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1、InternationalStandardISO20423Firstedition2025-06Carbonfootprintforseafood一Productcategoryrules(CFP-PCR)formacroalgaeEmpreintecarbonedesfruitsdemerRegiesdedefinitiondescategoriesdeproduit(CFP-PCR)pourlesmacroalguesReferencenumberISO20423:2025(en)COPYRIGHTPROTECTEDDOCUMENTISO2025Allrightsreserved.Unle
2、ssotherwisespecified,orrequiredinthecontextofitsimplementation,nopartofthispublicationmaybereproducedorutilizedotherwiseinanyformorbyanymeans,electronicormechanical,includingphotocopying,orpostingontheinternetoranintranet,withoutpriorwrittenpermission.PermissioncanberequestedfromeitherISOattheaddres
3、sbeloworISO,smemberbodyinthecountryoftherequester.ISOcopyrightofficeCP401Ch.deBlandonnet8CH-1214Vernier,GenevaPhone:+41227490111Email:copyrightiso.orgWebsite:www.iso.orgPublishedinSwitzerlandPageContentsForewordvIntroduction.vi1 Scope12 Normativereferences13 Termsanddefinitions13.1 Quantificationoft
4、hecarbonfootprintofaproduct13.2 Products,productsystemsandprocesses23.3 Dataanddataquality53.4 Greenhousegases53.5 Waste,storageandtransport.54 Calculationandcommunicationrequirements.65 Methodologicalrequirements6.234O.5,6,7,89,1Functionalunitordeclaredunit6Principlesofdataandmethodologicalreportin
5、g7Systemboundaries75.4.1 General.75.4.2 Thecut-offcriterion:Generalruleforwhatcanbeexcludedfromthecarbonfootprint85.4.3 Generalprocessesthatcanbeexcluded95.4.4 Systemboundariesforwaste95.4.5 Useofrecycledmaterials95.4.6 Capitalinvestments95.4.7 Systemboundariesforfarming95.4.8 Systemboundariesforhar
6、vesting105.4.9 Systemboundariesforprocessing115.4.10 Systemboundariesfordistributiontodealers125.4.11 Systemboundariesforfinalconsumption13Datarequirements135.5.1 General135.5.2 Rulesfordatasampling145.5.3 Dataonelectricity145.5.4 Dataonfuel145.5.5 Geographicaldelimitation145.5.6 Timedelimitation145
7、.5.7 Validationofdata145.5.8 Transportcalculationrules14Allocation15Impactassessment15Interpretation15Fossilandbiogeniccarbon16Communicationofcarbonfootprintsformacroalgae165.10.1 General165.10.2 Detailsabouttheproducer16AnnexA(informative)Exampleofdatacollectioninthecalculationofthecarbonfootprinto
8、fmacroalgaeproducts.17AnnexB(informative)Additionalinformationforfarmingnutrientsaccountingthroughelementalmassbalancesofmacroalgae18Annex C (informative)Exampleofmassallocationforkelpco-productprocessing21Annex D (informative)ExampleofLCAdriedPorphyrayezoensisvalue-chainmodelling22Annex E (informat
9、ive)ExampleofLCAgroundseaweedvalue-chainmodelling2425Bibliography.ForewordISO(theInternationalOrganizationforStandardization)isaworldwidefederationofnationalstandardsbodies(ISOmemberbodies).TheworkofpreparingInternationalStandardsisnormallycarriedoutthroughISOtechnicalcommittees.Eachmemberbodyintere
10、stedinasubjectforwhichatechnicalcommitteehasbeenestablishedhastherighttoberepresentedonthatcommittee.Internationalorganizations,governmentalandnon-governmental,inliaisonwithISO,alsotakepartinthework.ISOcollaboratescloselywiththeInternationalElectrotechnicalCommission(IEC)onallmattersofelectrotechnic
11、alstandardization.TheproceduresusedtodevelopthisdocumentandthoseintendedforitsfurthermaintenancearedescribedintheISO/IECDirectives,Part1.Inparticular,thedifferentapprovalcriterianeededforthedifferenttypesofISOdocumentshouldbenoted.ThisdocumentwasdraftedinaccordancewiththeeditorialrulesoftheISO/IECDi
12、rectives,Part2(seeWWW.iso.org/directives).ISOdrawsattentiontothepossibilitythattheimplementationofthisdocumentmayinvolvetheuseof（八）patent(三).ISOtakesnopositionconcerningtheevidence,validityorapplicabilityofanyclaimedpatentrightsinrespectthereof.Asofthedateofpublicationofthisdocument,ISOhadnotreceive
13、dnoticeof（八）patent(三)whichmayberequiredtoimplementthisdocument.However,implementersarecautionedthatthismaynotrepresentthelatestinformation,whichmaybeobtainedfromthepatentdatabaseavailableatWWW.iso.org/patents.ISOshallnotbeheldresponsibleforidentifyinganyorallsuchpatentrights.Anytradenameusedinthisdo
14、cumentisinformationgivenfortheconvenienceofusersanddoesnotconstituteanendorsement.Foranexplanationofthevoluntarynatureofstandards,themeaningofISOspecifictermsandexpressionsrelatedtoconformityassessment,aswellasinformationaboutISOsadherencetotheWorldTradeOrganization(WTo)principlesintheTechnicalBarri
15、erstoTrade(TBT),seewww.iso.org/iso/foreword.htmLThisdocumentwaspreparedbyTechnicalCommitteeISO/TC234,Fisheriesandaquaculture.Anyfeedbackorquestionsonthisdocumentshouldbedirectedtotheusersnationalstandardsbody.Acompletelistingofthesebodiescanbefoundatwww.iso.org/members.html.IntroductionWiththeincreasinglyseriousglobalclimateproblem,thelow-carbonrevolutionofglobalizationisrising,andcarbonpeakingandcarbonneutralityhavebecomeimportantgoalsofgloballow-carbondevelopment.Countriesallovertheworldareactivelycarryingoutdoublecarbonresearc
