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<br /> Con#aminant �CI,or 1TT potential neai4h efiEects fram ;Comman si�utsGe�Qfi Publtc
<br /> ^ m II.2 e�tposurea6ove the titC1 �ontamina�in dnnlan:g water Hsait��rcal
<br /> . _ .. .
<br /> � Vinyk chloride 0.002 Increased risk of cancer Leaching from PVC pipes; zero
<br /> -------________._... ___..._.. ---------.----._�._.._---.___._._._..............
<br /> dischar e from iastic factories
<br /> Viruses(enteric) 7T3 Gastrointestinaf illness(e.g.,diarrhea, Human and animal fecal waste zero
<br /> vomitin ,cram s
<br /> Xylenes(tofal) 10 Nervous system damage Discharge from petroleum 10
<br /> • faclories;dischargefrom
<br /> chemical factories
<br /> NOTES
<br /> � oar,.,�e�,5
<br /> • Mazimam Cor,taminant level Goai(iACIG)—The lovei of a coMaminanf In drinkk�g wa[or 6elow wtiich thare is na krown oroxpactod risk to healih.MCLGs allow for a margia of safely and aw non-enbroeable puMb beallh goais.
<br /> • Marrmum Contaminant tavel(MCL)=fhe highesf level of a caMaminant that is�lowed in dnnkir�g water.fACLe are eet as dota to MCLGs as feaaWe usinp Ihe besl avai!able Ireafinenl lechnWog;and faking cc�!into
<br /> oonsidwation.Mq.s are eoforoeable sl�dards.
<br /> • MaximumRe�idux{r�'�sin!ec!en!Le��!G21;MRQlG�—The!evelofadrhkingHa�erdisinfectant6c�axwhichthereisnoknow�+.oreraeck�rieic!ehea!Lh.MRC7r,�donelre1H.11het�enefitsofthau.iotdiyM1{��tetoamhd
<br /> miaobiatcon�aminan�s.
<br /> • Maximum Residual Disinfectani Level(MRDL�'f he highesl!evel of a disinfeclaM allowed in drirrking waler.There is convindng evidence that addition of a disinfedant is necassary ta oontrd W micro6ial mntaminants.
<br /> • Treaiment�fachnique(T'1'J—A required procesc inlended fo raduca the leval of a oontaminant in dnnking waler.
<br /> 2 Urwts ara in miliigrams per kter(mpfL)ualeu othervrise no:ed.MiUlararns per lilerare eouivalent to patls per milliar(ppm).
<br /> 3 CPA's surface watar t�salment rules require sysLOms using 6utlace watof a gFOUnd walar under the drscl in9uence of sudaca water lo(7)dlsinfscllheir water,and(2)fl;er iheir water a meet cnteria ta avading fdtration so thaUhe
<br /> folbwing cortaminants are controNOQ al ihe foAav,ng favols:
<br /> • Gyptosporidrum(asofi11p2forsysfemsserung>tO,OWartd7M4N5(orsys!emsserv�ng<10,000)99%removaE.
<br /> • Giprdlalnmbfle;99.9%removalfnac(ivation
<br /> • 4imses:99.09%rertwvalhne�6vatian
<br /> • LegioneUa'No limit,6ut FPA be4ieres�ha�if 6iaro7e and viruaos afe removedlinac�vated,legbneNe will a'sc 6e controded.
<br /> � Tuibi6�y:Al no time can Wrbidily lcto�dinesp of watel)go aboV9 5 napheldomotric IurGidiEy�rcts(NTU);syslems ifiat filWr mus(onsure tl�at the iubidity go no Idgher Ihan 1 NTU(0.5 NYU kr oonvenfbnal or dired fiftratloni In
<br /> at least 95%of the dairy samples in any mcnih.As of Jarn:ary i,7.G07.,for syslems servicir.g>70,000,and January 14,1U05,fa systnms snrvicirq<70,000,tur6id�ty may nover exoeed 1 NTU,and must not ex�eed 0.3 N7U in
<br /> 95%d Jaily b:tnA�es in wiy murdh,
<br /> • HPC:No mae Ihar.500 bac(erial colonies per r.aiqiliter
<br /> • !ong Term 1 Enhanced Surface WaSer TreaUnent jEtfective Dale:Jaru:ary?4,4005);Sudaee water systems or(G'NU�I)syslemc servinQ tevrer Ihan t0,P00 peopte m:st comply wlLh ihe applicab!o iang Tarm 1 LMancad
<br /> Surface Water Trea(ment Rulo ppvisians�e.g.lurb�di�y standards,indihdual 61ter monitaing,Crypfosporidiumrertwval requiremonts,updaled walerahed cmkd req�remenls for unidlered systerns�.
<br /> • Filter 6adcwash Recyding:The Filla liackwesh Rocycling Rule requires systema lhat recycle b ratum specific recycle Aows Ihrough ali proaesses of the system's existing conver.lional o�d'Neot Ntrelion sydcm a al an�temale
<br /> loeatan approved 6y the sla;e.
<br /> 4 No more fhan 5.0%samples lolal colllwm-DOrotive In a mortlh.{For waler syslems eha!colled fewer Ihan 40 routlne sampWs per mmN,no rrwre(han ona sampb can be total collfam-positive per manlh.)Evary sampte thal has to(ai
<br /> coiform mus�bo anatyzed for oitFe,r lecal cdifoimF or E.cali if hvo crosewtive iC-posiive samplea,and me is also posilive for E.co6iec21 cditerms,syslam has an acute MCL vioiation.
<br /> 5 Feoal cdibrm�d E.eo6 are baMaria whosa presence indiceles Ihat Ne waler may be conteminaled with hunan or animat wesles.Oisease�causing mirnobes(palhogens)in Ihese waslas can cause diarrhoa,cramps,nausoa,
<br /> headaches,w dhar symploms.'ihese paihogens may posa a special heaNh risk for infanls,young children,and people wlih severdy compromised immune systems.
<br /> 8 ANhaugh thera is no collactivo MCLG for this contartdnant gtoup,lhere aro individual MCLGs for some ol lha individual conlaminan(s:
<br /> • Haloacetic xids:diehlaoacetic acid(xero);Vichloroxelic xid(0.3 myL)
<br /> • Tnhalomelhanes:hrar:afchlorome'hana(zara};bromokrm(zaro�;diGromochlaome�hane(O.Ofi mglL)
<br /> -� --��--- --�-�7��Esad�and-copperarere{y�latedbya'Gea4nenhTechnipualhatrequiressyslemstocontrolihemrmsiveness�ol!heirwafer:Ifmorehao-l0%aftap-�va(ersampresexcae6the�xlionleveF,walersys!emsmustlakoaddifionaisleps--�----� -��-��----
<br /> Fa copper,the actlon Ievel is 7.3 mp/L,and for lead Is 0.015 rtglL
<br /> 8 Eaehwatersystemmustcertily,inwriling,tofhmstaleEusing?him-partyormanutacl�rerseerliFcalionythatwhenilusesacrylamideandlarepichlorohyCrnto�realwater,lhecom5inatb�(orproduc!)oideseardmonanetlevaldoes
<br /> rrot exceed:he levela specified,as folbws:Acrylam�de=OAS%deaed al 7 mg/L(a aquivaleni);'r.pchVorohydrin=0.0196 dosad at 20 mglL(or equivalenQ.
<br /> LEGEMD
<br /> � Dinsinfectant • Inorganic Chemical � Organic Chemical
<br /> a•`•.' Qisinfeclion Byproduct � Microorgaaism � Radlawclldes 5
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