direct ec european parliament council decemb 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 act accord procedur laid articl treati light joint text approv concili committe novemb commun programm polici action relat environ sustain develop recogn fundament principl person effect protect recogn health risk air pollut necessit control emiss nitrogen dioxid particul pt black smoke pollut carbon monoxid regard prevent tropospher ozon format health environment impact emiss precursor nitrogenoxid nox hydrocarbon hc reduc environment damag caus acidif requir reduct inter alia emiss nox hc commun sign ec protocol volatil organ compound voc reduct april adher protocol nox reduct decemb relat convent long rang transboundari air pollut approv juli object reduc level pollut emiss road mobil machineri engin establish oper intern market engin machineri suffici achiev individu member state achiev approxim law member state relat measur air pollut engin instal road mobil machineri recent investig undertaken commiss show emiss road mobil machineri engin constitut signific proport total man made emiss noxiou atmospher pollut categori compress ignit engin regul direct respons consider share air pollut nox pt compar come road transport sector emiss road mobil machineri oper ground equip compress ignit engin emiss nox pt constitut primari concern area sourc regul instanc subsequ extend scope direct includ control emiss road mobil machineri engin includ transport gener set base test cycl gasolin engin consider reduct hc emiss achiev envisag enlarg scope direct includ gasolin engin emiss control legisl agricultur forestri tractor engin ensur level environment protect equival level establish pursuant direct standard requir fulli consist introduc respect certif procedur type approv approach european method stood test time approv road vehicl compon element approv parent engin behalf group engin engin famili built similar compon similar construct principl introduc engin produc complianc requir direct mark notifi approv author order administr burden low direct control author engin product date relev strengthen requir foreseen freedom manufactur requir facilit prepar spot check author make relev product plan inform regular interv absolut complianc notif made accord procedur obligatori high degre complianc facilit approv author plan assess contribut relationship increas trust manufactur type approv author approv grant accord direct eec ec regul seri list annex iv appendix ii direct eec recogn equival requir direct stage engin complianc requir direct cover scope permit market member state engin subject nation emiss requir member state grant approv control measur lai test procedur limit valu account specif usag pattern type engin introduc standard proven principl stage approach engin higher power output achiev substanti emiss reduct easier exist technolog develop engin road vehicl take account stagger implement requir foreseen begin highest powerband stage principl retain stage ii except fourth powerband cover stage sector road mobil machineri applic regul import agricultur tractor compar emiss come road transport consider reduct emiss expect implement direct due gener good perform diesel engin respect hc emiss margin improv respect total amount emit small order make provis case except technic econom circumst procedur integr exempt manufactur oblig aris direct order ensur conform product cop approv grant engin manufactur requir provid arrang provis made case discov conform lai inform procedur correct action cooper procedur settl differ opinion member state respect conform certifi engin entitl member state lai requir ensur worker protect road mobil machineri affect direct technic provis annex direct supplement adapt technic progress committe procedur provis laid ensur test engin complianc rule good laboratori practic promot global trade sector harmon emiss standard commun appli plan countri envisag possibl reconsid situat basi avail econom feasibl technolog take account progress achiev implement stage agreement modu vivendi european parliament council commiss implement measur act adopt accord procedur laid articl treati reach decemb adopt direct articl object direct aim approxim law member state relat emiss standard type approv procedur engin instal road mobil machineri contribut smooth function intern market protect human health environ articl definit purpos direct road mobil machineri mobil machin transport industri equip vehicl bodi work intend passeng good transport road intern combust engin annex section instal type approv procedur member state certifi intern combust engin type engin famili regard level emiss gaseou particul pollut engin satisfi relev technic requir direct engin type categori engin differ essenti engin characterist annex ii appendix engin famili manufactur group engin design expect similar exhaust emiss characterist compli requir direct parent engin engin select engin famili compli requir set section annex engin power output net power section annex engin product date date engin pass final check left product line stage engin readi deliv put stock place market small action make commun market payment free charg product cover direct view distribut commun manufactur person bodi respons approv author aspect type approv process ensur conform product essenti person bodi directli involv stage construct engin approv author member state compet author author respons aspect type approv engin engin famili issu withdraw approv certif serv contact point approv author member state verifi manufactur conform product arrang technic servic organ bodi i appoint test laboratori carri test inspect behalf approv author member state function carri approv author inform document document set annex ii prescrib inform suppli applic inform folder total folder file data draw photograph suppli applic technic servic approv author prescrib inform document inform packag inform folder test report document technic servic approv author ad inform folder carri function index inform packag document content inform packag suitabl number mark identifi page list articl applic type approv applic engin engin famili type approv submit manufactur approv author member state applic accompani inform folder content inform document annex ii engin conform engin type characterist annex ii appendix submit technic servic respons conduct approv test case applic type approv engin famili approv author determin regard select parent engin submit applic fulli repres engin famili annex ii appendix altern addit parent engin determin approv author provid approv paragraph applic respect engin type engin famili submit member state separ applic submit engin type engin famili approv articl type approv procedur member state receiv applic grant type approv engin type engin famili conform particular inform folder meet requir direct member state complet applic section type approv certif model annex vi engin type engin famili approv compil verifi content index inform packag type approv certif number accord method annex vii complet type approv certif attach deliv applic engin approv fulfil function offer specif featur conjunct part road mobil machineri reason complianc requir verifi engin approv oper conjunct machineri part real simul scope type approv engin restrict type approv certif engin type engin famili includ restrict condit fit approv author member state send monthli approv author member state list particular shown annex viii engin engin famili type approv grant refus grant withdrawn month receiv request approv author member state send forthwith copi engin engin famili type approv certif inform packag engin type engin famili approv refus approv withdrawn list engin produc type approv grant articl particular shown annex ix copi declar articl approv author member state yearli addit receiv applic send commiss copi data sheet shown annex relat engin approv notif made articl amend approv member state grant type approv measur ensur inform chang particular appear inform packag applic amend extens type approv submit exclus approv author member state grant origin type approv particular appear inform packag chang approv author member state question issu revis page inform packag mark revis page show natur chang date issu revis page issu index inform packag attach type approv certif amend show latest date revis page issu revis type approv certif denot extens number inform exclud attach chang standard direct chang date approv revis certif show reason revis date issu approv author member state question find amend inform packag warrant fresh test check inform manufactur thereof issu document mention conduct success fresh test check articl conform manufactur affix unit manufactur conform approv type mark defin section annex includ type approv number type approv certif accord articl includ restrict manufactur deliv unit manufactur detail inform restrict condit fit seri engin type deliv singl manufactur machineri suffici provid inform document latest deliveri date engin addition list relev engin identif number manufactur send demand approv author grant type approv dai end calendar year delai applic date requir direct chang immedi addit date author stipul list rang identif number engin type produc accord requir direct report made requir direct applic clarifi engin code system list correl identif number engin type engin famili type approv number addition list inform manufactur ceas produc approv engin type engin famili list requir regularli approv author manufactur maintain record minimum period year manufactur send approv author grant type approv dai end calendar year applic date refer articl declar engin type engin famili relev engin identif code engin intend produc date articl accept equival approv european parliament council act propos commiss acknowledg equival condit provis type approv engin establish direct procedur establish intern regul regul countri framework multilater bilater agreement commun countri type approv direct eec complianc stage provid articl section annex direct eec applic pertain approv mark accept stage provid articl direct valid termin effect mandatori implement stage ii provid articl direct articl registr place market member state refus registr applic place market engin instal machineri meet requir direct member state permit registr applic place market engin instal machineri meet requir direct approv author member state grant type approv measur relat approv regist control cooper approv author member state identif number engin produc conform requir direct addit control identif number place conjunct control conform product articl regard control identif number manufactur agent establish commun delai give request respons approv author inform need relat purchas identif number engin report produc accord articl engin sold manufactur machineri inform requir request approv author manufactur verifi requir articl conjunct paragraph articl approv grant respect engin type famili pursuant direct withdrawn inform procedur carri articl articl timet grant type approv june member state refus grant type approv engin type engin famili issu document annex vi impos type approv requir regard air pollut emiss road mobil machineri engin instal engin meet requir direct emiss gaseou particul pollut type approv stage engin categori member state refus grant type approv engin type engin famili issu document annex vi refus grant type approv road mobil machineri engin instal june engin power output gt tabl gt engin fail meet requir direct emiss gaseou particul pollut engin compli limit valu set tabl section annex type approv stage ii engin categori member state refus grant type approv engin type engin famili issu document annex vi refus grant type approv road mobil machineri engin instal gt tabl gt engin fail meet requir direct emiss gaseou particul pollut engin compli limit valu set tabl section annex registr place market engin product date date refer except machineri engin intend export countri member state permit registr applic place market engin instal machineri meet requir direct engin approv complianc categori defin paragraph gt tabl gt categori member state postpon date mention requir year respect engin product date prior date permiss grant stage engin termin effect mandatori implement stage ii articl exempt altern procedur requir articl articl appli engin arm servic engin exempt accord paragraph member state request manufactur exempt end seri engin stock stock road mobil machineri respect engin time limit place market set articl accord condit manufactur submit applic approv author member state approv engin type engin famili i entri forc time limit applic manufactur includ list defin articl engin market time limit case engin cover direct time submit applic type approv author member state engin store request technic econom reason base engin conform type famili type approv longer valid type approv produc time limit engin physic store commun time limit maximum number engin type market member state applic exempt exce engin type concern market member state previou year request accept member state month send approv author member state particular reason exempt grant manufactur member state grant exempt articl respons ensur manufactur compli oblig approv author releas engin question certif conform special entri made applic consolid document engin identif number question member state year send commiss list exempt grant reason option limit period month date engin time subject time limit place market articl conform product arrang member state grant type approv measur verifi regard specif laid section annex cooper approv author member state adequ arrang made ensur effect control conform product grant type approv member state grant type approv measur verifi regard specif laid section annex cooper approv author member state arrang refer paragraph continu adequ product engin bear type approv number pursuant direct continu conform descript approv certif annex approv engin type famili articl conform approv type famili failur conform approv type famili deviat particular type approv certif inform packag found exist deviat author pursuant articl member state grant type approv member state grant type approv find engin accompani certif conform bear approv mark conform type famili approv measur ensur engin product conform approv type famili approv author member state advis member state measur extend withdraw type approv member state demonstr engin bear type approv number conform approv type famili request member state grant type approv verifi engin product conform approv type famili action month date request approv author member state inform month withdraw type approv reason measur member state grant type approv disput failur conform notifi member state concern endeavour settl disput commiss inform hold consult purpos reach settlement articl worker protect requir provis direct affect member state entitl lai due observ treati requir deem ensur worker protect machineri refer direct provid affect place market engin question articl adapt technic progress amend order adapt annex direct exempt requir section section section annex account technic progress adopt commiss assist committe establish accord articl direct eec accord procedur laid articl direct articl committe procedur 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 appli immedi measur envisag accord opinion committe commun commiss council forthwith event commiss defer applic measur decid period exceed month date commun council act qualifi major decis time limit refer indent articl approv author technic servic member state notifi commiss member state name address approv author technic servic respons purpos direct notifi servic satisfi requir laid articl direct eec articl transpos nation law member state bring forc law regul administr provis compli direct june 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 provis nation law adopt field govern direct articl entri forc direct enter forc dai public offici journal european commun articl reduct emiss limit valu european parliament council decid end year propos commiss submit end reduct emiss limit valu take account global avail techniqu control air pollut emiss compress ignit engin air qualiti situat articl addresse direct address member state brussel decemb european parliament presid gil robl council presid lahur oj oj opinion european parliament octob oj council common posit januari oj decis european parliament oj council decis decemb decis european parliament decemb resolut council repres govern member state meet council februari oj council direct eec decemb approxim law member state relat measur emiss gaseou pollut diesel engin vehicl oj direct amend direct ec oj council direct eec june amend direct eec approxim law member state relat type approv motor vehicl trailer oj oj oj annex scope definit symbol abbrevi engin mark specif test specif conform product assess paramet defin engin famili choic parent engin scope direct appli engin instal road mobil machineri direct appli engin propuls vehicl defin direct eec direct eec agricultur tractor defin direct eec addition order cover direct engin instal machineri meet specif requir intend suit move move ground road engin net power accord section higher kw kw oper intermitt speed singl constant speed machineri engin cover definit includ limit industri drill rig compressor construct equip includ wheel loader bulldoz crawler tractor crawler loader truck type loader highwai truck hydraul excav agricultur equip rotari tiller forestri equip propel agricultur vehicl tractor defin materi handl equip fork lift truck road mainten equip motor grader road roller asphalt finish snow plough equip ground support equip airport aerial lift mobil crane direct applic applic ship railwai locomot aircraft gener set definit symbol abbrevi purpos direct compress ignit engin engin work compress ignit principl diesel engin gaseou pollut carbon monoxid hydrocarbon assum ratio oxid nitrogen name express nitrogen dioxid equival particul pollut materi collect filter medium dilut engin exhaust ga clean filter air temperatur exce net power power eec kw obtain test bench end crankshaft equival measur accord eec method measur power intern combust engin road vehicl set direct eec power engin cool fan exclud test condit refer fuel direct adher rate speed maximum full load speed allow governor manufactur cent load fraction maximum torqu engin speed maximum torqu speed engin speed maximum torqu obtain engin manufactur intermedi speed engin speed meet requir engin design oper speed rang full load torqu curv intermedi speed declar maximum torqu speed occur rate speed declar maximum torqu speed rate speed intermedi speed rate speed declar maximum torqu speed greater rate speed intermedi speed rate speed symbol abbrevi gt tabl gt gt tabl gt gt tabl gt engin mark engin approv technic unit bear trade mark trade manufactur engin engin type engin famili applic uniqu engin identif number ec type approv number annex vii mark durabl life engin legibl indel label plate attach manner addit fix durabl life engin label plate remov destroi defac mark secur engin part normal engin oper requir replac engin life mark locat readili visibl averag person engin complet auxiliari engin oper engin provid supplementari movabl plate durabl materi bear data section posit order make mark refer section readili visibl averag person easili access engin instal machin code engin context identif number indubit determin sequenc product leav product line engin bear mark exact locat engin mark declar annex vi section specif test gener compon liabl affect emiss gaseou particul 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 provis deem met provis section compli catalyt convert particul trap manufactur prove durabl test carri accord good engin practic record treatment devic expect function properli lifetim engin record produc complianc requir section section warranti guarante custom systemat replac devic run time engin permiss adjust repair disassembl clean replac engin compon system perform period basi prevent malfunct engin context treatment devic extent technolog assur proper function emiss control system schedul mainten requir includ custom manual cover warranti provis mention approv approv grant extract manual respect mainten replac treatment devic warranti condit includ inform document set annex ii direct specif emiss pollut gaseou particul compon emit engin submit test measur method annex system analys accept yield equival result refer system gaseou emiss measur raw exhaust system shown figur annex gaseou emiss measur dilut exhaust full flow dilut system system shown figur annex particul emiss full flow dilut system oper separ filter mode singl filter method shown figur annex determin system equival base test cycl larger correl studi system consider refer system equival criterion defin agreement averag weight cycl emiss valu cycl annex iii section introduct system direct determin equival base calcul repeat reproduc iso emiss carbon monoxid emiss hydrocarbon emiss oxid nitrogen emiss particul obtain stage exce amount shown tabl gt tabl gt emiss limit point engin limit achiev exhaust treatment devic emiss carbon monoxid emiss hydrocarbon emiss oxid nitrogen emiss particul obtain stage ii exce amount shown tabl gt tabl gt defin section conjunct annex ii appendix engin famili cover power band emiss valu parent engin type approv engin type famili cop meet stringent requir higher power band applic free choic restrict definit engin famili singl power band correspondingli appli certif instal mobil machineri engin instal mobil machineri compli restrict set scope type approv addition characterist respect approv engin met intak depress exce approv engin annex ii appendix exhaust back pressur exce approv engin annex ii appendix specif conform product assess regard verif exist satisfactori arrang procedur ensur effect control product conform grant type approv approv author accept manufactur registr harmon standard en scope cover engin concern equival accredit standard satisfi requir manufactur provid detail registr undertak inform approv author revis valid scope order verifi requir section continu met suitabl control product carri holder approv ensur exist procedur effect control qualiti product access control equip check conform approv type ensur data test result record annex document remain period determin accord approv author analys result type test order verifi ensur stabil engin characterist make allow variat industri product process ensur sampl engin compon give evid conform type test consid give rise sampl test step establish conform product compet author grant approv time verifi conform control method applic product unit inspect test book product survei record present visit inspector qualiti level appear unsatisfactori verifi valid data present applic section procedur adopt engin seri subject test annex iii emiss carbon monoxid emiss hydrocarbon emiss oxid nitrogen emiss particul obtain exce amount shown tabl section subject requir section shown tabl section engin seri satisfi requir section manufactur measur perform sampl engin specif seri includ engin origin manufactur determin size sampl agreement technic servic engin engin origin subject test arithmet gt start graphic gt gt end graphic gt result obtain sampl determin pollut product seri deem confirm condit met gt start graphic gt gt end graphic gt st amp le limit laid section pollut consid statist factor depend tabl gt tabl gt amp ge gt num gt gt den gt amp radic approv author technic servic respons verifi conform product carri test engin run partial complet manufactur specif normal frequenc inspect author compet author year requir section met compet author ensur step establish conform product rapidli paramet defin engin famili engin famili defin basic design paramet common engin famili case interact paramet effect consider ensur engin similar exhaust emiss characterist includ engin famili order engin consid belong engin famili list basic paramet common combust cycl cycl cycl cool medium air water oil individu cylind displac engin total spread number cylind engin treatment devic method air aspir natur aspir pressur charg combust chamber type design pre chamber swirl chamber open chamber valv port configur size number cylind head cylind wall crankcas fuel system pump line injector line pump distributor pump singl element unit injector miscellan featur exhaust ga recircul water inject emuls air inject charg cool system exhaust treatment oxid catalyst reduct catalyst thermal reactor particul trap choic parent engin parent engin famili select primari criteria highest fuel deliveri stroke declar maximum torqu speed event engin share primari criteria parent engin select secondari criteria highest fuel deliveri stroke rate speed circumst approv author conclud worst case emiss rate famili character test engin approv author select addit engin test base featur highest emiss level engin famili engin famili incorpor variabl featur consid affect exhaust emiss featur identifi account select parent engin oj direct amend direct eec oj oj oj direct amend direct eec oj approv grant accord regul econom commiss europ seri amend corrigenda deem equival approv grant accord direct eec direct eec annex iv section ii oj direct amend direct eec oj mean contrari requir section annex direct eec engin cool fan instal test check engin net power contrari manufactur carri test fan instal engin power absorb fan sum power measur st gt num gt gt start graphic gt gt end graphic gt gt den gt individu result obtain sampl annex ii inform document relat type approv refer measur emiss gaseou particul pollut intern combust engin instal road mobil machineri direct ec amend direct ec gt start graphic gt parent engin engin type gener make undertak type commerci descript parent applic famili engin manufactur type code mark engin specif machineri propel engin address manufactur address manufactur author repres locat code method affix engin identif number locat method affix ec approv mark address es assembl plant attach essenti characterist parent engin appendix essenti characterist engin famili appendix essenti characterist engin type famili appendix characterist engin relat part mobil machineri applic photograph parent engin list attach date file delet defin annex section gt end graphic gt appendix essenti characterist parent engin gt start graphic gt descript engin manufactur manufactur engin code cycl stroke stroke bore mm stroke mm number layout cylind engin capac cm rate speed maximum torqu speed volumetr compress ratio combust system descript draw combust chamber piston crown minimum cross section area inlet outlet port cool system liquid natur liquid circul pump characterist make type applic drive ratio applic air blower characterist make type applic drive ratio applic temperatur permit manufactur liquid cool maximum temperatur outlet air cool refer point maximum temperatur refer point maximum charg air outlet temperatur inlet intercool applic maximum exhaust temperatur point exhaust pipe adjac outer flang exhaust manifold lubric temperatur minimum maximum strike appli toler pressur charger make type descript system max charg pressur wast gate applic intercool intak system maximum allow intak depress rate engin speed load kpa exhaust system maximum allow exhaust backpressur rate engin speed load kpa addit anti pollut devic cover head descript diagram fuel feed feed pump pressur characterist diagram kpa inject system pump make type deliveri mm stroke cycl full inject pump speed rpm rate rpm maximum torqu characterist diagram mention method engin pump bench inject advanc inject advanc curv time inject pipe length mm intern diamet mm injector make type open pressur characterist diagram kpa governor make type speed cut start full load rpm maximum load speed rpm idl speed rpm cold start system make type descript strike appli toler valv time maximum lift angl open close relat dead centr equival data refer set rang strike appli gt end graphic gt case parent engin submit appendix essenti characterist engin famili gt start graphic gt common paramet combust cycl cool medium method air aspir combust chamber type design valv port configur size number fuel system engin manag system proof ident pursuant draw number charg cool system exhaust ga recircul water inject emuls air inject exhaust treatment system proof ident lowest parent engin ratio system capac fuel deliveri stroke pursuant diagram number engin famili list engin famili specif engin famili parent engin engin type cylind rate speed rpm fuel deliveri stroke mm rate net power kw maximum torqu speed rpm fuel deliveri stroke mm maximum torqu nm low idl speed rpm cylind displac parent engin full detail appendix complet conjunct specif section annex applic mark gt end graphic gt appendix essenti characterist engin type famili gt start graphic gt descript engin manufactur manufactur engin code cycl stroke stroke bore mm stroke mm number layout cylind engin capac cm rate speed maximum torqu speed volumetr compress ratio combust system descript draw combust chamber piston crown minimum cross section area inlet outlet port cool system liquid natur liquid circul pump characterist make type applic drive ratio applic air blower characterist make type applic drive ratio applic temperatur permit manufactur liquid cool maximum temperatur outlet air cool refer point maximum temperatur refer point maximum charg air outlet temperatur inlet intercool applic maximum exhaust temperatur point exhaust pipe adjac outer flang exhaust manifold strike appli toler lubric temperatur minimum maximum pressur charger make type descript system max charg pressur wast gate applic intercool intak system maximum allow intak depress rate engin speed load kpa exhaust system maximum allow exhaust backpressur rate engin speed load kpa addit anti pollut devic cover head descript diagram fuel feed feed pump pressur characterist diagram kpa inject system pump make type deliveri mm stroke cycl full inject pump speed rpm rate rpm maximum torqu characterist diagram mention method engin pump bench inject advanc inject advanc curv time inject pipe length mm intern diamet mm injector make type open pressur characterist diagram kpa governor make type speed cut start full load rpm maximum load speed rpm idl speed rpm strike appli toler cold start system make type descript valv time maximum lift angl open close relat dead centr equival data refer set rang strike appli gt end graphic gt submit engin famili annex iii test procedur introduct annex describ method determin emiss gaseou particul pollut engin test test carri engin mount test bench connect dynamomet test condit gener requir volum volumetr flow rate relat kpa engin test condit absolut temperatur ta engin intak air express kelvin dry atmospher pressur ps express kpa measur paramet fa determin provis natur aspir mechan supercharg engin fa gt num gt gt den gt ps gt num gt gt den gt turbocharg engin cool intak air fa gt num gt gt den gt ps gt num gt gt den gt test valid test recogn valid paramet fa amp le fa amp le 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 clean air cleaner engin oper condit manufactur result maximum air flow test shop system provid duplic actual engin oper condit engin exhaust system test engin equip exhaust system present exhaust back pressur upper limit manufactur engin oper condit result maximum declar power cool system engin cool system suffici capac maintain engin normal oper temperatur prescrib manufactur lubric oil specif lubric oil test record present result test test fuel fuel refer fuel annex iv cetan number sulphur content refer fuel test record section annex vi appendix fuel temperatur inject pump inlet determin dynamomet set set inlet restrict exhaust pipe backpressur 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 pm pae gt num gt gt den gt pae ratio gt num gt pae gt den gt pm amp ge pae verifi technic author grant type approv test run prepar sampl filter hour test filter pair close unseal petri dish weigh chamber stabil end stabil period filter pair weigh tare weight record filter pair store close petri dish filter holder need test filter pair hour remov weigh chamber reweigh 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 stabil full load rate speed section adjust dilut ratio particul sampl system start run bypass singl filter method option multipl filter method particul background level dilut air determin pass dilut air particul filter filter dilut air measur time prior test dilut air filter measur minimum point start stop point middl cycl requir valu averag dilut air set obtain maximum filter face temperatur mode total dilut ratio singl filter method sampl mass flow rate filter maintain constant proport dilut exhaust mass flow rate full flow system mode mass ratio second mode system bypass capabl partial flow dilut system singl filter method mass flow rate filter constant mode second mode system bypass capabl 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 annex mode cycl dynamomet oper test engin gt tabl gt condit engin warm engin system maximum speed torqu order stabil engin paramet recommend manufactur note condit period prevent influenc deposit test exhaust system requir period stabil test point includ minimis point point influenc test sequenc test sequenc start test perform order mode number set test cycl 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 measur point minimum time minut test engin longer sampl time requir reason obtain suffici particul mass measur filter test mode period extend mode length record report gaseou exhaust emiss concentr valu measur record minut mode particul sampl gaseou emiss measur commenc engin stabil defin manufactur achiev complet coincid fuel temperatur measur inlet fuel inject pump manufactur locat measur record analys respons output analys record strip chart record measur equival data acquisit system exhaust ga flow analys minut mode bag sampl appli dilut measur appendix section sampl bag minut mode bag sampl analys record particul sampl particul sampl singl filter method multipl filter method appendix section result method differ slightli method declar result singl filter method modal weight factor test cycl procedur account sampl adjust sampl flow rate sampl time sampl conduct late mode sampl time mode second singl filter method second multi filter method system bypass capabl sampl time mode second singl multipl filter method engin condit engin speed load intak air temperatur fuel flow air exhaust ga flow measur mode engin stabil measur exhaust ga flow measur combust air fuel consumpt calcul carbon oxygen balanc method appendix section addit data requir calcul record appendix section check analys emiss test ga span ga check test consid accept differ measur result ident cycl draft iso standard appendix measur sampl procedur gaseou particul compon emit engin submit test measur method annex method annex describ recommend analyt system gaseou emiss section recommend particul dilut sampl system section dynamomet specif engin dynamomet adequ characterist perform test cycl annex iii section instrument torqu speed measur measur shaft power limit addit calcul accuraci measur equip maximum toler figur point exceed exhaust ga flow exhaust ga flow determin method mention section direct measur method direct measur exhaust flow flow nozzl equival meter system detail iso note direct gaseou flow measur difficult task precaut avoid measur error impact emiss error air fuel measur method measur air flow fuel flow air flow meter fuel flow meter accuraci defin section calcul exhaust ga flow gexhw gairw gfuel wet exhaust mass vexhd vaird gfuel dry exhaust volum vexhw vairw gfuel wet exhaust volum carbon balanc method exhaust mass calcul fuel consumpt exhaust ga concentr carbon balanc method annex iii appendix total dilut exhaust ga flow full flow dilut system total flow dilut exhaust gtotw vtotw measur pdp cfv annex section accuraci conform provis annex iii appendix section accuraci calibr measur instrument traceabl nation intern standard compli requir 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 annex iii appendix section electromagnet compat emc equip level minim addit error measur error total measur error includ cross sensit gase annex iii appendix point exce read full scale whichev smaller concentr ppm measur error exce ppm repeat repeat defin time standard deviat repetit respons calibr span ga greater full scale concentr rang ppm ppm rang ppm ppm nois analys peak peak respons calibr span gase period exce full scale rang drift drift hour period full scale lowest rang respons defin respons includ nois ga second time interv span drift span drift hour period full scale lowest rang span defin differ span respons respons span respons defin respons includ nois span ga second time interv ga dry option ga dry devic minim effect concentr measur gase chemic dryer accept method remov water sampl analys section appendix describ measur principl detail descript measur system annex gase measur analys instrument linear analys linear circuit permit carbon monoxid analysi carbon monoxid analys dispers infra red ndir absorpt type carbon dioxid analysi carbon dioxid analys dispers infra red ndir absorpt type hydrocarbon hc analysi hydrocarbon analys heat flame ioniz detector hfid type detector valv pipework heat maintain ga temperatur 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 sampl gaseou emiss gaseou emiss sampl probe fit time diamet exhaust pipe whichev larger upstream exit exhaust ga system applic suffici close engin ensur exhaust ga temperatur probe case multicylind engin branch exhaust manifold inlet probe locat suffici downstream ensur sampl repres averag exhaust emiss cylind multicylind engin distinct group manifold engin configur permiss acquir sampl group individu calcul averag exhaust emiss method shown correl method exhaust emiss calcul total exhaust mass flow engin composit exhaust ga influenc exhaust treatment system exhaust sampl upstream devic test stage downstream devic test stage ii full flow dilut system determin particul gaseou emiss determin dilut exhaust ga sampl probe close particul sampl probe dilut tunnel annex section dt section psp option determin sampl bag subsequ measur concentr sampl bag determin particul determin particul requir dilut system dilut accomplish partial flow dilut system full flow dilut system flow capac dilut system larg complet elimin water condens dilut sampl system maintain temperatur dilut exhaust ga immedi upstream filter holder de humidifi dilut air enter dilut system permit air humid high dilut air pre heat temperatur limit recommend ambient temperatur dilut air temperatur exce prior introduct exhaust dilut tunnel partial flow dilut system particul sampl probe fit close upstream gaseou probe defin section accord annex section figur ep sp partial flow dilut system design split exhaust stream fraction smaller dilut air subsequ particul measur essenti dilut ratio determin accur split method appli type split dictat signific degre sampl hardwar procedur annex section determin mass particul particul sampl system particul sampl filter microgram balanc temperatur humid control weigh chamber requir particul sampl method appli singl filter method pair filter section appendix mode test cycl consider attent paid sampl time flow sampl phase test pair filter requir test cycl multipl filter method dictat pair filter section appendix individu mode test cycl method lenient sampl procedur filter particul sampl filter filter specif fluorocarbon coat glass fibr filter fluorocarbon base membran filter requir certif test special applic filter materi filter type µm dop di octylphthal collect effici ga face veloc cm perform correl test laboratori manufactur approv author filter ident qualiti filter size particul filter minimum diamet mm mm stain diamet larger diamet filter accept section primari back filter dilut exhaust sampl pair filter seri primari back filter test sequenc back filter locat mm downstream contact primari filter filter weigh separ pair filter stain side stain side filter face veloc ga face veloc filter cm achiev pressur drop increas begin end test kpa filter load recommend minimum filter load mg mm stain area singl filter method common filter size valu gt tabl gt multipl filter method recommend minimum filter load sum filter product squar root total number mode weigh chamber analyt balanc specif weigh chamber condit temperatur chamber room particul filter condit weigh maintain filter condit weigh humid maintain dewpoint rel humid refer filter weigh chamber room environ free ambient contamin dust settl particul filter stabilis disturb weigh room specif outlin section allow durat disturb exce minut weigh room meet requir specif prior personnel entranc weigh room unus refer filter refer filter pair weigh hour prefer time sampl filter pair weigh size materi sampl filter averag weight refer filter refer filter pair sampl filter weigh filter pair recommend minimum filter load section sampl filter discard emiss test repeat weigh room stabil criteria outlin section met refer filter pair weigh meet criteria engin manufactur option accept sampl filter weight void test fix weigh room control system run test analyt balanc analyt balanc determin weight filter precis standard deviat µg resolut µg digit µg filter mm diamet precis resolut µg µg elimin static electr effect elimin effect static electr filter neutral prior weigh polonium neutral devic similar effect addit specif particul measur part dilut system sampl system exhaust pipe filter holder contact raw dilut exhaust ga design minim deposit alter particul part made electr conduct materi react exhaust ga compon electr ground prevent electrostat effect appendix calibr analyt instrument introduct analyz 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 le ppm amp le ppm amp le ppm amp le ppm purifi oxygen puriti gt vol hydrogen helium mixtur hydrogen balanc helium contamin amp le ppm amp le ppm purifi synthet air contamin amp le ppm amp le ppm amp le ppm amp le 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 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 ga divid dilut purifi purifi synthet air accuraci mix devic concentr dilut calibr gase determin oper procedur analys sampl system oper procedur analys follow start oper instruct instrument manufactur minimum requir section includ leakag test system leakag test perform probe disconnect exhaust system end plug analys pump switch initi stabil 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 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 warm time warm time recommend manufactur minimum hour recommend warm analys ndir hfid analys ndir analys tune combust flame hfid analys optim section calibr oper rang calibr purifi synthet air nitrogen nox hc analys set calibr gase introduc analys valu record calibr curv establish section set check calibr procedur repeat establish calibr curv gener guidelin analys calibr curv establish calibr point exclud space uniformli highest nomin concentr equal higher full scale calibr curv calcul method squar result polynomi degre greater number calibr point includ equal polynomi degre calibr curv differ nomin calibr point full scale calibr curv calibr point verifi calibr carri correctli characterist paramet analys measur rang sensit date carri calibr calibr full scale analys calibr curv establish ten calibr point exclud space calibr point full scale calibr curv calcul method squar calibr curv differ nomin calibr point full scale 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 calibr curv establish accord section effici test nox convert effici convert convers test section figur test set test set shown figur appendix section procedur effici convert test mean ozon figur schemat convert effici devic gt refer graphic gt 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 effici gt num gt gt den 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 de activ 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 de activ ozon ozon de activ mixtur gase section pass convert detector concentr record analys nox mode mode switch mode ozon de activ flow oxygen synthet air shut nox read analys deviat measur section analys mode test interv effici convert test prior calibr nox analys effici requir effici convert higher effici strongli recommend note analys common rang ozon give reduct section highest rang give reduct adjust fid optim detector respons hfid adjust instrument manufactur propan air span ga optim respons common oper rang fuel air flow 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 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 pre condit hour temperatur test gase recommend rel respons factor rang gt tabl gt valu rel respons factor rf propan purifi synthet air oxygen interfer check oxygen interfer check determin introduc analys servic major servic interv respons factor defin determin section test ga recommend rel respons factor rang propan nitrogen amp le rf amp le rel respons factor rf propan purifi synthet air fid burner air oxygen concentr mole oxygen concentr burner air latest oxygen interfer check differ greater oxygen interfer check analys adjust interfer effect ndir cld analys gase present exhaust analys interfer read wai posit interfer occur ndir 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 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 calcul quench gt num gt gt den gt greater full scale undilut concentr measur ndir dilut concentr measur ndir dilut concentr measur cld ppm undilut concentr measur cld ppm 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 ga bubbl water room temperatur pass cld record analys absolut oper pressur water temperatur determin record mixtur satur vapour pressur correspond bubbler water temperatur determin record water vapour concentr mixtur calcul gt num gt gt den gt record expect dilut span ga water vapour concentr calcul de gt num gt gt den gt record de diesel exhaust maximum exhaust water vapour concentr expect test estim assumpt fuel atom ratio undilut span ga concentr measur section hm record hm water quench calcul quench gt num gt de gt den gt de gt num gt hm gt den gt greater full scale 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 calibr interv analys calibr section month system repair chang made influenc calibr calibr particul measur system introduct compon calibr fulfil accuraci requir standard calibr method section compon annex iii appendix section annex flow measur calibr ga flow meter flow measur instrument traceabl nation intern standard maximum error measur read ga flow determin differenti measur maximum error differ accuraci gedf annex section ega calcul take root squar error instrument check dilut ratio particul sampl system ega annex section dilut ratio check engin instal engin run nox concentr measur raw dilut exhaust measur dilut ratio calcul dilut ratio nox concentr measur check partial flow condit rang exhaust ga veloc pressur oscil check adjust requir annex section ep applic calibr interv flow measur instrument calibr month system chang made influenc calibr appendix data evalu calcul gaseou emiss data evalu evalu gaseou emiss chart read second mode averag averag concentr conc hc nox carbon balanc method 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 particul emiss evalu particul total sampl mass msam volum vsam filter record mode filter return weigh chamber condit hour hour weigh gross weight filter record tare weight section annex iii subtract particul mass mf singl filter method mf multipl filter method sum particul mass collect primari back filter background correct appli dilut air mass mdil volum vdil filter particul mass md record measur made quotient md mdil md vdil calcul singl measur valu averag calcul gaseou emiss final report test result deriv step determin exhaust ga flow exhaust ga flow rate gexhw vexhw vexhd determin mode annex iii appendix section full flow dilut system total dilut exhaust ga flow rate gtotw vtotw determin mode annex iii appendix section dry wet correct appli gexhw vexhw gtotw vtotw measur concentr convert wet basi formula measur wet basi conc wet kw conc dry raw exhaust ga kw ffh gt num gt gfuel gt den gt gaird kw kw gt num gt gt den gt dry dry kw dilut exhaust ga kw gt num gt wet gt den gt kw kw gt num gt kw gt den gt gt num gt dry gt den gt ffh calcul ffh gt num gt gt den gt gt num gt gfuel gt den gt gairw dilut air kw kwl kw gt num gt hd gt num gt gt den gt df ha gt num gt gt den gt df gt den gt hd gt num gt gt den gt df ha gt num gt gt den gt df hd gt num gt pd gt den gt pb pd intak air dilut air kw kw kw gt num gt ha gt den gt ha ha gt num gt ra pa gt den gt pb pa ra ha absolut humid intak air water kg dry air hd absolut humid dilut air water kg dry air rel humid dilut air ra rel humid intak air pd satur vapour pressur dilut air kpa pa satur vapour pressur intak air kpa pb total barometr pressur kpa humid correct nox nox emiss depend ambient air condit nox concentr correct ambient air temperatur humid factor kh formula kh gt num gt gt den gt ha ta gfuel gaird gfuel gaird temperatur air gt num gt gfuel gt den gt gaird fuel air ratio dry air basi ha humid intak air water kg dry air ha gt num gt ra pa gt den gt pb pa ra ra rel humid intak air pa satur vapour pressur intak air kpa pb total barometr pressur kpa calcul emiss mass flow rate emiss mass flow rate mode calcul raw exhaust ga gasmass conc gexhw gasmass conc vexhd gasmass conc vexhw dilut exhaust ga gasmass concc gtotw gasmass concc vtotw concc background correct concentr concc conc concd gt num gt gt den gt df df gt num gt gt den gt concco concco conchc df gt num gt gt den gt concco coeffici wet dry wet tabl gt tabl gt densiti hc base averag carbon hydrogen ratio calcul specif emiss specif emiss kwh calcul individu compon individu ga gt num gt ói ngasmass wfi gt den gt ói npi wfi pi pm pae weight factor number mode calcul annex iii section calcul particul emiss particul emiss calcul humid correct factor particul particul emiss diesel engin depend ambient air condit particul mass flow rate correct ambient air humid factor kp formula kp gt num gt gt den gt ha ha humid intak air gramm water kg dry air ha gt num gt ra pa gt den gt pb pa ra ra rel humid intak air pa satur vapour pressur intak air kpa pb total barometr pressur kpa partial flow dilut system final report test result particul emiss deriv step type dilut rate control calcul method equival dilut exhaust ga mass flow rate gedf equival dilut exhaust ga volum flow rate vedf appli calcul base averag valu individu mode sampl period isokinet system gedfw gexhw qi vedfw vexhw qi qi gt num gt gdilw gexhw gt den gt gexhw qi gt num gt vdilw vexhw gt den gt vexhw correspond ratio cross section area isokinet probe ap exhaust pipe gt num gt ap gt den gt system measur nox concentr gedfw gexhw qi vedfw vexhw qi qi gt num gt conc conca gt den gt concd conca conc wet concentr tracer ga raw exhaust concd wet concentr tracer ga dilut exhaust conca wet concentr tracer ga dilut air concentr measur dry basi convert wet basi section appendix system measur carbon balanc method gedfw gt num gt gfuel gt den gt concentr dilut exhaust concentr dilut air concentr volum wet basi equat base carbon balanc assumpt carbon atom suppli engin emit deriv step gedfw gexhw qi qi gt num gt gfuel gt den gt gexhw system flow measur gedfw gexhw qi qi gt num gt gtotw gt den gt gtotw gdilw full flow dilut system final report test result particul emiss deriv step calcul base averag valu individu mode sampl period gedfw gtotw vedfw vtotw calcul particul mass flow rate particul mass flow rate calcul singl filter method ptmass gt num gt mf gt den gt msam gt num gt gedfw aver gt den gt ptmass gt num gt mf gt den gt vsam gt num gt vedfw aver gt den gt gedfw aver vedfw aver msam aver vsam aver test cycl determin summat averag valu individu mode sampl period gedfw aver ói gedfw wfi vedfw aver ói vedfw wfi msam ói msam vsam ói vsam multipl filter method ptmass gt num gt mf gt den gt msam gt num gt gedfw gt den gt ptmass gt num gt mf gt den gt vsam gt num gt vedfw gt den gt particul mass flow rate background correct singl filter method ptmass gt num gt mf gt den gt msam gt num gt md gt den gt mdil gt num gt gt den gt df gt num gt gedfw aver gt den gt ptmass gt num gt mf gt den gt vsam gt num gt md gt den gt vdil gt num gt gt den gt df gt num gt vedfw aver gt den gt measur made md mdil md vdil replac md mdil aver md vdil aver df gt num gt gt den gt concco concco conchc df gt num gt gt den gt concco multipl filter method ptmass gt num gt mf gt den gt msam gt num gt md gt den gt mdil gt num gt gt den gt df gt num gt gedfw gt den gt ptmass gt num gt mf gt den gt vsam gt num gt md gt den gt vdil gt num gt gt den gt df gt num gt vedfw gt den gt measur made md mdil md vdil replac md mdil aver md vdil aver df gt num gt gt den gt concco concco conchc df gt num gt gt den gt concco calcul specif emiss specif emiss particul pt kwh calcul singl filter method pt gt num gt ptmass gt den gt ói npi wfi multipl filter method pt gt num gt ói nptmass wfi gt den gt pi wfi pi pm pae effect weight factor singl filter method effect weight factor wfe mode calcul wfe gt num gt msam gedfw aver gt den gt msam gedfw wfe gt num gt vsam vedfw aver gt den gt vsam vedfw effect weight factor absolut weight factor list annex iii section case nox nox concentr noxconc noxconcc multipli khnox humid correct factor nox quot previou section khnox conc khnox concc particul mass flow rate ptmass multipli kp humid correct factor particul quot section annex iv technic characterist refer fuel prescrib approv test verifi conform product gt tabl gt annex analyt sampl system gaseou particul sampl system gt tabl gt determin gaseou emiss section figur detail descript recommend sampl analys system configur produc equival result exact conform figur requir addit compon instrument valv solenoid pump switch provid addit inform coordin function compon system compon need maintain accuraci system exclud exclus base good engin judgement gaseou exhaust compon hc nox analyt system determin gaseou emiss raw dilut exhaust ga base hfid analys measur hydrocarbon ndir analys measur carbon monoxid carbon dioxid hcld equival analys measur nitrogen oxid raw exhaust ga figur sampl compon sampl probe sampl probe locat close proxim intern split analys care condens exhaust compon includ water sulphur acid occur point analyt system dilut exhaust ga figur sampl hydrocarbon sampl probe sampl compon care condens exhaust compon includ water sulphur acid occur point analyt system figur flow diagram exhaust ga analysi system nox hc gt refer graphic gt figur flow diagram dilut exhaust ga analysi system nox hc gt refer graphic gt descript figur gener statement compon sampl ga path maintain temperatur respect system sp raw exhaust ga sampl probe figur stainless steel straight close multihol probe recommend insid diamet greater insid diamet sampl line wall thick probe greater mm minimum hole radial plane size sampl approxim flow probe extend diamet exhaust pipe sp dilut exhaust ga hc sampl probe figur probe defin mm mm hydrocarbon sampl line hsl mm minimum insid diamet instal dilut tunnel dt section point dilut air exhaust ga mix approxim tunnel diamet downstream point exhaust enter dilut tunnel suffici distant radial probe tunnel wall free influenc wake eddi heat increas ga stream temperatur exit probe sp dilut exhaust ga nox sampl probe figur probe plane sp suffici distant radial probe tunnel wall free influenc wake eddi heat insul entir length minimum temperatur prevent water condens hsl heat sampl line sampl line ga sampl singl probe split point hc analys sampl line mm minimum mm maximum insid diamet made stainless steel ptfe maintain wall temperatur measur separ control heat section temperatur exhaust ga sampl probe equal maintain wall temperatur greater temperatur exhaust ga sampl probe maintain ga temperatur immedi heat filter hfid hsl heat nox sampl line sampl line maintain wall temperatur convert cool bath analys cool bath made stainless steel ptfe sampl line heat prevent condens water sulphur acid sampl line temperatur depend sulphur content fuel sl sampl line line made ptfe stainless steel heat unheat bk background bag option figur measur background concentr bg sampl bag option figur measur sampl concentr heat pre filter option temperatur hsl heat filter filter extract solid particl ga sampl prior analys temperatur hsl filter chang need heat sampl pump pump heat temperatur hsl hc heat flame ioniz detector hfid determin hydrocarbon temperatur ndir analys determin carbon monoxid carbon dioxid cld analys determin oxid nitrogen hcld temperatur convert convert catalyt reduct prior analysi cld hcld cool bath cool condens water exhaust sampl bath maintain temperatur ic refriger option analys free water vapour interfer determin annex iii appendix section chemic dryer allow remov water sampl temperatur sensor monitor temperatur ga stream temperatur sensor temperatur convert temperatur sensor monitor temperatur cool bath pressur gaug measur pressur sampl line pressur regul control pressur air fuel hfid pressur regul control pressur sampl line flow analys fl fl fl flow meter monitor sampl bypass flow fl fl flowmet option monitor flow rate analys selector valv suitabl valv select sampl span ga ga flow analys solenoid valv bypass convert needl valv balanc flow convert bypass needl valv regul flow analys toggl valv drain condens bath selector valv select sampl background bag determin particul section figur detail descript recommend dilut sampl system configur produc equival result exact conform figur requir addit compon instrument valv solenoid pump switch provid addit inform coordin function compon system compon need maintain accuraci system exclud exclus base good engin judgement dilut system partial flow dilut system figur dilut system base dilut part exhaust stream split exhaust stream dilut process dilut system type subsequ collect particul entir dilut exhaust ga portion dilut exhaust ga pass particul sampl system section figur method refer total sampl type method fraction sampl type calcul dilut ratio depend type system type recommend isokinet system figur system flow transfer tube match bulk exhaust flow term ga veloc pressur requir undisturb uniform exhaust flow sampl probe achiev reson straight approach tube upstream sampl point split ratio calcul easili measur valu tube diamet note isokinesi match flow condit match size distribut typic particl suffici small follow fluid streamlin flow control system concentr measur figur system sampl bulk exhaust stream adjust dilut air flow total dilut exhaust flow dilut ratio determin concentr tracer gase nox natur occur engin exhaust concentr dilut exhaust ga dilut air measur concentr raw exhaust ga measur directli determin fuel flow carbon balanc equat fuel composit system control calcul dilut ratio figur flow transfer tube figur flow control system flow measur figur system sampl bulk exhaust stream set dilut air flow total dilut exhaust flow dilut ratio determin differ flow rate accur calibr flow meter rel requir rel magnitud flow rate lead signific error higher dilut ratio figur flow control straightforward keep dilut exhaust flow rate constant vari dilut air flow rate need order realiz advantag partial flow dilut system attent paid avoid potenti problem loss particul transfer tube ensur repres sampl engin exhaust determin split ratio system pai attent critic area figur partial flow dilut system isokinet probe fraction sampl sb control gt refer graphic gt raw exhaust ga transfer exhaust pipe ep dilut tunnel dt transfer tube tt isokinet sampl probe isp differenti pressur exhaust ga exhaust pipe inlet probe measur pressur transduc dpt signal transmit flow control fc control suction blower sb maintain differenti pressur tip probe condit exhaust ga veloc ep isp ident flow isp tt constant fraction split exhaust ga flow split ratio determin cross section area ep isp dilut air flow rate measur flow measur devic fm dilut ratio calcul dilut air flow rate split ratio figur partial flow dilut system isokinet probe fraction sampl pb control gt refer graphic gt raw exhaust ga transfer exhaust pipe ep dilut tunnel dt transfer tube tt isokinet sampl probe isp differenti pressur exhaust ga exhaust pipe inlet probe measur pressur transduc dpt signal transmit flow control fc control pressur blower pb maintain differenti pressur tip probe take small fraction dilut air flow rate measur flow measur devic fm feed tt mean pneumat orific condit exhaust ga veloc ep isp ident flow isp tt constant fraction split exhaust ga flow split ratio determin cross section area ep isp dilut air suck dt suction blower sb flow rate measur fm inlet dt dilut ratio calcul dilut air flow rate split ratio figur partial flow dilut system nox concentr measur fraction sampl gt refer graphic gt raw exhaust ga transfer exhaust pipe ep dilut tunnel dt sampl probe sp transfer tube tt concentr tracer ga nox measur raw dilut exhaust ga dilut air exhaust ga analys ega signal transmit flow control fc control pressur blower pb suction blower sb maintain desir exhaust split dilut ratio dt dilut ratio calcul tracer ga concentr raw exhaust ga dilut exhaust ga dilut air figur partial flow dilut system concentr measur carbon balanc total sampl gt refer graphic gt raw exhaust ga transfer exhaust pipe ep dilut tunnel dt sampl probe sp transfer tube tt concentr measur dilut exhaust ga dilut air exhaust ga analys ega fuel flow gfuel signal transmit flow control fc flow control fc particul sampl system figur fc control pressur blower pb fc control particul sampl system figur adjust flow system maintain desir exhaust split dilut ratio dt dilut ratio calcul concentr gfuel carbon balanc assumpt figur partial flow dilut system singl venturi concentr measur fraction sampl gt refer graphic gt raw exhaust ga transfer exhaust pipe ep dilut tunnel dt sampl probe sp transfer tube tt due neg pressur creat venturi vn dt ga flow rate tt depend momentum exchang venturi zone affect absolut temperatur ga exit tt exhaust split tunnel flow rate constant dilut ratio low load slightli lower high load tracer ga concentr nox measur raw exhaust ga dilut exhaust ga dilut air exhaust ga analys ega dilut ratio calcul valu measur figur partial flow dilut system twin venturi twin orific concentr measur fraction sampl gt refer graphic gt raw exhaust ga transfer exhaust pipe ep dilut tunnel dt sampl probe sp transfer tube tt flow divid set orific venturi fd locat ep fd tt addition pressur control valv pcv pcv maintain constant exhaust split control backpressur ep pressur dt pcv locat downstream sp ep pcv pressur blower pb dt tracer ga concentr nox measur raw exhaust ga dilut exhaust ga dilut air exhaust ga analys ega check exhaust split adjust pcv pcv precis split control dilut ratio calcul tracer ga concentr figur partial flow dilut system multipl tube split concentr measur fraction sampl gt refer graphic gt raw exhaust ga transfer exhaust pipe ep dilut tunnel dt transfer tube tt flow divid fd consist number tube dimens diamet length bed radiu instal ep exhaust ga tube lead dt exhaust ga rest tube pass damp chamber dc exhaust split determin total number tube constant split control requir differenti pressur dc outlet tt measur differenti pressur transduc dpt differenti pressur achiev inject fresh air dt outlet tt tracer ga concentr nox measur raw exhaust ga dilut exhaust ga dilut air exhaust ga analys ega check exhaust split control inject air flow rate precis split control dilut ratio calcul tracer ga concentr figur partial flow dilut system flow control total sampl gt refer graphic gt raw exhaust ga transfer exhaust pipe ep dilut tunnel dt sampl probe sp transfer tube tt total flow tunnel adjust flow control fc sampl pump particul sampl system figur dilut air flow control flow control fc gexh gair gfuel command signal desir exhaust split sampl flow dt differ total flow dilut air flow dilut air flow rate measur flow measur devic fm total flow rate flow measur devic fm particul sampl system figur dilut ratio calcul flow rate figur partial flow dilut system flow control fraction sampl gt refer graphic gt raw exhaust ga transfer exhaust pipe ep dilut tunnel dt sampl probe sp transfer tube tt exhaust split flow dt control flow control fc adjust flow speed pressur blower pb suction blower sb sampl particul sampl system return dt gexh gair gfuel command signal fc dilut air flow rate measur flow measur devic fm total flow flow measur devic fm dilut ratio calcul flow rate descript figur ep exhaust pipe exhaust pipe insul reduc thermal inertia exhaust pipe thick diamet ratio recommend flexibl section limit length diamet ratio bend minim reduc inerti deposit system includ test bed silenc silenc insul isokinet system exhaust pipe free elbow bend sudden diamet pipe diamet upstream pipe diamet downstream tip probe ga veloc sampl zone higher idl mode pressur oscil exhaust ga exce pa averag step reduc pressur oscil chassi type exhaust system includ silenc treatment devic alter engin perform deposit particul system isokinet probe recommend straight pipe pipe diamet upstream pipe diamet downstream tip probe sp sampl probe figur minimum insid diamet mm minimum diamet ratio exhaust pipe probe probe open tube face upstream exhaust pipe centr line multipl hole probe sp section isp isokinet sampl probe figur isokinet sampl probe instal face upstream exhaust pipe centr line flow condit section ep met design provid proport sampl raw exhaust ga minimum insid diamet mm control system isokinet exhaust split maintain differenti pressur ep isp condit exhaust ga veloc ep isp ident mass flow isp constant fraction exhaust ga flow isp connect differenti pressur transduc control provid differenti pressur ep isp blower speed flow control fd fd flow divid figur set venturi orific instal exhaust pipe ep transfer tube tt provid proport sampl raw exhaust ga control system consist pressur control valv pcv pcv proport split control pressur ep dt fd flow divid figur set tube multipl tube unit instal exhaust pipe ep provid proport sampl raw exhaust ga tube feed exhaust ga dilut tunnel dt tube exit exhaust ga damp chamber dc tube dimens diamet length bend radiu exhaust split depend total number tube control system proport split maintain differenti pressur exit multipl tube unit dc exit tt condit exhaust ga veloc ep fd proport flow tt constant fraction exhaust ga flow point connect differenti pressur transduc dpt control provid differenti pressur flow control fc ega exhaust ga analys figur nox analys carbon balanc method analys calibr analys measur gaseou emiss analys determin concentr differ accuraci measur system accuraci gedfw vedfw tt transfer tube figur particul sampl transfer tube short length equal greater probe diamet mm diamet exit centr line dilut tunnel point stream tube metr length insul materi maximum thermal conduct radial insul thick diamet probe tube longer metr insul heat minimum wall temperatur altern transfer tube wall temperatur requir determin standard heat transfer calcul dpt differenti pressur transduc figur differenti pressur transduc rang pa fc flow control figur isokinet system figur flow control maintain differenti pressur ep isp adjust control speed flow suction blower sb keep speed pressur blower pb constant mode figur adjust suction blower sb constant mass flow dilut exhaust control flow pressur blower pb exhaust sampl flow region end transfer tube tt figur case pressur control system remain error control loop exce pa pressur oscil dilut tunnel exce pa averag multi tube system figur flow control proport exhaust split maintain differenti pressur outlet multi tube unit exit tt adjust control inject air flow rate dt exit tt pcv pcv pressur control valv figur pressur control valv twin venturi twin orific system proport flow split control backpressur ep pressur dt valv locat downstream sp ep pb dt dc damp chamber figur damp chamber instal exit multipl tube unit minim pressur oscil exhaust pipe ep vn venturi figur venturi instal dilut tunnel dt creat neg pressur region exit transfer tube tt ga flow rate tt determin momentum exchang venturi zone basic proport flow rate pressur blower pb lead constant dilut ratio momentum exchang affect temperatur exit tt pressur differ ep dt actual dilut ratio slightli lower low load high load fc flow control figur option flow control control flow pressur blower pb suction blower sb connect exhaust flow fuel flow signal nox differenti signal pressur air suppli figur fc directli control air flow fm flow measur devic figur ga meter flow instrument measur dilut air flow fm option pb calibr measur flow fm flow measur devic figur ga meter flow instrument measur dilut exhaust ga flow fm option suction blower sb calibr measur flow pb pressur blower figur control dilut air flow rate pb connect flow control fc fc pb requir butterfli valv pb measur dilut air flow calibr sb suction blower figur fraction sampl system sb measur dilut exhaust ga flow calibr daf dilut air filter figur recommend dilut air filter charcoal scrub elimin background hydrocarbon dilut air temperatur manufactur request dilut air sampl good engin practic determin background particul level subtract valu measur dilut exhaust psp particul sampl probe figur probe lead section ptt instal face upstream point dilut air exhaust ga mix dilut tunnel dt centr line dilut system approxim tunnel diamet downstream point exhaust enter dilut tunnel mm minimum insid diamet heat greater wall temperatur direct heat dilut air pre heat provid air temperatur exce prior introduct exhaust dilut tunnel insul dt dilut tunnel figur dilut tunnel suffici length complet mix exhaust dilut air turbul flow condit construct stainless steel thick diamet ratio dilut tunnel greater mm insid diamet nomin wall thick mm dilut tunnel equal mm insid diamet mm diamet fraction sampl type recommend mm diamet total sampl type heat greater wall temperatur direct heat dilut air pre heat provid air temperatur exce prior introduct exhaust dilut tunnel insul engin exhaust mix dilut air fraction sampl system mix qualiti check introduct servic mean profil tunnel engin run equal space measur point mix orific note ambient temperatur vicin dilut tunnel dt precaut avoid particl loss cool wall dilut tunnel heat insul tunnel limit recommend high engin load tunnel cool aggress mean circul fan long temperatur cool medium heat exchang figur heat exchang suffici capac maintain temperatur inlet suction blower sb averag oper temperatur observ test full flow dilut system figur dilut system base dilut total exhaust constant volum sampl cv concept total volum mixtur exhaust dilut air measur pdp cfv system subsequ collect particul sampl dilut exhaust ga pass particul sampl system section figur directli refer singl dilut sampl dilut secondari dilut tunnel refer doubl dilut filter face temperatur requir met singl dilut partli dilut system doubl dilut system modif particul sampl system section figur share part typic particul sampl system gaseou emiss determin dilut tunnel full flow dilut system sampl probe gaseou compon shown figur descript list respect requir section descript figur ep exhaust pipe exhaust pipe length exit engin exhaust manifold turbocharg outlet treatment devic dilut tunnel requir system exce length tube excess insul line smoke meter radial thick insul mm thermal conduct insul materi greater measur reduc thermal inertia exhaust pipe thick diamet ratio recommend flexibl section limit length diamet ratio figur full flow dilut system gt refer graphic gt total amount raw exhaust ga mix dilut tunnel dt dilut air dilut exhaust ga flow rate measur posit displac pump pdp critic flow venturi cfv heat exchang electron flow compens efc proport particul sampl flow determin particul mass determin base total dilut exhaust ga flow dilut ratio requir calcul pdp posit displac pump pdp meter total dilut exhaust flow number pump revolut pump displac exhaust system back pressur artifici lower pdp dilut air inlet system static exhaust back pressur measur cv system oper remain kpa static pressur measur connect cv ident engin speed load ga mixtur temperatur immedi ahead pdp averag oper temperatur observ test flow compens flow compens temperatur inlet pdp exce cfv critic flow venturi cfv measur total dilut exhaust flow maintain flow choke condit critic flow static exhaust backpressur measur cfv system oper remain kpa static pressur measur connect cfv ident engin speed load ga mixtur temperatur immedi ahead cfv averag oper temperatur observ test flow compens heat exchang option efc heat exchang suffici capac maintain temperatur limit requir efc electron flow compens option temperatur inlet pdp cfv limit state flow compens system requir continu measur flow rate control proport sampl particul system purpos continu measur flow rate signal correct sampl flow rate particul filter particul sampl system figur dt dilut tunnel dilut tunnel small diamet turbul flow reynold number greater suffici length complet mix exhaust dilut air mix orific mm diamet insul engin exhaust direct downstream point introduc dilut tunnel mix singl dilut sampl dilut tunnel transfer particul sampl system section figur flow capac pdp cfv suffici maintain dilut exhaust temperatur equal immedi primari particul filter doubl dilut sampl dilut tunnel transfer secondari dilut tunnel dilut pass sampl filter section figur flow capac pdp cfv suffici maintain dilut exhaust stream dt temperatur equal sampl zone secondari dilut system provid suffici secondari dilut air maintain doubli dilut exhaust stream temperatur equal immedi primari particul filter daf dilut air filter recommend dilut air filter charcoal scrub elimin background hydrocarbon dilut air temperatur manufactur request dilut air sampl good engin practic determin background particul level subtract valu measur dilut exhaust psp particul sampl probe probe lead section ptt instal face upstream point dilut air exhaust ga mix dilut tunnel dt centr line dilut system approxim tunnel diamet downstream point exhaust enter dilut tunnel mm minimum insid diamet heat greater wall temperatur direct heat dilut air pre heat provid air temperatur exce prior introduct exhaust dilut tunnel insul particul sampl system figur particul sampl system requir collect particul particul filter case total sampl partial flow dilut consist pass entir dilut exhaust sampl filter dilut section figur sampl system form integr unit case fraction sampl partial flow dilut full flow dilut consist pass filter portion dilut exhaust dilut section figur section figur sampl system form unit direct doubl dilut system dd figur full flow dilut system consid specif modif typic particul sampl system shown figur doubl dilut system includ import part particul sampl system filter holder sampl pump addition dilut featur dilut air suppli secondari dilut tunnel order avoid impact control loop recommend sampl pump run complet test procedur singl filter method bypass system pass sampl sampl filter desir time interfer switch procedur control loop minim descript figur psp particul sampl probe figur particul sampl probe shown figur lead section particul transfer tube ptt probe instal face upstream point dilut air exhaust ga mix dilut tunnel dt centr line dilut system section approxim tunnel diamet downstream point exhaust enter dilut tunnel mm minimum insid diamet heat greater wall temperatur direct heat dilut air pre heat provid air temperatur exce prior introduct exhaust dilut tunnel insul figur particul sampl system gt refer graphic gt sampl dilut exhaust ga dilut tunnel dt partial flow full flow dilut system particul sampl probe psp particul transfer tube ptt mean sampl pump sampl pass filter holder fh particul sampl filter sampl flow rate control flow control fc electron flow compens efc figur dilut exhaust ga flow command signal fc figur dilut system full flow system gt refer graphic gt sampl dilut exhaust ga transfer dilut tunnel dt full flow dilut system particul sampl probe psp particul transfer tube ptt secondari dilut tunnel sdt dilut sampl pass filter holder fh particul sampl filter dilut air flow rate constant sampl flow rate control flow control fc electron flow compens efc figur total dilut exhaust ga flow command signal fc ptt particul transfer tube figur particul transfer tube exce mm length minim length dimens valid partial flow dilut fraction sampl type full flow singl dilut system probe tip filter holder partial flow dilut total sampl type end dilut tunnel filter holder full flow doubl dilut system probe tip secondari dilut tunnel transfer tube heat greater wall temperatur direct heat dilut air pre heat provid air temperatur exce prior introduct exhaust dilut tunnel insul sdt secondari dilut tunnel figur secondari dilut tunnel minimum diamet mm suffici length provid resid time second doubli dilut sampl primari filter holder fh locat mm exit sdt secondari dilut tunnel heat greater wall temperatur direct heat dilut air pre heat provid air temperatur exce prior introduct exhaust dilut tunnel insul fh filter holder figur primari back filter filter hous separ filter hous requir annex iii appendix section met filter holder heat greater wall temperatur direct heat dilut air pre heat provid air temperatur exce insul sampl pump figur und particul sampl pump locat suffici distant tunnel inlet ga temperatur maintain constant flow correct fc dp dilut air pump figur full flow doubl dilut dilut air pump locat secondari dilut air suppli temperatur fc flow control figur und flow control compens particul sampl flow rate temperatur backpressur variat sampl path mean flow control requir electron flow compens efc figur fm flow measur devic figur und particul sampl flow ga meter flow instrument locat suffici distant sampl pump inlet ga temperatur remain constant flow correct fc fm flow measur devic figur dilut air full flow doubl dilut ga meter flow instrument locat inlet ga temperatur remain bv ball valv option ball valv diamet insid diamet sampl tube switch time second note ambient temperatur vicin psp ptt sdt fh precaut avoid particl loss cool wall part heat insul part limit respect descript recommend recommend filter face temperatur sampl high engin load part cool aggress mean circul fan long temperatur cool medium annex vi model type approv certif gt start graphic gt stamp administr commun type approv extens refus withdraw type approv engin type famili engin type regard emiss pollut pursuant direct ec amend direct ec type approv extens reason extens section gener make undertak manufactur design parent applic famili engin type manufactur type code mark engin locat method affix specif machineri propel engin address manufactur address manufactur author repres locat code method affix engin identif number locat method affix ec approv mark address es assembl plant section ii restrict condit respect instal engin machineri maximum allow intak depress kpa maximum allow back pressur kpa technic servic respons carri test date test report delet defin annex section direct fill test carri approv author number test report undersign certifi accuraci manufactur descript attach inform document engin attach test result applic type sampl select approv author submit manufactur parent engin type type approv grant refus withdrawn place date signatur attach inform packag test result appendix correl studi relev sampl system refer system applic delet annex section gt end graphic gt appendix test result gt start graphic gt inform conduct test refer fuel test cetan number sulphur content densiti lubric make type state percentag oil mixtur lubric fuel mix engin driven equip applic enumer identifi detail power absorb engin speed manufactur power pae kw absorb engin speed equip intermedi rate total greater power measur test engin perform engin speed idl rpm intermedi rpm rate rpm engin power power set kw engin speed condit intermedi rate maximum power measur test pm kw total power absorb engin driven equip section appendix section annex iii pae kw net engin power section annex kw case parent engin uncorrect power measur accord provis section annex emiss level dynamomet set kw dynamomet set kw engin speed percent load intermedi rate mode emiss test result kwh hc kwh nox kwh particul kwh sampl system test gaseou emiss particul method singl multipl filter figur number defin annex section delet gt end graphic gt annex vii approv certif number system articl number consist section separ charact gt tabl gt section number direct implement date technic standard alphabet charact ad charact refer applic date stage sever applic engin specif mobil machineri basi type approv grant charact defin articl charact defin annex section regard test mode defin annex iii section section number latest amend direct applic approv applic alphabet charact ad depend condit section result paramet charact chang chang charact appli omit section digit sequenti number lead zero applic denot base approv number sequenc start section digit sequenti number lead applic denot extens sequenc start base approv number approv extens applic date stage upper powerband applic engin specif mobil machineri issu unit kingdom aa xx extens fourth approv applic date stage ii medium powerband specif machineri issu germani ea xx annex viii list engin engin famili type approv issu gt start graphic gt stamp administr list number cover period inform respect approv grant refus withdrawn abovement period manufactur approv number reason extens applic make type engin engin famili date issu issu date case extens delet gt end graphic gt annex ix list engin produc gt start graphic gt stamp administr list number cover period inform respect identif number type famili type approv number engin produc abovement period accord requir direct manufactur make approv number engin famili type engin engin identif number date issu issu date case addenda omit show engin famili engin type produc unit bear identif number type type type gt end graphic gt annex data sheet type approv engin gt start graphic gt stamp administr engin descript emiss kwh date certif manufactur type famili cool medium cylind swept volum cm power kw rate speed min combust aftertreat pt nox hc liquid air abbrevi di direct inject pc pre swirl chamber na natur aspir tc turbocharg tca turbocharg includ aftercool exampl di na di tc di tca pc na pc tc pc tca abbrevi cat catalyst pt particul trap egr exaust ga recircul gt end graphic gt statement commiss articl commiss confirm accord letter spirit modu vivendi committe procedur european parliament fulli inform implement measur aris direct propos adopt