council direct ec septemb ambient air qualiti assess manag council european union regard treati establish european commun articl thereof regard propos commiss regard opinion econom social committe act accord procedur laid articl treati action programm environ gener approach endors council repres govern member state meet council resolut februari envisag amend exist legisl air pollut programm recommend establish long term air qualiti object order protect environ human health concentr harm air pollut avoid prevent reduc limit valu alert threshold set ambient air pollut level order account specif format mechan ozon limit valu alert threshold complement replac target valu numer valu limit valu alert threshold ozon target valu limit valu alert threshold base find work carri intern scientif group activ field commiss carri studi analys effect combin action pollut sourc pollut effect climat activ pollut examin context direct ambient air qualiti assess limit valu alert threshold ozon target valu limit valu take account size popul ecosystem expos air pollut environ order assess ambient air qualiti base measur made member state compar locat number sampl point refer method measur valu set alert threshold limit valu target valu techniqu estim ambient air qualiti direct measur defin criteria requir accuraci techniqu gener measur set direct supplement specif individu substanc cover specif measur adopt order fulfil object direct preliminari repres data level pollut collect order protect environ human health member state action limit valu exceed order compli valu time fix measur member state account requir set regul oper industri instal conform commun legisl field integr prevent reduct pollut legisl appli action requir time implement effect temporari margin toler limit set area exist member state pollut level greater limit allow margin toler limit compli time member state consult level pollut exce exce limit margin toler case alert threshold signific pollut origin member state set alert threshold precautionari measur make limit impact pollut episod human health zone agglomer level pollut limit valu member state endeavour preserv ambient air qualiti compat sustain develop order facilit handl comparison data receiv data provid commiss standard form implement wide comprehens polici ambient air qualiti assess manag base strong technic scientif ground perman exchang view member state avoid increas unnecessarili amount inform transmit member state inform gather commiss pursuant implement direct european environ agenc eea transmit commiss adapt criteria techniqu assess ambient air qualiti scientif technic progress arrang need exchang inform provid pursuant direct desir order facilit implement work end procedur set establish close cooper member state commiss committe order promot reciproc exchang inform member state eea commiss assist eea publish report ambient air qualiti commun year substanc cover council direct eec juli air qualiti limit valu guid valu sulphur dioxid suspend particul council direct eec decemb limit lead air council direct eec march air qualiti standard nitrogen dioxid council direct eec septemb air pollut ozon dealt adopt direct articl object gener aim direct defin basic principl common strategi defin establish object ambient air qualiti commun design avoid prevent reduc harm effect human health environ assess ambient air qualiti member state basi common method criteria obtain adequ inform ambient air qualiti ensur made public inter alia mean alert threshold maintain ambient air qualiti good improv case articl definit purpos direct ambient air outdoor air tropospher exclud work place pollut substanc introduc directli indirectli man ambient air harm effect human health environ level concentr pollut ambient air deposit thereof surfac time assess method measur calcul predict estim level pollut ambient air limit level fix basi scientif knowledg aim avoid prevent reduc harm effect human health environ attain period exceed attain target level fix aim avoid long term harm effect human health environ attain period alert threshold level risk human health exposur step member state laid direct margin toler percentag limit exceed subject condit laid direct zone part territori delimit member state agglomer zone popul concentr excess inhabit popul concentr inhabit popul densiti km member state justifi ambient air qualiti assess manag articl implement respons implement direct member state design level compet author bodi respons implement direct assess ambient air qualiti approv measur devic method equip network laboratori ensur accuraci measur measur devic check mainten accuraci devic intern qualiti control carri accord inter alia requir european qualiti assur standard analysi assess method coordin territori commun wide qualiti assur programm organ commiss suppli commiss member state make inform refer subparagraph public articl set limit valu alert threshold ambient air pollut list annex commiss submit council propos set limit valu alert threshold timet decemb pollut accord articl direct eec ozon decemb pollut decemb pollut fix limit valu alert threshold account factor laid annex ii ozon propos account specif format mechan pollut end provis made target valu limit valu target fix ozon exceed member state inform commiss measur order attain basi inform commiss evalu addit measur commun level aris submit propos council pollut commiss submit council propos fix limit valu alert threshold basi scientif progress take account criteria laid annex iii appear avoid prevent reduc harm effect pollut human health environ commun commiss respons take account recent scientif research data epidemiolog environment field concern recent advanc metrolog examin element limit valu alert threshold refer paragraph base limit valu alert threshold set criteria techniqu establish measur implement legisl refer paragraph locat sampl point minimum number sampl point refer measur sampl techniqu techniqu assess ambient air qualiti model spatial resolut model object assess method refer model techniqu criteria techniqu establish respect pollut size agglomer level pollut zone examin account actual level pollut set limit valu time need implement measur improv ambient air qualiti council set temporari margin toler limit margin reduc procedur defin pollut order attain level limit latest end period determin pollut set accord treati council adopt legisl provid paragraph provis laid paragraph member state take stringent measur laid provis refer paragraph inform commiss thereof member state intend set limit valu alert threshold pollut refer annex cover commun provis ambient air qualiti commun inform commiss thereof suffici time commiss requir suppli suffici time answer question act commun level criteria laid annex iii articl preliminari assess ambient air qualiti member state repres measur level pollut zone agglomer undertak seri repres measur survei assess order data time implement legisl refer articl articl assess ambient air qualiti limit valu alert threshold set ambient air qualiti assess territori member state accord articl accord criteria refer articl respect relev pollut articl measur mandatori zone agglomer defin articl zone level limit valu level provid paragraph zone level exce limit valu measur provid supplement model techniqu provid adequ level inform ambient air qualiti combin measur model techniqu assess ambient air qualiti level repres period level lower limit determin provis refer articl level level determin provis refer articl sole model object estim techniqu assess level provis appli agglomer case pollut alert threshold fix provis refer articl pollut measur measur fix site continu random sampl number measur suffici larg enabl level observ determin articl improv ambient air qualiti gener requir member state measur ensur complianc limit valu measur order achiev aim direct account integr approach protect air water soil contraven commun legisl protect safeti health worker work signific neg effect environ member state member state draw action plan indic measur short term risk limit valu alert threshold exceed order reduc risk limit durat occurr plan depend individu case provid measur control suspend activ includ motor vehicl traffic contribut limit valu exceed articl measur applic zone level higher limit member state draw list zone agglomer level pollut higher limit margin toler margin toler fix specif pollut zone agglomer level pollut exce limit treat zone agglomer refer subparagraph paragraph appli member state draw list zone agglomer level pollut limit limit margin toler zone agglomer refer paragraph member state measur ensur plan programm prepar implement attain limit specif time limit plan programm made public incorpor inform list annex iv zone agglomer refer paragraph level pollut higher limit valu member state provid integr plan cover pollut concern commiss regularli check implement plan programm submit paragraph examin progress trend air pollut level pollut exce exce limit margin toler case alert threshold signific pollut origin member state member state concern consult view find solut commiss present consult articl requir zone level lower limit member state draw list zone agglomer level pollut limit valu member state maintain level pollut zone agglomer limit valu endeavour preserv ambient air qualiti compat sustain develop articl measur applic event alert threshold exceed alert threshold exceed member state undertak ensur step inform public mean radio televis press member state forward commiss provision basi inform level record durat episod pollut month occurr list minimum detail suppli public drawn alert threshold articl transmiss inform report adopt council propos refer indent articl member state notifi commiss compet author laboratori bodi refer articl zone refer articl inform commiss occurr level exceed limit margin toler date period level observ valu record month period end year margin toler fix pollut zone agglomer level pollut exce limit treat zone agglomer refer subparagraph ii inform commiss reason record instanc month period end year iii send commiss plan programm refer articl year end year level observ iv inform commiss year progress plan programm forward commiss annual month end year list zone agglomer refer articl articl forward fo commiss year framework sector report refer articl council direct eec decemb standard ration report implement direct relat environ month end year period inform review level observ assess zone agglomer refer articl articl inform commiss method preliminari assess air qualiti provid articl commiss publish annual list zone agglomer refer articl year report ambient air qualiti commun report show summari form inform receiv mechan exchang inform commiss member state commiss call expertis european environ agenc draft report refer paragraph articl committe function amend adapt criteria techniqu refer articl scientif technic progress detail arrang forward inform provid articl task provis refer articl adopt accord procedur laid paragraph articl adapt effect modifi limit valu alert threshold directli indirectli commiss assist committe compos repres member state chair repres commiss repres commiss submit committe draft measur committe deliv opinion draft time limit chairman lai urgenc matter opinion deliv major laid articl treati case decis council requir adopt propos commiss vote repres member state committe weight manner set articl chairman vote commiss adopt measur envisag accord opinion committe measur envisag accord opinion committe opinion deliv commiss delai submit council propos relat measur council act qualifi major expiri period month date referr council council act propos measur adopt commiss articl member state bring forc law regul administr provis compli direct month forc regard provis relat articl annex ii iii iv latest date provis refer articl appli regard provis relat articl member state adopt measur refer direct accompani refer time offici public procedur refer adopt member state member state commun commiss text main provis nation law adopt field cover direct articl direct enter forc dai public offici journal european commun articl direct address member state brussel septemb council presid lowri oj oj opinion european parliament june oj council common posit novemb oj decis european parliament oj oj oj direct amend direct eec oj oj direct amend direct eec oj direct amend direct eec oj oj annex list atmospher pollut consider assess manag ambient air qualiti pollut studi initi stage includ pollut govern exist ambient air qualiti direct sulphur dioxid nitrogen dioxid fine particul matter soot includ mw suspend particul matter lead ozon ii air pollut benzen carbon monoxid poli aromat hydrocarbon cadmium arsen nickel mercuri annex ii factor account set limit valu alert threshold set limit alert threshold factor account degre exposur sector popul sensit group climat condit sensit flora fauna habitat histor heritag expos pollut econom technic feasibl long rang transmiss pollut secondari pollut includ ozon annex iii guidelin select air pollut consider possibl sever frequenc effect regard human health environ irrevers effect special concern ubiqu high concentr pollut atmospher environment transform metabol alter alter lead product chemic greater toxic persist environ pollut biodegrad accumul human environ food chain impact pollut size expos popul live resourc ecosystem exist sensit target zone concern risk assess method pertin danger criteria establish direct eec success adapt account select pollut oj direct amend commiss direct eec oj annex iv inform includ local region nation programm improv ambient air qualiti inform provid articl local excess pollut region citi map measur station map geograph coordin gener inform type zone citi industri rural area estim pollut area km popul expos pollut climat data relev data topographi suffici inform type target requir protect zone respons author name address person respons develop implement improv plan natur assess pollut concentr observ previou year implement improv measur concentr measur begin project techniqu assess origin pollut list main emiss sourc respons pollut map total quantiti emiss sourc tonn year inform pollut import region analysi situat detail factor respons excess transport includ cross border transport format detail measur improv air qualiti detail measur project improv exist prior entri forc direct local region nation intern measur observ effect measur detail measur project adopt view reduc pollut entri forc direct list descript measur set project timet implement estim improv air qualiti plan expect time requir attain object detail measur project plan research long term list public document work supplement inform request annex