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| Inventario Europeo de Substancias Químicas Comerciais Existentes (''European Inventory of Existing Commercial Chemical Substances'', (EINECS)
|SubstancesSubstancias, excludingexcluíndo polymersos [[polímero]]s, thatque wereestaban recordedrexistradas ascomo beingdispoñibles commerciallycomercialmente availablena inUnión theEuropea EUdesde fromo 1 Januaryde xaneiro de 1971 toao 18 Septemberde setembro de 1981.<ref name= "geiss inventory">{{cite journal |doi=10.1080/02772249209357850 | title=The EINECS inventory of existing chemical substances on the EC market | journal=Toxicological | date=1992 | volume=37 | issue=1–2 | pages=21–33 | first=F. | last=Geiss| last2=Del Bino | first2=G. | last3=Blech | first3=G. | last4=n⊘Rager | first4=O. | last5=Orthmann | first5=E. | last6=Mosselmans | first6=G. | last7=Powell | first7=J. | last8=Roy | first8=R. | last9=Smyrniotis | first9=T. | last10=Town | first10=W. G. }}</ref> TheseEstas weresubstancias consideredforon registeredconsideradas underrexistradas Articlebaixo o artigo 8(1) ofda theDirectiva [[Dangerousde SubstancesSubstancias DirectivePerigosas (67/548/EEC)]]. TheyConsidéranse aresubstancias consideredde introdución gradual (''phase-in'') substancesbaixo under thea [[REACHRegulación RegulationREACH]].
|2xx-xxx-x<br/>3xx-xxx-x
| 100,204<ref name= "geiss inventory" />
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|Lista Europea de Substancias Químicas Notificadas (''European List of Notified Chemical Substances'', (ELINCS)
|SubstancesSubstancias notifiednotificadas underbaixo thea Notificación da Directiva de Substancias Perigosas de Novas Substancias (''Dangerous Substances Directive Notification of New Substances'', (NONS) thatque becameestiveron commerciallydispoñibles availablecomercialmente afterdespois 18de Septembersetembro de 1981.{{Citation needed|date=July 2009}}
|4xx-xxx-x
|4,381
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|Xa non considerados polímeros (NLP, ''no longer polymers'')
|No Longer Polymers (NLP)
|TheA definitiondefinición ofde polymerspolímeros wascambiou changeden inabril April,de 1992<ref>{{cite journal
| publisher= European Commission
| date = 30 April 1992
| format = pdf | accessdate = 2009-01-25
}}
</ref> withco theresultado resultde thatque substancessubstancias previouslyque consideredantes toeran beconsideradas polymerspolímeros werexa nonon longerse regardedconsideran ascomo polymerstales. ConsequentlyEn consecuencia, aelaborouse unha listlista, calledchamada thelista NLP-list (''No Longer Polymer),'' wasde made''xa ofnon suchpolímeros''), substancescon thatesas weresubstancias, notque coveredxa bynon theestaban polymerdentro definitionda butdefinición werede placedpolímeros onpero theque marketforan betweencomercializadas afterentre o 18 Septemberde 1981setembro ande o 31 Octoberde outubro de 1993.<ref>{{cite journal
| publisher= European Commission
| date = December 31, 2008
| 