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<br /> <br />Yesterday <br /> <br />... <br /> <br />to(la"Pf <br /> <br />" <br /> <br />au(} t\.}lnorrO'\~ <br /> <br />the r/wlIgillg /,rob/eIl/8 <br /> <br />j)urin~ the '-arl;." ran of the present century <br />water pnllution W,I:' one of Ill(" cbit'f rne.lllS by <br />which th(' Ji\"in~ or...anisms of typhoiJ fn-er anJ <br />otlWf enteric Jisc;l~es were transmitted. PoIlu- <br />tioll .1J~n causeJ lI\lisancc conJitinlls, last,' and <br />oJnr~ in Jrinkinl" I\'3t,'f, and the J('struclinn of <br />rish and wildJik fmlll toxic suhstanct's alld blck <br />of OllYllen. <br />Since 19W the rrobrcm~ caUH~,1 by water <br />1"']]1l1ion Ilan- bCt'n chan...in.... llt~alth a~ellci(~s. <br />II hile still e'''ICCrllt'd with the li\"il1,1O: orl"anisms <br />that C.1U~C \\atcrbOfnc discas('s. now are bccominlo: <br />irn'Tc,lsin...l;.' cnllccrrlt~d \\ith lht' health aspects of <br />non-li\'illl" contamin.:lll!s {rom the rn.ll\u(actufc <br />alld us,' of Ilt'w (h.'mic,,1 products. the Hemen- <br />duus increHt. in rnulltion of all kinds. aaJ with <br />malla"lIl).:' water quality so ,111 TW{.JS can be met. <br />These 11('\\ concerns result frorn the :\atinll'S cx- <br />plnsivc population J,:f,'wth. "ast industrial expan- <br />sion. amazini: ('hemica] techflolnK~'. and thl." wiJ(,- <br />spreaJ commt."rcial uS{' of fludear Clle~~' which is <br />certaillto come <br />The :\"ation's water pollutinn problem is not <br />c0mposeJ of jUH one situation, .-\nuallr therc <br />art' Tll3.nr sp('ci:tl O!H"S. the tOldl of which mah <br />up th(' n.nion.1! prohlem, ,\mon~ th.: morc <br />important ar(': <br />I. The hacklw o( 5(,,\\.1,,"e anJ waHl' trt'atmcnt <br />IH'-CJS that built up durinI!' \\'or[d War II and <br />the Kon'an conrlict, when cnnstructinfl materials <br /> <br />4 <br /> <br />were diverted into th{' waf effort. This backlo~ <br />is still with liS and needed C'lIlstructioll arnOUIlH <br />(I) aprnnim,ncJy ;q billioll. about equally <br />di\'jdcJ ht,t\n'clI cities ;ll1J industrics, <br />2. Thc:- n.ltiol1\\lde pollution control etforl is <br />1I0t keerilll<' p;lce \\'lth the spl'ed of population <br />and industrial ~mwth. .\Iunicipalities need to <br />,pl."lld ;-i'ln million to ;,axI millio/l per year fM <br />St'\\a~'T tre;ltl1lt'/lt alld industrie~ a like J.nmunt <br />for industria! wanes: ~'et. o\"er thl' polSt 10 years <br />ther han." .1\"eraj;;{'J less than half these .1111OUnts. <br />J. B{'cause of rarid!)' cha.Il.l1:ill~ tcchnolo",ies, <br />industri..l waSl('S are becoll\ill~ ell.ceeJIIl~ly COlll- <br />plex and \'ery little is knowll about mall)" of <br />thl'm. KnnwkdKe is needed all their pollutional <br />behavior in water and 011 any phrsinlo~ical cfleet <br />on animals and man. \\'c Ilcl"d to kilO\\" hnw to <br />Illl.'asurc them and to treal them cffeeli\'e!r. <br />.\nd we have ret to face the pr,-,blems Lhat will <br />bl' caust"d by COllllllncial uses of atomic encr~y. <br />-I. The decided trenJ of population TTlO\'{:lllcnt <br />illto hUlI'l' metropolitJn (l'lIters 1~ rcsultjn~ in a <br />problem of Jisposill!-, of tremend(!us \"(Jlume.o; of <br />cornrle:t wast~'s nearb~', nften to comrarati\'el~' <br />small streams, \\'e need much more etfcclive <br />trC.1tllll'llt prncesses, actuJllr some that achie\'c:- <br />HXl percent puriticatioll so that in Water shari <br />are:\S the water lT1a~' he IIsed (1\'er and OYer by <br />the same municipalities and mdUSlrlf:S, or hr <br />those imnl('diatel~' dClI\"[lSITt'am. <br /> <br />