Commission Regulation (EU) No 601/2012 of 21 June 2012 on the monitoring and reporting of greenhouse gas emissions pursuant to Directive 2003/87/EC of the European Parliament and of the Council (Text with EEA relevance) (repealed) (c. 601)

ANNEX VIII U.K. Measurement-based methodologies (Article 41)

1. Tier definitions for measurement-based methodologies U.K.

Measurement-based methodologies shall be approved in accordance with tiers with the following maximum permissible uncertainties for the annual average hourly emissions calculated in accordance with Equation 2 set out in section 3 of this Annex.

Table 1

Tiers for CEMS (maximum permissible uncertainty for each tier)

	Tier 1	Tier 2	Tier 3	Tier 4
CO2 emission sources	± 10 %	± 7,5 %	± 5 %	± 2,5 %
N2O emission sources	± 10 %	± 7,5 %	± 5 %	N.A.
CO2 transfer	± 10 %	± 7,5 %	± 5 %	± 2,5 %