Select another Impact Assessment Method
Back to EPS default 2000

Characterisation Method Information
Characterisation Method Name:
CFC-11 impact on NEX
Date Completed:
Principal Method Name:
EPS: global warming
Method Description:
NEX is Normalised EXtinction of species.

Model for global warming pathway

The characterisation factor is determined by an equivalency method using CO2 as a

Equivalency factor

The GWP-100 for CFC-11 is 4000 (IPCC, 1994).

Calculation of pathway specific characterisation factor

The characterisation factor of CO2 for normalised extinction of species (NEX) was
determined to 1.26E–14 /kg CO2. Thus the global warming pathway specific
characterisation factor of CFC-11 for NEX is 4000*1.26E–14 = 5.04E–11 /kg CFC-11.

Literature Reference:
IPPC, “The 1994 Report of the Scientific Assessment Working Group of IPCC. Summary for policymakers”, WMO and UNEP, 1994
Methodological Range:
The system borders are the same as for "CFC-11 impact on YOLL", i.e. global and 100 years.

Existing Characterisation Factors of CFC-11 impact on NEX
Characterisation Parameter Category Indicator Impact Indication Principle Aspect Substance Quantity Unit Notes
CFactor NEX EPS/2000
Type = Emission
Direction = Output
Media = Air
Geography = *
CFC-11 5.04E-11 NEX/kg Global warming