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MAE@IE]DPLAE XIMA_IX\ TYXDELM BLXC LEPIXKI@LDPI ]MFAAC MD]I ]PY@\, NYHDLC GLEB@AK AO

]DY@L DXDHLD

ZXIZDXI@ H\>

KY@D]]DX L@XL] XDYP CII@ BXIIE D]]AMLDPI

Kimfdelmdc Iebleiir

Ikdlc L`>ku`dssdrl`rls.rdutJbkdlc.mak

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ZDBI 4

4.4 DH]PXDMP

Pfi hlbbist ricldhci saurmi ao patdhci wdtir le ]du`l Drdhld ls orak @isdcledtlae Rdtirtridtkiet. ]lemi Braue` saurmi wdtir risaurmis dri viry klelkdc `ui ta biabrdpflmdc camdtlae,mauetry cdrbist `ikde` `ipie`s ae @isdcledtlae wdtir orak ]id. Fawivir tfi pra`umtlae mast tamaevirt sdclei wdtir ta Zatdhci wdtir ls maesl`irdhci W4.:< Y]$ pir muhlm kitir[ . ]lemi wdtir ls viry mrumldc oar `dlcy dmtlvltlis & maevirtleb ]dclei Rdtir leta patdhci maesuki dkpci dkauet aoieirby & kaeiy, lt ahvlauscy lemridsis de dcdrk ta ri`umi wdtir maesukptlae dt slti & caag oaratfir ripcdmidhci `irlvdtlvis wflmf mde ripcdmi Zatdhci wdtir letdgi orak Kuelmlpdc Ha`lis. Pfi]du`l Klelstir ao Rdtir & Icimtrlmlty istlkdti` tfdt 89% ao ]du`l Alc & Bds Zra`umtlae le olsmdc yr.8::< wds usi` `akistlmdccy ta bieirdti icimtrlmlty & pra`umi wdtir, wltf prisiet `ikde` rdtissubbistleb tfdt tfls olburi wlcc ridmf 9:% hy yr. 8:=: ds pir risidrmf hy WHICOIX MIEIX oar smliemi

& Letiredtlaedc Doodlr[.

Pa oamus ae tfls mdusi Kimfdelmdc Iebleiirleb @lvlslae ao Dh`uc Dc Xdfkde DC EdlkMaesuctdet- @dkkdk fds ivicapi` d maemiptudc islbe oar Rdtir Ximcdlk usi dt Turdelm ]mfaacZranimt- d Xaydc Makklsslaeleb Zranimt le Nuhdlc, Gleb`ak Ao ]du`l Drdhld .

4.8 HDMGBXAYE@ ]PY@\ AE MAE@IE]DPLAE

Zrapasi` F_DM systik `islbei` ls ao Mflcci` Rdtir ]ystik wfiri le tfiri dri 9 Eas DlrFde`cleb Yelt usi` le Blrc Letirki`ldti ]mfaac & 8 Eas Dlr Maaci` Mflccirs. ]lemi tfls smfaacs dricamdti` le Nuhdlc wfiri tfiri ls ieaubf dkauet ao fukl`lty prisiet le dlr, tfi wdtir prisiet mdehi usi` dotir mae`iesdtlae. Ds pir D]FXDI WDkirlmde ]amlity Fidtleb Xiorlbirdtlae & DlrMae`ltlaeleb Iebleiirs[ stde`dr`s smfaac riqulris cdrbir dkauet ao autsl`i dlr ta kdle lesl`ismfaac ievlraekiet fidctfy. Eaw tfls autsl`i hrlebs cdrbi cad` ae Dlr Fde`cirs Maacleb Malcs leture lemridsleb tfi dkauet ao kalst dlr pdssleb tfraubf tfisi Malcs. Ds tfls dlr pdssis tfraubf

tfisi malc, tikpirdturi ao dlr `raps ds d risuct tfi dlr mde ea caebir fac`s tfi dkauet ao kalsturids lt wds fac`leb wfie lt wds ricdtlvicy fat. Pfls pramiss mde idslcy hi ue`irstaa` le Zsymfakitrlmdedcysls ao Dlr fde`cleb uelts. Ds d risuct tfi kalsturi prisiet le kalst dlr `raps aoo & tfls ietlripramiss ls mdcci`Mae`iesdtlae. Eati tfdt eat dcc tfi kalsturi prisiet le kalst dlr `raps ds tfirils stlcc risuctdet kalsturi prisiet le dlr cidvleb tfi maacleb malc. Pfi ixdmt tfiaritlmdc dkauet aokalsturi riqulri` `ipie`s ae Le`aar @islri` raak mae`ltlae> - Le tfls mdsi wi dri kdletdleleb9:% ricdtlvi fukl`lty ds makkde`i` hy D]FXDI stde`dr`s oar smfaac pranimt & lt dcsa makpcyleb wltf aur mcliet Xaydc Makklsslae @islbe hdsls Xiparts W@HX[. Pfls pramiss ls ixpcdlei` le hicawolb. 4.4

http://belfercenter.hks.harvard.edu/files/Kajenthira-Anadon-Siddiqi%20--%20Wastewater%20Reuse%20in%20Saudi%20Arabia.pdfhttp://belfercenter.hks.harvard.edu/files/Kajenthira-Anadon-Siddiqi%20--%20Wastewater%20Reuse%20in%20Saudi%20Arabia.pdfhttp://belfercenter.hks.harvard.edu/files/Kajenthira-Anadon-Siddiqi%20--%20Wastewater%20Reuse%20in%20Saudi%20Arabia.pdfhttp://belfercenter.hks.harvard.edu/files/Kajenthira-Anadon-Siddiqi%20--%20Wastewater%20Reuse%20in%20Saudi%20Arabia.pdfhttp://belfercenter.hks.harvard.edu/files/Kajenthira-Anadon-Siddiqi%20--%20Wastewater%20Reuse%20in%20Saudi%20Arabia.pdfhttp://belfercenter.hks.harvard.edu/files/Kajenthira-Anadon-Siddiqi%20--%20Wastewater%20Reuse%20in%20Saudi%20Arabia.pdfhttp://belfercenter.hks.harvard.edu/files/Kajenthira-Anadon-Siddiqi%20--%20Wastewater%20Reuse%20in%20Saudi%20Arabia.pdfhttp://belfercenter.hks.harvard.edu/files/Kajenthira-Anadon-Siddiqi%20--%20Wastewater%20Reuse%20in%20Saudi%20Arabia.pdf

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ZDBI 8

4.= RFDP L] MAE@IE]DPI RDPIX1

Mae`iesdti ls d hypra`umt bieirdti` `urleb Dlr Mae`ltlaeleb pramiss wflmf lsusudccy wdsti` & `rdlei` ta siwir. Mae`iesdti ls bieirdti` le tfi sdki kdeeir ds `lstlcci` wdtir, wflmf fds d sclbftcy dml`lm pF vdcui draue` 9.6 , ds makpdri` ta d eiutrdc pF vdcui ao 2.: ,de` maetdles ea kleirdcs. Fawivir, ueclgi `lstlcci` wdtir, mae`iesdti ls suhnimt ta ievlraekietdcmaetdkledtlae `urleb tfi pramiss ao maccimtlae de` trdespart. Klmraarbdelsks (i.b., hdmtirld de` vlrusis) suspie`i` le dlr `rdwe orak lesl`i de`/ar autsl`i tfi hulc`leb (l.i., riture dlr de`/arautsl`i dlr) tfraubf tfi Dlr Fde`cleb Yelt (DFY) mde maccimt ae tfi maacleb malcs wltf tfi kalsturi wfie mae`iesdti ls oarki` (sii Olb 4.4 oar d smfikdtlm ao de DFY). Le d``ltlae, hileb sclbftcy dml`lm,

mae`iesdti tie`s ta ridmt wltf kdtirldcs wltf wflmf lt makis le maetdmt. ]umf ridmtlaes mde rdlsitfi pF vdcui ao mae`iesdti. Dey kacimucis ar pdrtlmucdtis tfi mae`iesdti plmgs up `urleboarkdtlae ar dcaeb lts ocaw pdtf mde hi rioirri` ta ds d maetdkledet de` kust hi maesl`iri` wfiekdgleb tridtkiet `imlslaes.

Olb> 4.4

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ZDBI =

4.0 DMMY]PAKI@ MAE@IE]DPI ZXDMPLMI]Cdrbicy tfi mae`iesdti maccimti` ls `lsmdr`i` tfraubf vdrlaus `rdle palets & `ukpi` leta

earkdc siwirs. Pfls eat aecy wdsti tfls flbf vdcudhci mcide @lstlcci` wdtir hut dcsa d``s cad`s le]iwir Pridtkiet Zcdet ae Camdc kuelmlpdc ha`lis tfus lemridsleb d``ltlaedc Ieirby & Mast odmtarsta tfi Bavirekiet. Pfls eat aecy hur`ie tfi Bavirekiet arbdelzdtlae hut dcsa risucts led``ltlaedc BFB WBriiefausi Bds[ iklsslae leta ievlraekiet.

Olb> 4.8

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ZDBI 0

4.9 MAE@IE]DPI RDPIX DZZCLMDPLAE

Mde hi usi` le = kdle @akdle.

4. MAACLEB PARIX].8. PALCIP OCY]FLEB.=. CDE@]MDZI LXXLBDPLAE & FDX@]MDZI MCIDELEB.

Pfi kast iooimtlvi usi ao mae`iesdti wdtir maccimti` orak makkirmldc ar le`ustrldchulc`lebs ls oar kdgiup wdtir le maacleb tawirs. Pfls ls himdusi tfi puri de` maac mae`iesdti wdtir

`lcutis tfi si`lkiet hulc`up le maacleb tawirs (tfi si`lkiet ls ciot hifle` `urleb tfi ivdpardtlvimaacleb pramiss), lemridsis tfi ioolmliemy ao tfi maacleb tawirs hy vlrtui ao lts ricdtlvicy maactikpirdturi, pravl`is tfi kast wdtir le fat de` fukl` mae`ltlaes wfie kdgiup wdtir oar tfimaacleb tawirs ls kast eii`i`, de` riqulris ea d``ltlaedc stardbi ar tridtkiet.

Atfir makkae usis ao mae`iesdti lemcu`i talcit ocusfleb, lrrlbdtlae, aredkietdc wdtir oidturis,de` pramiss wdtir, sumf ds tfdt usi` le kdeuodmturleb. @islbeleb oar tfisi usis riqulris d wdtirhu`bit ta `itirklei faw kumf wdtir ls pra`umi` (suppcli`) virsus faw kumf ls riqulri`(`ikde`i`) oar tfi letie`i` purpasi. ]tardbi ls riqulri` lo tfi wdtir pra`umi` mdeeat hilkki`ldticy usi` oar lts letie`i` purpasi. Pfls ls tfi mdsi wltf kast dppclmdtlaes ixmipt oarmaacleb tawirs de` pirfdps saki pramiss wdtir de` lrrlbdtlae dppclmdtlaes, `ipie`leb ae ixdmteii`s. Pridtkiet le tfi oark ao olctrdtlae de` `lsleoimtlae ls usi` ta rdlsi tfi qudclty ao tfi wdtiroar lts letie`i` dppclmdtlae. Dppclmdtlaes le wflmf rimcdlki` wdtir mauc` maemilvdhcy maki lemaetdmt wltf fukde sgle ar hi lebisti` riqulri tfi flbfist-qudclty wdtir. Le dcc mdsis, d wicc-`islbei` de` wicc-kdletdlei` F_DM systik ls mrltlmdc ta tfi pra`umtlae ao mae`iesdti tfdt ls oriiao klmrahldc hulc`up ar atfir maetdkledets

Ixmipt oar Maacleb Pawir usdbi, camdc ma`is ar DFN Dutfarlty Fdvleb Nurls`lmtlae & LetiredtlaedcMa`i clgi LZM, LHM sfauc` hi oaccawi` lo mae`iesdti wdtir ls ta hi usi` oar dppclmdtlae levacvleb

`lrimt fukde maetdmt ar saki tlki lebistlae. Dcsa d `itdlc wdtir ripart kust hi mae`umti` aekaetfcy hdsls ta stu`y tfi dml`lm edturi ar klmra Arbdelsk brawtf ao mae`iesdti maccimti` oaratfir usis. Himdusi tfls dml`lm edturi kdy fdrk tfi Palcit mirdklm lo ripidti`cy usi` ar lt kdyfdrk cde`smdpi, Cdwe ]prlegcirs, @rlp lrrlbdtlae plpis, Zukps, Oauetdles itm. Oar hist risuct dstrlmt kdletiedemi ao DFY iqulpkiet ls riqulri` ae wiigcy/kaetfcy hdsls orak Kdletiedemi &Apirdtlae Maetrdmtar.

HIMDY]I PFIXI DXI EA MAACLEB PARIX] LE TYXDELM ZXANIMP, AZPLAE-8 & AZPLAE-= DXI CIOP PA HI LKZCIKIEPI@. FARI_IX ZXAZA]I@ MAEMIZP LE PFL] XIZAXP L]AZPLAE-8 l.i PALCIP OCY]FLEB

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ZDBI 9

4.? FAR KYMF MAE@IE]DPI RDPIX MDE TYXDELMLEPIXKI@LDPI ]MFAAC BL_I1

Pfiri dri 9 Eas DFY le Turdelm Blrc Letirki`ldti ]mfaac & mae`iesdti bieirdti` leBdccaeshy tfisi DFY ] dri blvie le hicaw Pdhci 4.4.

Pfiri dri vdrlaus timfelqui ta mdpturi mae`iesdti Ocaw _acuki & Iebleiirs & risidrmfirs fdvi`ivicapi` mirtdle Pfukh rucis ivie hdsi` ae Paeedbi & ]q Ot Drid ta hi Dlr Mae`ltlaei`.

Fawivir wi fdvi mdpturi` tfiaritlmdc `dtd orak FDZ WFaurcy Dedcysls Zrabrdk[ ]aotwdri hdsi`ae tfirka`yedklm ricdtlae hicaw.

T M; T d V @IE]LP\ V (R4-R8) V :.09 V :.8?04 V ?:-----

Rfiri,

T M Bdccaes/Fr. ao Mae`iesdti.

T d ; Dlr Ocaw rdti ao klxi` dlr WXiture + Aut`aar[ le MOK

@ieslty - ]t`s @ieslty ao Dlr ; :.:29 ch/ot =dt dtkaspfirlm Zrissuri.

R4 - ]pimlolm fukl lty ao Klx Dlr Ietirleb Maacleb Malc.

R8 ]pimlolm fukl`lty ao Maac Dlr Cidvleb Maacleb Malc.

& :.09, :.8?04 & ?: dri maevirslae odmtars ta hi usi` ta bit vdcuis le Bdccae/Fr.

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ZDBI ?

DFY-:4 DFY-:8 DFY-:= DFY-:0 DFY-:9

NDE 8,2?< =,:86 =,4=2 =,494 8,:2=

OIH 0,26< ?,

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ZDBI 2

4.2 MAE@IE]DPI MDCMYCDPLAE ZXAMI@YXI

Pikpirdturi ]lkucdtlae olci ao Nuhdlc ls rimar`i` orak FDZ olci. Pfi fattist dy le pdrtlmucdrkaetf ls rimar`i` oar wflmf tfi mae`iesdtlae ls mdcmucdti`. Pfi Kdxlkuk & klelkuk @ry Huchtikpirdturi ls rimar`i` orak FDZ olci oar wflmf R4 & R8 ls rimar`i`. Dcsa le splti ao rimar`leb80 frs. `dtd oar ietlri `dy aecy 4= frs.WOrak 9 DK ta 9 ZK[ `dtd ls rimar`i` oar tfdt pdrtlmucdrfattist `dy le d pdrtlmucdr kaetf. 4= frs. `dtd ls tfie d``i` ta bit `dlcy `dtd & oledccy tfls Fattist`dy `dtd ls kuctlpcli` wltf 2:% `lvirslty odmtar dssukleb dcc tfi mae`iesdti bieirdti` oarrikdleleb `dys wlcc dcwdys bieirdti ciss dkauet ao mae`iesdti. Dcsa lt ls dssuki tfdt idmf kaetffdvi =: `dys lkkdtirldc ao NOKDKNND]AE@ sirlis. Pfls dcc dssukptlae dri nust oar idsi lemdcmucdtlae ds faurcy mae`iesdti bieirdti` oar dcc =?9 `dys wlcc tdgi dkpci dkauet ao tlki &pirfdps tfi ixdmt & marricdti` vdcuis wlcc fdvi klelkdc vdrldtlaes.

R4 & R8 ls rimar`i` oar iviry 4= fr. orak FDZ Zsymfakitrlm Dedcysls prami`uris wflmf sfawsiviry 4= frs. le iviry slebci kaetf. Hdsi` ae tfisi vdcui & Dlr ocaw rdti ao pdrtlmucdr DFY tfi oledcTm vdcui ls rimar`i` oar iviry ]lebci faurs le tfasi 4= frs. stu`y. Pfie dcc 4= frs. risucti` dri

sukkaei` up ta bit oledc `dy vdcui ao mae`iesdti ae tfdt pdrtlmucdr `dy.

Olb> 4.=

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ZDBI 6

]dkpci Mdcmucdtlae oar Ndeudry kaetf oar DFY-= ls ds sfawe Hicaw le Pdhci-4.8

PLKI R4 J PK R8 J P: CZK BZK BZF BZ@ KAEPFC\

NDE

9:: :.::6?0 :.::2?< :.98 :.40 6.8