Measurement Differences


	Urals (Baltic)


	2006


	API

	Total Barrels

	Barrels Loss

	Barrels Loss

	Mean NSV Loss

	Standard Deviation

	Number of Records


	31.70


	223,893,174


	-284,326


	-0.13

%


	-0.12

%


	0.15

	316

%


	2005


	Mean NSV Loss

	Standard Deviation

	Number of Records


	-0.15

	0.15

	494

%

%