Tableto d 141.23(k)(3)(ii)  ,   d   d #XTX!i#&  141.24 , Organicchemicalsotherthantotaltrihalomethanes,samplingandanalyticalmethods ' vA   P  !XXTSystemsmonitoringannuallyorlessfrequentlywhosesampleresultexceedstheMCL n   mustbeginquarterlysampling.Thesystemwillnotbeconsideredinviolationofthe 6   MCLuntilithascompletedoneyearofquarterlysampling.   b  141.24(f)(15)(ii)  n     n     n  Ifasystemfailstocollecttherequirednumberofsamples,compliancewillbebasedon Z thetotalnumberofsamplescollected.  " 141.24(f)(15)(iv)  Z   Z   Z Ifasampleresultislessthanthedetectionlimit,zerowillbeusedtocalculatethe ~  annualaverage.  F  141.24(f)(15)(v)  ~    ~    ~  Allnewsystemsorsystemsthatuseanewsourceofwaterthatbeginoperationafter   January22,2004,mustdemonstratecompliancewiththeMCLwithinaperiodoftime j  specifiedbytheState.Thesystemmustalsocomplywiththeinitialsampling 2  frequenciesspecifiedbytheStatetoensureasystemcandemonstratecompliancewith ^ theMCL.Routineandincreasedmonitoringfrequenciesshallbeconductedin & accordancewiththerequirementsinthissection.   141.24(f)(22)           ! Systemsmonitoringannuallyorlessfrequentlywhosesampleresultexceedsthe J" regulatorydetectionlevelasdefinedbyparagraph(h)(18)ofthissectionmustbegin # quarterlysampling.ThesystemwillnotbeconsideredinviolationoftheMCLuntilit v$ hascompletedoneyearofquarterlysampling.  >% 141.24(h)(11)(ii)  J&   J'   J( Ifasystemfailstocollecttherequirednumberofsamples,compliancewillbebasedon ) thetotalnumberofsamplescollected.  b* 141.24(h)(11)(iv)  +   ,   - Allnewsystemsorsystemsthatuseanewsourceofwaterthatbeginoperationafter d  January22,2004, mustdemonstratecompliancewiththeMCLwithinaperiodoftime , specifiedbytheState.Thesystemmustalsocomplywiththeinitialsampling    frequenciesspecifiedbytheStatetoensureasystemcandemonstratecompliancewith X  theMCL.Routineandincreasedmonitoringfrequenciesshallbeconductedin   accordancewiththerequirementsinthissection.   L 141.24(h)(20)  d   d  $hhdd d  $#XTX!'B#&  SubpartF"MaximumContaminantLevelGoals +!D  hhdd  + 141.51 , Maximumcontaminantlevelgoalsforinorganiccontaminants  *   !XXTContaminant , MCLG(mg/L) H  Arsenic , zero1  t  Tableto H 141.51(b)  t    H 'D N  H 1ThisvalueforarseniciseffectiveJanuary23,2006.Untilthen,thereisnoMCLG.  l  FootnotetoTable l  to141.51(b)  4    l   $hhdd l  $#XTX!N#&  SubpartG"NationalRevisedPrimaryDrinkingWaterRegulations:MaximumContaminantLevels +! hhdd  + 141.60 , Effectivedates ! v  !!XXTTheeffectivedatefor141.62(b)(16)isJanuary23,2006.    141.60(b)(4)      ''Q   & J #XTX!R#141.62 , MCLsforinorganiccontaminants!XT  ,  Themaximumcontaminantlevelsforinorganiccontaminantsspecifiedinparagraphs  (b)(2)(6),(b)(10),and(b)(11)(16)ofthissectionapplytocommunitywatersystems v andnontransient,noncommunitywatersystems.  >  141.62(b)  !   " 'J,S  # Contaminant0 ,  MCL(mg/L)$,, (16)Arsenic0 ,  0.010 "b%,, "Tableto & 141.62(b)  b'   (   )   BATforInorganicCompoundsListedinSection141.62(B) [Variances;optional.] d  :VChemicalname0 ,  BAT(s),,, Arsenic40 , 0 ,, 1,2,5,6,7,9,125 "    "Tableto d 141.62(c)  ,   d   d 4.BATsforArsenicV.PreoxidationmayberequiredtoconvertArsenicIIItoArsenic  P V.[Variances;optional.]    5.Toobtainhighremovals,irontoarsenicratiomustbeatleast20:1.B.` hp x (#XBӀ[Variances; |   optional.]  D   FootnotestoTable  P  to141.62(c)        P    P KeytoBATsinTable[Variances;optional.]  1=ActivatedAlumina h 2=Coagulation/Filtration(notBATforsystems<500serviceconnections)B.` hp x (#XB 0 5=IonExchange \  6=LimeSoftening(notBATforsystems<500serviceconnections) $  7=ReverseOsmosis   9=Electrodialysis P  12=Oxidation/Filtration  |  KeytoBATsin  Tableto h 141.62(c)  0     $hhdd  $#XTX!oS#&   SubpartO"ConsumerConfidenceReports  +!t hhdd  + 141.154  ,  Requiredadditionalhealthinformation   Z  !XXTEndinginthereportduebyJuly1,2001,asystemwhichdetectsarsenicatlevelsabove x 0.025mg/L,butbelowthe0.05mg/L,andbeginninginthereportduebyJuly1,2002, @  asystemthatdetectsarsenicabove0.005mg/Landuptoandincluding0.010mg/L:B.` hp x (#XB  l! 141.154(b)  x"   x# 't\  x$ Mustincludeinitsreportashortinformationalstatementaboutarsenic,usinglanguage d% suchas:WhileyourdrinkingwatermeetsEPA'sstandardforarsenic,itdoescontain ,& lowlevelsofarsenic.EPA'sstandardbalancesthecurrentunderstandingofarsenic's X' possiblehealtheffectsagainstthecostsofremovingarsenicfromdrinkingwater.EPA  ( continuestoresearchthehealtheffectsoflowlevelsofarsenic,whichisamineral ) knowntocausecancerinhumansathighconcentrationsandislinkedtootherhealth L* effectssuchasskindamageandcirculatoryproblems.B.` hp x (#XB   x+ 141.154(b)(1)  d,   d-   d. BeginninginthereportduebyJuly1,2002,andendingJanuary22,2006,acommunity d  watersystemthatdetectsarsenicabove0.010mg/Landuptoandincluding0.05mg/L , mustincludethearsenichealtheffectslanguageprescribedbyAppendixAtoSubpart   O.B.` hp x (#XB  X  141.154(f)  d   d   d &   #XTX!]#AppendixAtoSubpartORegulatedContaminants!XT  (!    (Contaminant 6   (units) @!/! b "! @Traditional 6   MCLin  b  mg/L0 @ D!3!* "! DTo 6  convert  b for * CCR,  multiply V by C!2$ "! CMCL 6  in  b CCR * units @!/!"! @MCLG @!/!6 "! @Major 6  sourcesin  b drinking * water @!/!"! @Healtheffects 6  language 1'! b"! 1Tableto 6  AppendixAto  b  SubpartO *!  * V#"< * * 6 $"tt= * )6 %"tt> )Inorganic z & contaminants: 'B ' ' +!z ( + * z ) * 'z * ' 'z + ' 'z , ' (z - (  z -   z -   z - Arsenic(ppb) TJ . Q$@10.010Q$@T10.010 xD /" Q$@10.010 Q$@ @@1000@@10000 @' ~tE 0" @@1000 @@ [@110[@~110 yoA 1" [@110 [@  $@10$@y10 XN@ 2"  $@10 $@ XErosionof  3 natural f 4 deposits; .5 Runoff Z6 from "7 orchards; 8 runofffrom N9 glassand z: electronics B; production  < wastes. 9/!n=" 9Somepeoplewho  > drinkwater f ? containingarsenicin .@ excessoftheMCL ZA overmanyyears "B couldexperienceskin C damageorproblems ND withtheircirculatory zE system,andmayhave BF anincreasedriskof  G gettingcancer. 1'!nH" 1  : H   : H   : H ' d1.ThesearsenicvaluesareeffectiveJanuary23,2006.Untilthen,theMCLis0.05 .I mg/LandthereisnoMCLG.  J FootnotestoTable .K toAppendixA  L   .M  $hhdd .N $#XTX!Ie#& H   SubpartQ"PublicNotification  +!dhhdd  + AppendixAtoSubpartQNPDWRViolationsandOtherSituationsRequiringPublicNotice1 $    $!XXT D!3! h" DMCL/MRDL/TT  h violations2 G!6$ 0"! GMonitoring&testingprocedure  h violations @6$ 0"! @AppendixAto  h SubpartQ,  0  I.B.2 ND2  : N ND2 h WW: N Q!@2 h WW: Q D!3!(  "! DTierofpublic (  noticerequired G!6$ T"! GCitation @ G!6$( "! GTierofpublic (  noticerequired C!2$ T"! CCitation =3!( "! = 7- ( 7 7- ( 7 3) ( 3B.Inorganic L Chemicals x (IOCs) =3!@  = @6$L" @ @6$L" @ <2$L" < 1'!L" 1  L   L  $ L $2.Arsenic \R!8   @2@\2 @  ^TB8 "  @2 @ ^8141.62(b) _U$8 "  @3@_3 @ ZPB8 "  @3 @ Z9141.23(a),(c) =3!8 " = 7-8  7 7-8  7 7-8  7Redesignateendnotes8through17asendnotes10through19inthetableandattheend   ofthetable. <2$\ ! <AppendixAto  " SubpartQ, \ # I.B.2 9/!$ $ 9 9/! % 9 =3! & ='Hr8.ThearsenicMCLcitationsareeffectiveJanuary23,2006.Untilthen,thecitationsare ' Sec.141.11(b)andSec.141.23(n). H( 9.ThearsenicTier3violationMCLcitationsareeffectiveJanuary23,2006.Untilthen, t) thecitationsareSec.141.23(a),(l). <2$<* <Footnotesto + AppendixA H, I.B.2 9/!t- 9 9/!. 9 1'!/ 1& n   #XTX!s#AppendixBtoSubpartQStandardHealthEffectsLanguageforPublicNotification!XT   d  *X  XX*Contaminant ,   0 Arsenic11    MCLG1(mg/L)0 , 0,, 0J  MCL2(mg/L)0 , 0,, 0.010 v Standardhealtheffectslanguageforpublicnotification:0  0< << SomepeoplewhodrinkwatercontainingarsenicinexcessoftheMCLovermany j  yearscouldexperienceskindamageorproblemswiththeircirculatorysystem,andmay 2 haveanincreasedriskofgettingcancer.  ^  + XX  X,+Tableto    AppendixBto J   SubpartQ   v           1.MCLGMaximumcontaminantlevelgoal. V 2.MCLMaximumcontaminantlevel.   11.ThesearsenicvaluesareeffectiveJanuary23,2006.Untilthen,theMCLis0.05 J  mg/LandthereisnoMCLG.B.` hp x (#XB    FootnotestoTable V toAppendixBto   SubpartQ  J    V  V E 'n \ & ' Ї#!!2##XTX!#*01!5 d Fd$$ 9$$ 9Q$$ QQ$$ Q$$ X$$ X9 9$$ dd R dd R 0dd 0-!/X81X810,%dd ,Sdd , dd ,dd +  )` `  )1"XT FederalRequirement ' " ' FederalCitation ' " 'StateCitation(Documenttitle,    Pagenumber,Section/paragraph) 'v  " ' Differentfromfed.    requirement? v   Explainonseparate ( x  sheet #XTX"h1# 2hhdd *"  2& N  Part142"NationalPrimaryDrinkingWaterRegulationsImplementation 6hdd! phhdd 6 SubpartB"PrimaryEnforcementResponsibility  +! hdd + 142.16 ! SpecialPrimacyRequirements  $t  !XXTAnapplicationforapprovalofaStateprogramrevisionwhichadoptsthe   requirementsspecifiedin141.11,141.23,141.24,141.32,141.40,141.61and n  141.62foranewlyregulatedcontaminantmustcontainthefollowing(inadditionto 6 thegeneralprimacyrequirementsenumeratedelsewhereinthispart,includingthe N requirementthatStateregulationsbeatleastasstringentasthefederalrequirements):   142.16(e)        'N     [reserved]  "r 142.16(i)  "r   "r   "r AnapplicationforapprovalofaStateprogramrevisionwhichadoptsthe ~ requirementsspecifiedin141.11,141.23,141.24,141.32,141.40,141.61and F 141.62foranexistingregulatedcontaminantmustcontainthefollowing(inaddition ^  tothegeneralprimacyrequirementsenumeratedelsewhereinthispart,includingthe &! requirementthatStateregulationsbeatleastasstringentasthefederalrequirements):  " 142.16(j)  ~#   ~$   ~% IfaStatechoosestoissuewaiversfromthemonitoringrequirementsin141.23, pd 141.24,and141.40,theStateshalldescribetheproceduresandcriteriawhichitwill 8 , usetoreviewwaiverapplicationsandissuewaiverdeterminations.TheStateshall   providethesameinformationrequiredin142.16(e)(1)(i)and(ii).Statesmay   updatetheirexistingwaivercriteriaorusetherequirementssubmittedunderthe   NationalPrimaryDrinkingWaterRegulationsfortheinorganicandorganic X L  contaminants(i.e.PhaseII/Vrule)in16(e)ofthissection.Statesmaysimplynotein   theirapplicationanyrevisionstoexistingwaivercriteriaornotethatthesame   procedurestoissuewaiverswillbeused.    142.16(j)(1)  pd    pd    pd  AmonitoringplanbywhichtheStatewillensureallsystemscompletetherequired    monitoringbytheregulatorydeadlines.Statesmayupdatetheirexistingmonitoring  planorusethesamemonitoringplansubmittedundertheNationalPrimaryDrinking   WaterRegulationsfortheinorganicandorganiccontaminants(i.e.PhaseII/Vrule) dX  in16(e)ofthissection.Statesmaysimplynoteintheirapplicationanyrevisionsto ,  anexistingmonitoringplanornotethatthesamemonitoringplanwillbeused.The   StatemustdemonstratethatthemonitoringplanisenforceableunderStatelaw.    142.16(j)(2)        #XTX!9#    !XXTStatesestablishtheinitialmonitoringrequirementsfornewsystemsandnewsources.   Statesmustexplaintheirinitialmonitoringschedulesandhowthesemonitoring  schedulesensurethatpublicwatersystemsandsourcescomplywithMCLsand  monitoringrequirements.Statesmustalsospecifythetimeframeinwhichnew pd systemswilldemonstratecompliancewiththeMCLs.  8, 142.16(k)        #XTX!#    & \ 142.62 ! Variancesandexemptions  pd !XXT  BATforInorganicCompoundsListedin141.62(B)    Chemicalname0 ! 0y !!0 y y BAT(s)    Arsenic40 ! 0y !!0 y y 51,2,5,6,7,9,12  v   Tableto   142.62(b)        #XTX!y#    {!XXT4.BATsforArsenicV.PreoxidationmayberequiredtoconvertArsenicIIIto    ArsenicV.    5.Toobtainhighremovals,irontoarsenicratiomustbeatleast20:1.#XTX!v#B.` hp x (#XB  nb   !XXTFootnotestoTableto    142.62(b)#XTX!#         '\p   { !XXTKeytoBATsinTable YM 1=ActivatedAlumina !  2=Coagulation/Filtration(notBATforsystems<500serviceconnections)   5=IonExchange   6=LimeSoftening(notBATforsystems<500serviceconnections) ym  7=ReverseOsmosis A5  9=Electrodialysis    12=Oxidation/Filtration#XTX!#    !XXTKeytoBATsin YM Tableto !  142.62(b)#XTX!#      YM  YM XTXXXT!XXT#!!}##XTX!#