direct ec european parliament council decemb amend direct ec approxim law member state relat measur emiss gaseou particul pollut intern combust engin instal road mobil machineri european parliament council european union regard treati establish european commun articl thereof regard propos commiss regard opinion econom social committe consult committe region act accord procedur laid articl treati auto oil ii programm aim identifi cost effect strategi meet air qualiti object commun commiss commun review auto oil ii programm conclud measur address issu ozon particul emiss recent work develop nation emiss ceil shown measur need meet air qualiti object decid commun legisl stringent standard emiss vehicl highwai gradual introduc decid standard strengthen rel contribut pollut road mobil machineri predomin futur direct ec introduc emiss limit valu gaseou particul pollut intern combust engin instal road mobil machineri direct ec initi appli compress ignit engin recit direct envisag subsequ extens scope includ gasolin engin emiss small spark ignit engin gasolin engin type machineri contribut significantli identifi air qualiti problem current futur ozon format emiss small spark ignit engin subject strict environment standard usa show significantli reduc emiss absenc commun legisl mean place market engin fashion technolog environment point view jeopardis air qualiti object commun implement nation legisl field potenti creat barrier trade direct ec close align legisl continu align benefit industri environ lead time european industri manufactur oper global basi meet emiss standard step approach direct ec compress ignit engin regul spark ignit engin adopt step approach commun legisl left field unregul year achiev flexibl worldwid align derog made comitolog procedur includ measur implement direct adopt accord council decis ec june lai procedur exercis implement power confer commiss direct ec amend adopt direct articl direct ec amend articl eighth indent replac quot place market action make engin time market payment free charg view distribut commun quot indent ad quot replac engin newli built engin replac engin machin suppli purpos hand held engin engin meet requir engin piec equip carri oper perform intend function engin piec equip oper multiposition upsid sidewai complet intend function engin piec equip combin engin equip dry weight kilogram attribut present oper altern provid support carri equip perform intend function ii oper provid support attitudin control equip perform intend function iii engin gener pump hand held engin engin fall definit hand held engin profession multiposit hand held engin hand held engin meet requir hand held engin definit relat engin manufactur satisfi approv author categori emiss durabl period section appendix annex iv applic engin emiss durabl period number hour annex iv appendix determin deterior factor small volum engin famili spark ignit si engin famili total yearli product fewer unit small volum engin manufactur si engin manufactur total yearli product fewer unit quot articl amend paragraph amend sentenc quot annex vi quot replac quot annex vii quot ii sentenc quot annex vii quot replac quot annex viii quot paragraph amend point quot annex viii quot replac quot annex ix quot ii point quot annex ix quot replac quot annex quot paragraph quot annex quot replac quot annex xi quot articl replac quot member state accept type approv applic pertain approv mark list annex xii conform direct quot articl amend head quot timet quot replac head quot timet compress ignit engin quot paragraph quot annex vi quot replac quot annex vii quot paragraph amend quot annex vi quot replac quot annex vii quot ii quot section annex quot replac quot section annex quot paragraph amend quot annex vi quot replac quot annex vii quot ii quot section annex quot replac quot section annex quot subparagraph paragraph phrase quot place market engin quot replac quot place market engin quot articl insert quot articl timet spark ignit engin divid class purpos direct spark ignit engin divid class main class small engin net power amp lt kw main class divid categori engin hand held machineri engin hand held machineri gt tabl gt grant type approv august member state refus grant type approv si engin type engin famili issu document annex vii impos type approv requir regard air pollut emiss road mobil machineri engin instal engin meet requir direct emiss gaseou pollut type approv stage member state refus grant type approv engin type engin famili issu document annex vii refus grant type approv road mobil machineri engin instal august engin fail meet requir direct emiss gaseou pollut engin compli limit valu set tabl section annex type approv stage ii member state refus grant type approv engin type engin famili issu document annex vii refus grant type approv road mobil machineri engin instal august engin class sn sn august engin class sn august engin class sh sh sn august engin class sh engin fail meet requir direct emiss gaseou pollut engin compli limit valu set tabl section annex place market engin product date month date relev categori engin paragraph except machineri engin intend export countri member state permit place market engin instal machineri meet requir direct label earli complianc stage ii engin type engin famili meet limit valu set tabl section annex date laid point articl member state special label mark show equip concern meet requir limit valu date laid exempt machineri exempt implement date stage ii emiss limit requir period year entri forc emiss limit requir year stage emiss limit requir continu appli hand held chainsaw hand held devic design cut wood chain design support hand engin capac excess cm en iso top handl machin hand held drill tree servic chainsaw hand held devic handl top machin design drill hole cut wood chain iso hand held brush cutter intern combust engin hand held devic rotat blade made metal plastic intend cut weed brush small tree similar veget design en iso oper multi position horizont upsid engin capac excess cm hand held hedg trimmer hand held devic design trim hedg bush mean reciproc cutter blade en hand held power cutter intern combust engin hand held devic intend cut hard materi stone asphalt concret steel mean rotat metal blade displac excess cm en hand held horizont shaft class sn engin class sn hand held engin horizont shaft produc power equal kw select industri purpos includ tiller reel cutter lawn aerat gener option implement delai categori member state postpon date paragraph year respect engin product date prior date quot articl amend paragraph replac quot requir articl articl articl appli engin arm servic engin exempt accord paragraph quot paragraph insert quot replac engin compli limit valu engin replac meet origin market text replac engin attach label engin insert owner manual quot paragraph ad quot requir articl postpon year small volum engin manufactur requir articl replac stage requir small volum engin famili maximum unit provid engin famili involv cylind displac quot articl replac articl quot articl adapt technic progress amend order adapt annex direct except requir section section section annex account technic progress adopt commiss accord procedur refer articl articl procedur derog commiss studi technic difficulti compli stage ii requir engin mobil machineri engin class sh sh instal commiss studi conclud technic reason mobil machineri profession multi posit hand held engin meet deadlin submit decemb report accompani propos extens period refer articl derog exceed year except circumst machineri procedur laid articl articl committe commiss assist committe adapt technic progress direct remov technic barrier trade motor vehicl sector hereinaft refer committe refer made paragraph articl decis ec appli regard provis articl thereof period laid articl decis ec set month committe adopt rule procedur quot list annex ad begin annex quot list annex gt tabl gt quot annex amend accord annex direct articl member state bring forc law regul administr provis compli direct august forthwith inform commiss thereof member state adopt measur refer direct accompani refer occas offici public method make refer laid member state member state commun commiss text main provis nation law adopt field govern direct articl august commiss submit european parliament council report propos potenti cost benefit feasibl reduc particul emiss small spark ignit engin special attent stroke engin report account estim contribut engin emiss particl propos emiss reduct measur contribut improv air qualiti reduc health effect ii test measur procedur equip assess particul emiss small spark ignit engin type approv iii work conclus particul measur programm iv develop test procedur engin technolog exhaust purif enhanc standard fuel engin oil cost reduc particul emiss small spark ignit engin cost effect propos measur reduc emiss recreat vehicl includ snowmobil cart cover reduc exhaust ga particul emiss small compress ignit engin kw reduc exhaust ga particul emiss locomot compress ignit engin test cycl formul order measur emiss articl direct enter forc dai public offici journal european union articl direct address member state brussel decemb european parliamentt presid cox council presid schmidt oj oj opinion european parliament octob oj council common posit march oj decis european parliament juli publish offici journal oj direct amend commiss direct ec oj oj oj annex annex amend sentenc section quot scope quot replac direct appli engin instal road mobil machineri secondari engin fit vehicl intend passeng good transport road paragraph amend intend suit move move ground road ci engin net power accord section higher kw kw oper intermitt speed singl constant speed machineri engin remaind unchang quot mobil crane quot ii ci engin net power accord section higher kw kw oper constant speed limit appli decemb machineri engin cover definit includ limit ga compressor gener set intermitt load includ refriger unit weld set water pump turf care chipper snow remov equip sweeper iii petrol fuell si engin net power accord section kw machineri engin cover definit includ limit lawn mower chain saw gener water pump bush cutter direct applic applic ship railwai locomot aircraft recreat vehicl snow mobil road motorcycl terrain vehicl section amend word ad footnot section quot cool fan air cool engin directli fit crankshaft appendix annex vii quot indent ad section engin test cycl intermedi speed maximum rate speed section annex iv section ad adjust paramet physic adjust devic system element design affect emiss engin perform emiss test normal oper treatment passag exhaust gase devic system purpos chemic physic alter gase prior releas atmospher spark ignit si engin engin work spark ignit principl auxiliari emiss control devic devic sens engin oper paramet purpos adjust oper part emiss control system emiss control system devic system element design control reduc emiss fuel system compon involv meter mixtur fuel secondari engin engin instal motor vehicl provid motiv power vehicl mode length mean time leav speed torqu previou mode precondit phase begin mode includ time speed torqu chang stabilis begin mode section section current section section section amend section replac compress ignit engin approv accord direct bear section amend quot annex vii quot replac quot annex viii quot section insert spark ignit engin approv accord direct bear trade mark trade manufactur engin ec type approv number defin annex viii section section section amend quot annex vi quot replac quot annex vii quot section amend head insert quot ci engin quot current section section refer section replac refer section current section section amend quot annex quot replac quot annex vi quot current section section current section section refer section replac refer section current section section paragraph ad si engin gener compon liabl affect emiss gaseou pollut design construct assembl enabl engin normal vibrat subject compli provis direct technic measur manufactur ensur mention emiss effect limit pursuant direct normal life engin normal condit accord annex iv appendix specif emiss pollut gaseou compon emit engin submit test measur method annex vi includ treatment devic system analys accept yield equival result refer system gaseou emiss measur raw exhaust system shown figur annex vi gaseou emiss measur dilut exhaust full flow dilut system system shown figur annex vi emiss carbon monoxid emiss hydrocarbon emiss oxid nitrogen sum hydrocarbon oxid nitrogen obtain stage exce amount shown tabl stage gt tabl gt emiss carbon monoxid emiss sum hydrocarbon oxid nitrogen obtain stage ii exce amount shown tabl stage ii annex appendix deterior factor includ gt tabl gt nox emiss engin class exce kwh notwithstand definit quot hand held engin quot articl direct stroke engin power snowthrow meet sh sh sh standard section replac section individu cylind displac largest displac engin famili method air aspir fuel type diesel petrol combust chamber type design valv port configur size number fuel system diesel pump line injector line pump distributor pump singl element unit injector petrol carburettor port fuel inject direct inject miscellan featur exhaust ga recircul water inject emuls air inject charg cool system ignit type compress spark exhaust treatment oxid catalyst reduct catalyst catalyst thermal reactor particul trap annex ii amend appendix text tabl amend quot fuel deliveri stroke mm quot line replac quot fuel deliveri stroke mm diesel engin fuel flow petrol engin quot appendix amend head section replac quot fuel feed diesel engin quot section insert fuel feed petrol engin carburettor make type port fuel inject singl point multi point make type direct inject make type fuel flow air fuel ratio rate speed wide open throttl current section section point ad variabl valv time system applic intak exhaust type continu cam phase shift angl section ad port configur posit size number ignit system ignit coil make type number spark plug make type magneto make type ignit time static advanc respect top dead centr crank angl degre advanc curv applic annex iii amend head replac quot test procedur engin quot section amend quot annex vi quot replac quot annex vii quot quot annex iv quot replac quot annex quot section amend section amend equip specif section annex specif engin cover section annex mode cycl dynamomet oper test engin tabl unchang section ad specif engin cover section ii mode cycl dynamomet oper test engin gt tabl gt load figur percentag valu torqu prime power rate defin maximum power variabl power sequenc run unlimit number hour year state mainten interv state ambient condit mainten carri prescrib manufactur section amend test sequenc test sequenc start test perform ascend order mode number set test cycl mode test cycl remaind unchang appendix section amend section quot annex quot replac quot annex vi quot annex ad quot annex iv test procedur spark ignit engin introduct annex describ method determin emiss gaseou pollut engin test test carri engin mount test bench connect dynamomet test condit engin test condit absolut temperatur ta engin air inlet engin express kelvin dry atmospher pressur ps express kpa measur paramet fa determin provis gt refer graphic gt test valid test recognis valid paramet fa gt refer graphic gt engin charg air cool temperatur cool medium temperatur charg air record engin air inlet system test engin equip air inlet system present air inlet restrict upper limit manufactur air cleaner engin oper condit manufactur result maximum air flow respect engin applic small spark ignit engin amp lt cm displac system repres instal engin engin exhaust system test engin equip exhaust system present exhaust back pressur upper limit manufactur engin oper condit result maximum declar power respect engin applic small spark ignit engin amp lt cm displac system repres instal engin cool system engin cool system suffici capac maintain engin normal oper temperatur prescrib manufactur provis appli unit detach order measur power blower blower cool fan disassembl access crankshaft lubric oil lubric oil meet engin manufactur specif engin intend usag manufactur engin lubric repres commerci engin lubric specif lubric oil test record section annex vii appendix si engin present result test adjust carburettor engin limit adjust carburettor test extrem adjust test fuel fuel refer fuel annex octan number densiti refer fuel test record section annex vii appendix si engin stroke engin fuel oil mixtur ratio ratio recommend manufactur percentag oil fuel lubric mixtur feed stroke engin result densiti fuel record section annex vii appendix si engin determin dynamomet set emiss measur base uncorrect brake power auxiliari oper machin mount engin remov test auxiliari remov power absorb determin order calcul dynamomet set engin auxiliari form integr part engin cool fan air cool engin set inlet restrict exhaust pipe backpressur adjust engin perform adjust manufactur upper limit accord section maximum torqu valu test speed determin experiment order calcul torqu valu test mode engin design oper speed rang full load torqu curv maximum torqu test speed declar manufactur engin set test mode calcul formula gt refer graphic gt dynamomet set kw pm maximum observ declar power test speed test condit appendix annex vii kw pae declar total power absorb auxiliari fit test kw requir appendix annex vii percent torqu test mode ratio gt refer graphic gt pae verifi technic author grant type approv test run instal measur equip instrument sampl probe instal requir full flow dilut system exhaust ga dilut tailpip connect system start dilut system engin dilut system engin start warm temperatur pressur stabilis full load rate speed section adjust dilut ratio total dilut ratio nox concentr control system nox content dilut air measur begin end test pre post test background nox concentr measur dilut air ppm ppm dilut exhaust ga analysi system relev background concentr determin sampl dilut air sampl bag complet test sequenc continu bag background concentr minimum point begin end point middl cycl averag manufactur request background measur omit check analys emiss analys set span test cycl specif machineri section iii annex test cycl dynamomet oper test engin type machineri cycl engin constant speed intermitt load gener set cycl hand held intermedi speed applic cycl hand held rate speed applic cycl hand held applic test mode weight factor gt tabl gt gt tabl gt gt tabl gt gt tabl gt choos test cycl primari end engin model test cycl chosen base exampl section primari end engin uncertain test cycl chosen base engin specif exampl list exhaust typic exampl cycl gener set intermitt load includ gener set board ship train propuls refriger unit weld set ga compressor cycl front rear engin ride lawn mower golf cart lawn sweeper pedestrian control rotari cylind lawn mower snow remov equip wast dispos cycl portabl gener pump welder air compressor includ lawn garden equip oper engin rate speed cycl blower chain saw hedg trimmer portabl mill rotari tiller sprayer string trimmer vacuum equip condit engin warm engin system maximum speed torqu order stabilis engin paramet recommend manufactur note condit period prevent influenc deposit test exhaust system requir period stabilis test point includ minimis point point influenc test sequenc test cycl perform ascend order mode number cycl question mode sampl time exhaust emiss concentr valu measur record respect sampl time measur point mode length suffici durat achiev thermal stabil engin prior start sampl mode length record report engin test dynamomet speed control test configur mode test cycl initi transit period speed held rate speed min whichev greater low idl toler declar manufactur torqu held averag period measur maximum torqu test speed engin test dynamomet load control test configur mode test cycl initi transit period speed rate speed min whichev greater case held low idl toler declar manufactur mode test cycl prescrib torqu greater maximum torqu test speed averag torqu data acquisit period held prescrib torqu mode test cycl prescrib torqu maximum torqu test speed averag torqu data acquisit period held prescrib torqu nm whichev greater analys respons output analys record strip chart record measur equival data acquisit system exhaust ga flow analys mode bag sampl appli dilut measur appendix section sampl bag mode bag sampl analys record engin condit engin speed load intak air temperatur fuel flow measur mode engin stabilis addit data requir calcul record appendix section recheck analys emiss test ga span ga check test consid accept differ measur result ident cycl iso standard appendix measur sampl procedur gaseou compon emit engin submit test measur method annex vi method annex vi describ recommend analyt system gaseou emiss section dynamomet specif engin dynamomet adequ characterist perform test cycl annex iv section instrument torqu speed measur measur shaft power limit addit calcul accuraci measur equip maximum toler figur section exceed fuel flow total dilut flow fuel flow meter accuraci defin section measur fuel flow calcul emiss appendix full flow dilut system total flow dilut exhaust gtotw measur pdp cfv annex vi section accuraci conform provis annex iii appendix section accuraci calibr measur instrument traceabl nation intern standard compli requir tabl tabl permiss deviat instrument engin relat paramet gt tabl gt tabl permiss deviat instrument essenti paramet gt tabl gt determin gaseou compon gener analys specif analys measur rang accuraci requir measur concentr exhaust ga compon section recommend analys oper measur concentr fall full scale full scale ppm ppm read system comput data logger provid suffici accuraci resolut full scale concentr full scale accept case addit calibr made ensur accuraci calibr curv appendix section annex electromagnet compat emc equip level minimis addit error accuraci analys deviat nomin calibr point read measur rang full scale accuraci determin calibr requir laid section repeat repeat time standard deviat repetit respons calibr span ga greater full scale concentr rang ppm ppmc rang ppm ppmc nois analys peak peak respons calibr span gase period exce full scale rang drift respons defin respons includ nois ga time interv drift respons hour period full scale lowest rang span drift span respons defin respons includ nois span ga time interv drift span respons hour period full scale lowest rang ga dry exhaust gase measur wet dry ga dry devic minim effect concentr measur gase chemic dryer accept method remov water sampl analys section describ measur principl detail descript measur system annex vi gase measur analys instrument linear analys linearis circuit permit carbon monoxid analysi carbon monoxid analys dispers infrar ndir absorpt type carbon dioxid analysi carbon dioxid analys dispers infrar ndir absorpt type oxygen analysi oxygen analys paramagnet detector pmd zirconium dioxid zrdo electrochem sensor ec type note zirconium dioxid sensor recommend hc concentr high lean burn spark ignit engin electrochem sensor compens nox interfer hydrocarbon hc analysi direct ga sampl hydrocarbon analys heat flame ionis detector hfid type detector valv pipework heat maintain ga temperatur dilut ga sampl hydrocarbon analys heat flame ionis detector hfid type flame ionis detector fid type oxid nitrogen nox analysi oxid nitrogen analys chemiluminesc detector cld heat chemiluminesc detector hcld type convert measur dry basi measur wet basi hcld convert maintain provid water quench check annex iii appendix section satisfi cld hcld sampl path maintain wall temperatur convert dry measur analys wet measur sampl gaseou emiss composit exhaust ga influenc exhaust treatment system exhaust sampl downstream devic exhaust sampl probe high pressur side muffler exhaust port ensur complet mix engin exhaust sampl extract mix chamber option insert muffler outlet sampl probe intern volum mix chamber time cylind displac engin test roughli equal dimens height width depth similar cube mix chamber size small practic coupl close engin exhaust line leav mix chamber muffler extend mm sampl probe locat suffici size minimis back pressur temperatur surfac mix chamber maintain dew point exhaust gase minimum temperatur recommend compon option measur directli dilut tunnel sampl bag subsequ measur concentr sampl bag appendix calibr analyt instrument introduct analys calibr fulfil accuraci requir standard calibr method paragraph analys appendix section calibr gase shelf life calibr gase respect expiri date calibr gase state manufactur record pure gase requir puriti gase defin contamin limit gase oper purifi nitrogen contamin amp lt ppm amp lt ppm amp lt ppm amp lt ppm purifi oxygen puriti amp gt vol hydrogen helium mixtur hydrogen balanc helium contamin amp lt ppm amp lt ppm purifi synthet air contamin amp lt ppm amp lt ppm amp lt ppm amp lt ppm oxygen content vol calibr span gase mixtur gase chemic composit purifi synthet air section purifi nitrogen purifi nitrogen amount contain calibr ga exce content purifi nitrogen ch purifi synthet air purifi synthet air note ga combin allow provid gase react true concentr calibr span ga nomin concentr calibr ga volum basi volum percent volum ppm gase calibr span obtain mean precis blend devic ga divid dilut purifi purifi synthet air accuraci mix devic concentr dilut calibr gase accur accuraci impli primari gase blend accuraci traceabl nation intern ga standard verif perform full scale calibr incorpor blend devic option blend devic check instrument natur linear ga cld span instrument adjust span ga directli connect instrument blend devic check set nomin compar measur concentr instrument differ point nomin oxygen interfer check oxygen interfer check gase propan ppm ppm hydrocarbon concentr determin calibr ga toler chromatograph analysi total hydrocarbon impur dynam blend nitrogen predomin diluent balanc oxygen blend requir gasolin fuell engin test gt tabl gt oper procedur analys sampl system oper procedur analys follow start oper instruct instrument manufactur minimum requir section includ laboratori instrument gc high perform liquid chromatographi hplc section appli leakag test system leakag test perform probe disconnect exhaust system end plug analys pump switch initi stabilis period flow meter read sampl line check fault correct maximum allow leakag rate vacuum side flow rate portion system check analys flow bypass flow estim flow rate altern system evacu pressur kpa vacuum kpa absolut initi stabilis period pressur increas δp kpa min system exce gt refer graphic gt vsyst system volum fr system flow rate min method introduct concentr step chang begin sampl line switch span ga adequ period time read show lower concentr compar introduc concentr point calibr leakag problem calibr procedur instrument assembl instrument assembl calibr calibr curv check standard gase ga flow rate sampl exhaust ga warm time warm time recommend manufactur minimum hour recommend warm analys ndir hfid analys ndir analys tune combust flame hfid analys optimis section gc hpcl instrument calibr good laboratori practic recommend manufactur establish calibr curv gener guidelin oper rang calibr purifi synthet air nitrogen nox hc analys set calibr gase introduc analys valu record calibr curv establish instrument rang lowest rang calibr curv establish calibr point exclud equal space lowest rang instrument calibr curv establish calibr point exclud space half calibr point analys full scale rest full scale rang highest nomin concentr equal higher full scale calibr curv calcul method squar fit linear linear equat calibr point differ squar fit line read full scale whichev larger set recheck calibr procedur repeat altern method shown altern technolog comput electron control rang switch give equival accuraci altern verif calibr oper rang check prior analysi accord procedur calibr check ga span ga nomin full scale measur rang point consid found differ full scale declar refer adjust paramet modifi case span ga verifi calibr curv establish accord section calibr tracer ga analys exhaust flow measur analys measur tracer ga concentr calibr standard ga calibr curv establish calibr point exclud space half calibr point analys full scale rest full scale calibr curv calcul method squar calibr curv differ full scale nomin calibr point rang full scale differ read nomin rang full scale analys set span prior test run ga span ga nomin analys full scale effici test nox convert effici convert convers test section figur annex iii appendix test set test set shown figur annex iii procedur effici convert test mean ozon calibr cld hcld calibr common oper rang manufactur specif span ga content amount oper rang concentr ga mixtur concentr nox analys mode span ga pass convert concentr record calcul effici nox convert calcul gt refer graphic gt nox concentr section nox concentr section concentr section concentr section ad oxygen fit oxygen air ad continu ga flow concentr calibr concentr section analys mode concentr record ozon deactiv process activ ozon ozon activ gener ozon bring concentr minimum calibr concentr section concentr record analys mode nox mode analys switch nox mode ga mixtur consist pass convert concentr record analys nox mode deactiv ozon ozon deactiv mixtur gase section pass convert detector concentr record analys nox mode mode switch mode ozon deactiv flow oxygen synthet air shut nox read analys deviat measur section analys mode test interv effici convert check monthli effici requir effici convert higher effici strongli recommend note analys common rang ozon give reduct section highest rang give reduct adjust fid optimis detector respons hfid adjust instrument manufactur propan air span ga optimis respons common oper rang fuel airflow rate set manufactur recommend ppm span ga introduc analys respons fuel flow determin differ span ga respons ga respons fuel flow increment adjust manufactur specif span respons fuel flow record differ span respons plot fuel flow adjust rich side curv initi flow rate set optimis depend result hydrocarbon respons factor oxygen interfer check section oxygen interfer hydrocarbon respons factor meet specif airflow increment adjust manufactur specif section repeat flow hydrocarbon respons factor analys calibr propan air purifi synthet air section respons factor determin introduc analys servic major servic interv respons factor rf hydrocarbon speci ratio fid read ga concentr cylind express ppm concentr test ga level give respons approxim full scale concentr accuraci refer gravimetr standard express volum addit ga cylind precondit hour temperatur test gase recommend rel respons factor rang methan purifi synthet air amp lt rf amp lt propylen purifi synthet air amp lt rf amp lt toluen purifi synthet air amp lt rf amp lt valu rel respons factor rf propan purifi synthet air oxygen interfer check oxygen interfer check determin introduc analys servic major servic interv rang chosen oxygen interfer check gase fall upper test conduct oven temperatur set requir oxygen interfer gase section analys zero analys span oxygen blend gasolin fuell engin respons recheck chang full scale subsect section repeat oxygen interfer check gase introduc respons recheck chang full scale test repeat oxygen interfer calcul mixtur step gt refer graphic gt gt refer graphic gt hydrocarbon concentr ppm span ga subsect hydrocarbon concentr ppm oxygen interfer check gase subsect analys respons percent full scale analys respons due oxygen interfer requir oxygen interfer check gase prior test oxygen interfer greater air flow manufactur specif increment adjust repeat section flow oxygen interfer greater adjust air flow fuel flow sampl flow vari repeat section set oxygen interfer greater analys fid fuel burner air repair replac prior test section repeat repair replac equip gase interfer effect nox analys gase analys interfer read wai posit interfer occur ndir pmd instrument interf ga effect ga measur lesser degre neg interfer occur ndir instrument interf ga broaden absorpt band measur ga cld instrument interf ga quench radiat interfer check section perform prior analys initi major servic interv year analys interfer check water interfer analys perform span ga concentr full scale maximum oper rang test bubbl water room temperatur analys respons record analys respons full scale rang equal ppm ppm rang ppm nox analys quench check gase concern cld hcld analys water vapour quench respons gase proport concentr requir test techniqu determin quench highest expect concentr experienc test quench check span ga concentr full scale maximum oper rang pass ndir analys record dilut approxim span ga pass ndir cld valu record shut span ga pass cld record quench greater full scale calcul gt refer graphic gt undilut concentr measur ndir dilut concentr measur ndir dilut concentr measur cld ppm undilut concentr measur cld ppm altern method dilut quantifi span ga valu dynam mix blend water quench check check appli wet ga concentr measur calcul water quench dilut span ga water vapour scale water vapour concentr mixtur expect test span ga concentr full scale normal oper rang pass cld record span ga bubbl water room temperatur pass cld record water temperatur determin record mixtur satur vapour pressur correspond bubbler water temperatur determin record water vapour concentr mixtur calcul gt refer graphic gt record expect dilut span ga water vapour concentr calcul gt refer graphic gt record de water quench greater calcul gt refer graphic gt de expect dilut concentr ppm dilut concentr ppm hm maximum water vapour concentr actual water vapour concentr note import span ga minim concentr check absorpt water account quench calcul analys interfer instrument respons pmd analys caus gase oxygen compar slight oxygen equival common exhaust ga constitu shown tabl tabel oxygen equival gt tabl gt observ oxygen concentr correct formula high precis measur gt refer graphic gt calibr interv analys calibr section month system repair chang made influenc calibr appendix data evalu calcul gaseou emiss evalu evalu gaseou emiss chart read minimum mode averag averag concentr conc hc nox mode determin averag chart read calibr data type record ensur equival data acquisit averag background concentr concd determin bag read dilut air continu bag background read calibr data calcul gaseou emiss final report test result deriv step dry wet correct measur concentr measur wet basi convert wet basi gt refer graphic gt raw exhaust ga gt refer graphic gt hydrogen carbon ratio fuel concentr exhaust calcul gt refer graphic gt factor kw calcul gt refer graphic gt ha absolut humid intak air water kg dry air dilut exhaust ga wet measur gt refer graphic gt dry measur gt refer graphic gt hydrogen carbon ratio fuel factor kw calcul equat gt refer graphic gt hd absolut humid dilut air water kg dry air ha absolut humid intak air water kg dry air gt refer graphic gt dilut air gt refer graphic gt factor kw calcul equat gt refer graphic gt gt refer graphic gt hd absolut humid dilut air water kg dry air ha absolut humid intak air water kg dry air gt refer graphic gt intak air dilut air gt refer graphic gt factor kw calcul equat gt refer graphic gt ha absolut humid intak air water kg dry air humid correct nox nox emiss depend ambient air condit nox concentr multipli factor kh take account humid gt refer graphic gt gt refer graphic gt ha absolut humid intak air water kg dry air calcul emiss mass flow rate emiss mass flow rate gasmass mode calcul raw exhaust ga gt refer graphic gt gfuel kg fuel mass flow rate mwga kg kmol molecular weight individu ga shown tabl tabl molecular weight gt tabl gt mwfuel kg kmole fuel molecular weight hydrogen carbon ratio oxygen carbon ratio fuel air concentr intak air assum equal measur dilut exhaust ga gt refer graphic gt gtotw kg dilut exhaust ga mass flow rate wet basi full flow dilut system determin annex iii appendix section concc background correct concentr gt refer graphic gt gt refer graphic gt coeffici shown tabl tabl valu coeffici gt tabl gt valu coeffici base molecular weight dilut exhaust gase equal kg kmol hc base averag carbon hydrogen ratio calcul specif emiss specif emiss kwh calcul individu compon gt refer graphic gt pi pm pae auxiliari cool fan blower fit test power absorb ad result engin auxiliari integr part engin fan blower power determin speed test calcul standard characterist practic test appendix annex vii weight factor number mode calcul shown annex iv section exampl raw exhaust ga data stroke si engin refer experiment data tabl calcul carri mode extend test mode procedur tabl experiment data stroke si engin gt tabl gt dry wet correct factor kw dry wet correct factor kw calcul convert dry measur wet basi gt refer graphic gt gt refer graphic gt gt refer graphic gt gt refer graphic gt gt refer graphic gt gt refer graphic gt gt refer graphic gt gt refer graphic gt tabl wet valu test mode gt tabl gt hc emiss gt refer graphic gt gt refer graphic gt gt refer graphic gt gt refer graphic gt tabl hc emiss test mode gt tabl gt nox emiss humid correct factor kh nox emiss calcul gt refer graphic gt gt refer graphic gt tabl humid correct factor kh nox emiss mode gt tabl gt noxmass calcul gt refer graphic gt gt refer graphic gt tabl nox emiss test mode gt tabl gt emiss gt refer graphic gt gt refer graphic gt tabl emiss test mode gt tabl gt emiss gt refer graphic gt gt refer graphic gt tabl emiss test mode gt tabl gt specif emiss specif emiss kwh calcul individu compon gt refer graphic gt tabl emiss weight factor test mode gt tabl gt gt refer graphic gt gt refer graphic gt gt refer graphic gt gt refer graphic gt raw exhaust ga data stroke si engin refer experiment data tabl calcul carri mode extend test mode procedur tabl experiment data stroke si engin gt tabl gt dry wet correct factor kw dry wet correct factor kw calcul convert dry measur wet basi gt refer graphic gt gt refer graphic gt gt refer graphic gt gt refer graphic gt gt refer graphic gt gt refer graphic gt gt refer graphic gt gt refer graphic gt tabl wet valu test mode gt tabl gt hc emiss gt refer graphic gt gt refer graphic gt gt refer graphic gt gt refer graphic gt tabl hc emiss test mode gt tabl gt nox emiss factor kh correct nox emiss equal stroke engin gt refer graphic gt gt refer graphic gt tabl nox emiss test mode gt tabl gt emiss gt refer graphic gt gt refer graphic gt tabl emiss test mode gt tabl gt emiss gt refer graphic gt gt refer graphic gt tabl emiss test mode gt tabl gt specif emiss specif emiss kwh calcul individu compon gt refer graphic gt tabl emiss weight factor test mode gt tabl gt gt refer graphic gt gt refer graphic gt gt refer graphic gt gt refer graphic gt dilut exhaust ga data stroke si engin refer experiment data tabl calcul carri mode extend test mode procedur tabl experiment data stroke si engin gt tabl gt dry wet correct factor kw dry wet correct factor kw calcul convert dry measur wet basi dilut exhaust ga gt refer graphic gt gt refer graphic gt gt refer graphic gt gt refer graphic gt gt refer graphic gt gt refer graphic gt gt refer graphic gt gt refer graphic gt tabl wet valu dilut exhaust ga test mode gt tabl gt dilut air kw kw factor kw calcul dilut exhaust ga kw gt refer graphic gt gt refer graphic gt tabl wet valu dilut air test mode gt tabl gt hc emiss gt refer graphic gt tabl concc conc concd df concc ppm hcmass tabl hc emiss test mode gt tabl gt nox emiss factor kh correct nox emiss calcul gt refer graphic gt gt refer graphic gt tabl humid correct factor kh nox emiss test mode gt tabl gt gt refer graphic gt tabl concc conc concd df concc ppm noxmass tabl nox emiss test mode gt tabl gt emiss gt refer graphic gt tabl concc conc concd df concc ppm comass tabl emiss test mode gt tabl gt emiss gt refer graphic gt tabl concc conc concd df concc vol mass tabl emiss test mode gt tabl gt specif emiss specif emiss kwh calcul individu compon gt refer graphic gt tabl emiss weight factor test mode gt tabl gt gt refer graphic gt gt refer graphic gt gt refer graphic gt gt refer graphic gt case nox concentr multipli humid correct factor kh humid correct factor nox iso complet formula fuel molecular weight quot formula chapter formula take account hydrogen carbon ratio oxygen carbon ratio fuel compon sulphur nitrogen si engin direct test petrol quot refer fuel annex carbon hydrogen simplifi formula consid case nox concentr multipli humid correct factor kh humid correct factor nox appendix complianc emiss standard appendix appli si engin stage exhaust emiss standard stage engin annex appli emiss engin emiss durabl period edp determin accord appendix stage engin properli test procedur direct test engin repres engin famili emiss adjust multipl deterior factor df laid appendix equal stage emiss standard famili emiss limit fel applic engin class famili consid compli emiss standard engin class test engin repres engin famili emiss adjust multipl deterior factor laid appendix greater singl emiss standard fel applic engin class famili consid compli emiss standard engin class small volum engin manufactur option deterior factor hc nox tabl section calcul deterior factor hc nox process section technolog cover tabl section manufactur process section appendix tabl hand held engin hc nox assign deterior factor small volum manufactur gt tabl gt tabl hand held engin hc nox assign deterior factor small volum manufactur gt tabl gt formula calcul deterior factor engin treatment gt refer graphic gt df deterior factor ne engin emiss level prior catalyst kwh edf deterior factor engin catalyst shown tabl cc amount convert hour kwh hc nox class engin class engin manufactur obtain assign df calcul df regul pollut stage engin famili df type approv product line test engin assign df tabl section df determin test engin repres configur chosen exce hc nox emiss standard fel applic construct repres product engin conduct full test procedur emiss test direct number hour repres stabilis emiss engin test averag result round number decim place contain applic standard express addit signific figur conduct emiss test ag engin ag procedur design manufactur appropri predict emiss deterior expect durabl period engin take account type wear deterior mechan expect typic consum affect emiss perform engin test averag result round number decim place contain applic standard express addit signific figur divid emiss end durabl period averag emiss applic regul pollut stabilis emiss averag emiss applic round signific figur result number df case df manufactur option addit emiss test point schedul stabilis emiss test point emiss durabl period intermedi test schedul test point evenli space edp minu hour test point half full edp minu hour pollut hc nox straight line fit data point treat initi test occur hour method squar deterior factor calcul emiss end durabl period divid calcul emiss hour calcul deterior factor cover famili addit gener manufactur submit justif accept nation type approv author advanc type approv affect engin famili expect similar emiss deterior characterist base design technolog exclus list design technolog group convent stroke engin treatment system convent stroke engin ceram catalyst activ materi load number cell cm convent stroke engin metal catalyst activ materi load substrat number cell cm stroke engin provid stratifi scaveng system stroke engin catalyst defin valv technolog ident lubric system stroke engin catalyst valv technolog ident lubric system emiss durabl period stage engin manufactur declar applic edp categori engin famili time type approv categori categori close approxim expect live equip engin expect instal determin engin manufactur manufactur retain data support choic edp categori engin famili data suppli approv author request hand held engin manufactur select edp categori tabl tabl edp categori hand held engin hour gt tabl gt hand held engin manufactur select edp categori tabl tabl edp categori hand held engin hour gt tabl gt manufactur satisfi approv author declar life data support manufactur choic edp categori engin famili includ limit survei life span equip subject engin instal engin evalu field ag engin ascertain engin perform deterior point us reliabl impact degre suffici necessit overhaul replac warranti statement warranti period market materi engin life failur report engin custom engin evalu durabl hour specif engin technolog engin materi engin design quot annex iv annex amend current head replac technic characterist refer fuel prescrib approv test verifi conform product road mobil machineri refer fuel ci engin tabl line quot neutralis quot word quot minimum quot column replac word quot maximum quot tabl footnot ad road mobil machineri refer fuel si engin note fuel stroke engin blend lubric oil petrol fuel oil mixtur ratio ratio recommend manufactur annex iv section gt tabl gt note valu quot specif quot true valu quot establish limit valu term iso quot petroleum product determin applic precis data relat method test quot appli fix minimum minimum differ account fix maximum minimum minimum differ reproduc notwithstand measur statist reason manufactur fuel aim stipul maximum case quotat maximum minimum limit clarifi question fuel meet requir specif term iso appli note fuel oxid inhibitor metal deactiv stabilis refineri gasolin stream deterg dispers addit solvent oil ad annex annex vi annex vi annex vii amend appendix amend head replac appendix test result compress ignit engin section replac power absorb engin speed manufactur gt tabl gt section replac engin power gt tabl gt section amend emiss level dynamomet set kw gt tabl gt emiss result test cycl appendix ad quot appendix test result spark ignit engin inform conduct test octan number octan number state percentag oil mixtur lubric petrol mix case stroke engin densiti petrol stroke engin petrol oil mixtur stroke engin lubric make type engin driven equip applic enumer identifi detail power absorb engin speed manufactur gt tabl gt engin perform engin speed idl min intermedi min rate min engin power gt tabl gt emiss level dynamomet set kw gt tabl gt emiss result test cycl kwh hc kwh nox kwh case parent engin uncorrect power measur accord provis section annex quot appendix ad quot appendix equip auxiliari instal test determin engin power gt tabl gt quot annex vii annex viii xi annex ad quot annex xii recognit altern type approv type approv applic pertain approv mark recognis equival approv direct engin categori defin articl direct ec type approv direct eec compli requir stage articl annex section direct eec amend direct eec ec regul seri amend corrigenda certif type approv ec regul engin categori stage ii defin articl type approv applic pertain approv mark recognis equival approv direct direct ec stage ii approv type approv direct eec amend direct ec complianc stage provid articl section annex ec regul seri amend ec regul stage approv paragraph seri amend regul quot ident cycl draft iso standard ident cycl iso standard illustr prime power definit figur iso standard uncorrect power measur accord provis section annex