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<br /> <br /> <br />I6CmE5GREW1l-lE I~TANCE <br />~ A SA,J;E WATER' '5UPPLY BECM'\E <br />lNCR€A-s.lNGLY APPARENT. <br /> <br />IN lOO5l.ASORATORYEXAMIN- <br />ATION OJ:' LONClC::>>'>l'& warEk' <br />9lJPPl..V ~IRST ~WEO 1l4.O;T <br />BACTEJ?lA,ASVw'EU. AS "114E <br />IN 1852 THE: CITY 01=" WNCClN WA15 REQUIRED FN PAR- L..Ar?6ER IMPuRm~. WERE <br />UAlv\ENTlOS:l_crER ITS ~TE'I?1l-l~'5AJ\tD FILTE'R9, I?ENIOVED BY RLl"'F.RS. <br /> <br />~ <br /> <br /> <br />< <br />, <br /> <br />,$ <br /> <br />IN IB9ZNE VAlUE ()I: S:llTRATlON wtePROVED <br />W1-lEN /JJ.J EPIDEMIC ()I:: onERA S11\ll...X:K "'[l.tE CIT- <br />I2ENSa: HAM&JR6, GER^'\ONV, ~ ~~ ON- <br />nLTE.RED WATER FROV\ 114E ELSF:. JI..>St' ACROSS' <br />_ ONE" WHERE 1\-IE WAlE" SUOI'lY \\AS "'IITREQ <br />RE.'SlDENTSOF' .A.l..T()olA ,""EMAINED j..lEAL1"I4Y. <br /> <br />1'\4E J:)RST'Sl..lCCesS~UI.. ~ILTER'S IN <br />T\.IE UNITEO csrATES v.iERE' 1~AU..I:D <br />IN POlX,I.U(EEP$lE,N.V..INI872. <br /> <br /> <br />IN 1902Q\tEOF TI-IE F1RS.T FILTER R.ANTS Wm-l <br />,\\()()ERN MECAAN'CAL FILTERS w!S BUllI AT <br />LmLE ~ALL~ N.J. 1l-lE'SE ~IL'TEPS ARE" 'Sf'lLL <br />BEING lJSEO BY' ~ PA'SSAiG VALLE.V WATER <br />CON-o.MI'S'SION . <br /> <br />"TI-tEN,IN 1912.,UOUlD Q..Wk'lNE WAS <br />~'RST APPufD TO DES'l1<oY Dl'SEASE- <br />PRODXJNG BACTER\A.TODel.VEVErN <br />LA~ ell)' CJ..l..ORlNATE'S ITS WATER. <br /> <br />7 <br /> <br />