air pollution agents

7/29/2019 Air Pollution Agents

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Ai r Pol : udon


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Humrn 'ntod '.' o' ror_jdrro.P5.eof!h.m'ul, Prd'culdr' mrb'oloq'


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Primary Air Pollutants


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I slbnances em tted d r..tly nto rhe a rlrom a po ntsour.e. so, produced by burnirgcoa and oil. NOz emitted lrom high t.mprature .ombLnioi. cO produ.ed by ncomp et..ombu* on ollue sr veh. e elhaun .. CO: a greenhouse gas.m ttcd lrom .ombu{ on. VOC .dud6 hydrocarbon tue vapo6 a.d so\n6' PM, found prmarya5nncpad.es,tnoke a.dnun. Tor c Meta s iead, cadm um, ropp4. and so on. CFC5 used in loam prcdu.c and reliSerantsr desftoy ozone. Rad oa.tve pro!u.ed by hospta wa{es, radoni a.d nucleara..ide. Nl-lr produ.ed from agr.u turalp,ocesses


5/20

Secondary Air Pollutants


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secondary poillrants are notemised die.tly. Rather, theyfom i. the when pnmary polurants react or intera.tAr'npo ua' natrp"ora'econdd'ypolllr".'


7/20

Nitrogen Dioxide (NOz)


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I Fomed ar high remperatures Gombu*ion, fore* nrcs, and vokanoetr lom,.tr'. d_d ' _'PJr.L'de'(r "brc{.\JleJ,d r.l.ngad-rCp uPPrP e Plen'gohI rnorr'"r ,o8",


9/20

0

Ozone (Or)


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Formd byslnlight ractingwi.h NO, and vOCsMajor component of phobche ical !mo&calsc, Espiratory and pl.nt damag


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SulfurDioxide (SOr)


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J Forhd by b!minq hish-sulturfo5r lfu.ls.r com blnes wirh water vapor n the air b prod!.e sulru nc acid (acid Eirr Cau*s respiratory damag..


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Carbon Monoxide (CO)


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carbon mondid. it a @lod6, odo/.s, no. iftitating but PoisonolsIt isa prcdu


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Peroxyacyl Nitrates (PANs)


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J Se.ondaryair polutants lormed lrom the reaction olvarous hydrc.arbcombin nswrh oiygen and n tmlen droxde ana beingcatalzcd by ult.ad anon arcm the sun: htdrocadrons + O, + No, + ghr - cts.COOOr s n.e rheyd 55o. are quire norvly n ihe ahosphr. nto ranica s and N

PANS everrua ly ranspoft these un*able .omPounds laraway lrom theand indLstfalorgin PANs iansFort No, to relonswhere itcan moreeF..nry produ.e ozoneI Dnsove n.re reai ly n waterthan ozo.e.r Ar.onc.ntrar ons oaonly a few pats pe.billion th.ycause eye rntat oh gher.on.entations rhey ca!5..xtensive danage to veget.t on


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Suspended Particulate Matt(PM'o)


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r ln. uder smole. dust, soot, and asbBtosr P\4 ,ra" a.I01or'u'pead.dPdhh' Omi'rorPds 'o'4mdda ,-,il"i ir'- *'rr*,".,t" i^a c. rv PM -,


19/20

Volatile Organ ic C-ornpound(vocs)


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J Resu c from solventvapoEr Can resu t in respirarorydamage and can.er.r Erampes gasoline, iomaldehyde, a.ebne, and benane

air pollution agents

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