Annex X Reporting on uncertainty and completeness pursuant to Article 12

United Kingdom

A	B	C	D	E	F	G	H	I	J	K	L	M
Source: 2006 IPPC guidelines, Volume 1, Table 3.2 Approach 1 uncertainty calculation
IPCC category	Gas	Base year emissions or removals	Year x emissions or removals	Activity data uncertainty	Emission factor / estimation parameter uncertainty	Combined uncertainty	Contribution to Variance by Category in Year x	Type A sensitivity	Type B sensitivity	Uncertainty in trend in national emissions introduced by emission factor / estimation parameter uncertainty	Uncertainty in trend in national emissions introduced by activity data uncertainty	Uncertainty introduced into the trend in total national emissions
		Input data	Input data	Input data Note A	Input data Note A	$\sqrt{E^{2} + F^{2}}$	$\frac{{(G * D)}^{2}}{{(\sum D)}^{2}}$	Note B	$\|\frac{D}{\sum C}\|$	I F* Note C	Note D	K² + L²
		Gg CO₂ equivalent	Gg CO₂ equivalent	%	%	%		%	%	%	%	%
E.g., 1.A.1. Energy industries fuel 1	CO₂
E.g., 1.A.1. Energy industries fuel 2	CO₂
Etc.	…
Total		Σ C	Σ D				Σ H					Σ M
					Percentage uncertainty in total inventory:		$\sqrt{\sum H}$				Trend uncertainty:	$\sqrt{\sum M}$