Pas 2050
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Publicado: 24 de julio de 2012
PUBLICLY AVAILABLE SPECIFICATION
PAS 2050:2011
Specification for the assessment of the life cycle greenhouse gas emissions of goods and services
ICS code: 13.020.40 NO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAW
PAS 2050:2011
Publishing and copyright information The BSI copyright notice displayed in this document indicates when the document was last issued.© BSI 2011 ISBN 978 0 580 71382 8 ICS 13.310; 91.190 The following BSI references relate to the work on this standard: Committee reference ZZ/1 Publication history Amendments issued since publication
Date
Text affected
PAS 2050:2011
Contents
Page Foreword .................................................................................................... Introduction................................................................................................ 1 Scope ........................................................................................................ 2 Normative references ............................................................................. 3 Terms and definitions .............................................................................. 4Principles and implementation .............................................................. 4.1 General requirements .......................................................................... 4.2 Principles ............................................................................................... 4.3 Supplementary requirements .............................................................. 4.4Record-keeping .................................................................................... 4.5 Implementation .................................................................................... 5 Emissions and removals ......................................................................... 5.1 Scope of GHG emissions and removals ............................................... iii iv 11 2 7 7 7 7 8 8 9 9
5.2 Time period for inclusion of GHG emissions and removals ............... 9 5.3 Global warming potential (GWP) ........................................................ 10 5.4 Aircraft emissions and removals .......................................................... 10 5.5 Carbon storage in products ................................................................. 10 5.6Inclusion and treatment of land use change ...................................... 10 5.7 Treatment of soil carbon change in existing systems ........................ 11 5.8 Offsetting ............................................................................................. 12 5.9 Unit of analysis ..................................................................................... 12 6 Systemboundary .................................................................................... 13 6.1 Establishing the system boundary ....................................................... 13 6.2 Cradle-to-gate GHG emission and removals assessment ................... 13 6.3 Material contribution and threshold .................................................. 13 6.4 Elements of the product system.......................................................... 14 6.5 System boundary exclusions ................................................................ 17
© BSI September 2011
i
PAS 2050:2011
7 Data .......................................................................................................... 18 7.1 General................................................................................................. 18 7.2 Data quality rules ................................................................................. 18 7.3 Primary activity data ............................................................................ 18 7.4 Secondary data ..................................................................................... 19 7.5 Changes in the life cycle of a...
PAS 2050:2011
Specification for the assessment of the life cycle greenhouse gas emissions of goods and services
ICS code: 13.020.40 NO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAW
PAS 2050:2011
Publishing and copyright information The BSI copyright notice displayed in this document indicates when the document was last issued.© BSI 2011 ISBN 978 0 580 71382 8 ICS 13.310; 91.190 The following BSI references relate to the work on this standard: Committee reference ZZ/1 Publication history Amendments issued since publication
Date
Text affected
PAS 2050:2011
Contents
Page Foreword .................................................................................................... Introduction................................................................................................ 1 Scope ........................................................................................................ 2 Normative references ............................................................................. 3 Terms and definitions .............................................................................. 4Principles and implementation .............................................................. 4.1 General requirements .......................................................................... 4.2 Principles ............................................................................................... 4.3 Supplementary requirements .............................................................. 4.4Record-keeping .................................................................................... 4.5 Implementation .................................................................................... 5 Emissions and removals ......................................................................... 5.1 Scope of GHG emissions and removals ............................................... iii iv 11 2 7 7 7 7 8 8 9 9
5.2 Time period for inclusion of GHG emissions and removals ............... 9 5.3 Global warming potential (GWP) ........................................................ 10 5.4 Aircraft emissions and removals .......................................................... 10 5.5 Carbon storage in products ................................................................. 10 5.6Inclusion and treatment of land use change ...................................... 10 5.7 Treatment of soil carbon change in existing systems ........................ 11 5.8 Offsetting ............................................................................................. 12 5.9 Unit of analysis ..................................................................................... 12 6 Systemboundary .................................................................................... 13 6.1 Establishing the system boundary ....................................................... 13 6.2 Cradle-to-gate GHG emission and removals assessment ................... 13 6.3 Material contribution and threshold .................................................. 13 6.4 Elements of the product system.......................................................... 14 6.5 System boundary exclusions ................................................................ 17
© BSI September 2011
i
PAS 2050:2011
7 Data .......................................................................................................... 18 7.1 General................................................................................................. 18 7.2 Data quality rules ................................................................................. 18 7.3 Primary activity data ............................................................................ 18 7.4 Secondary data ..................................................................................... 19 7.5 Changes in the life cycle of a...
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