PUBLICLY AVAILABLE SPECIFICATION PAS 2050:2008Specification for the assessment of thelife cycle greenhouse gas emissions ofgoods and servicesICS code: 13.020.40NO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAWPAS 2050:2008© BSI October 2008Publishing and copyright informationThe BSI copyright notice displayed in this document indicates when the documentwas last issued.This Publicly Available Specification comes into effect on 29 October 2008.© BSI October 2008ISBN 978 0 580 50978 0Amd. No.DateCommentsPAS 2050:2008© BSI October 2008iContentsPageForeword ................................................................................................................................ii0 Introduction ......................................................................................................................iv1 Scope....................................................................................................................................12 Normative references .................................................................................................13 Terms and definitions .................................................................................................24 Principles and implementation.............................................................................65 Emission sources, offsetting and unit of analysis ...................................76 System boundary.......................................................................................................... 127 Data ....................................................................................................................................... 178 Allocation of emissions............................................................................................. 229 Calculation of the GHG emissions of products........................
