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Differences between the four international standards (as in Nov 2009)
ISO14040 PAS 2050(UK)
TS-Q-0010(JAPAN)
WBCSD (as far as known)
ISO14047 (as far as known)
Functional unit
Consistent with G&S
Preference for PCR
Preference for PCR
Preference for PCR
Preference for PCR
Cut off rules
Consistent with G&S
1% of GHG emissions; 95% complete
5% of GHG emissions(To be discussed more)
Significance as principle; 80% complete
Significance as principle
Use phase
Optional, Must be described
Obligatory; disclose use profile;
Included Cradle to Gate or Cradle to Grave if product is supplied to the consumer
Unclear
Data quality
Must be described
Specific rules
Specific rules Pedigree matrix
Probably Pedigree matrix
Continued
ISO14040 PAS 2050(UK)
TS-Q-0010 (JAPAN)
WBCSD (as far as known)
ISO14047 (as far as known)
Alloca-tion
1 System boundary expansion, 2 Physical causality, 3 Socio economic
1 System boundary expansion,2 EconomicSpec. rules for EoL
Preference for PCR
ISO 14040/44Perhaps differentiation between attributional and consequential
ISO 14040/44
Capital goods
Optional Excluded Excluded, but should be included if it is significant
Relevance criterion
Relevance criterion
Variabi-lity
Few guidelines
Specific sampling and averaging rules
Unclear Unclear Unclear
Commu-nication
Important rules
Not included in PAS, but in Code of practice
ISO-14025 Not for comparison
Part 2 of the standard
Continued
ISO14040
PAS 2050(UK)
TS-Q-0010 (JAPAN)
WBCSD (as far as known)
ISO14047 (as far as known)
GHG Offset
Not specified
May not be included
not be included
May not be included,
May not be included,
Reduction
Not specified
Code of practise require reporting
Could be included, if both CFP are certified.
Important aim, not many rules
Important aim
Partial GHG reporting
Not specified
Describes procedure to pass on information through the chain
Be shown as adding information
Describes procedure
Not very clear yet
Data accepted
Not specified
No IO data, transparent process data
transparent process data, but IO data are acceptable if there is no process data.
Preference for transparent process data, limited role for IO
Not too clear
Special rules
ISO14040
PAS 2050(UK)
TS-Q-0010 (JAPAN)
WBCSD (as far as known)
ISO14047 (as far as known)
Land use change
Not specified
Describes proce-dure and provides default soil emissions per country
Not specified
unclear Proposal to use PAS2050
Carbon storage
Not specified
Provides calcu-lation method
Not specified
Probably included
Major discussion point
Delayed emissions
Not specified
Describes calcu-lation method
Not specified
Probably included
Major discussion point
Renewable elec-tricity generation
Not specified
Describes additionality and double counting in renewable electricity generation
Can be included if it is paid as actual cost.
Not very clear yet
Rules to avoid double counting
