Measurement Differences


	Schiehallion


	2006


	API

	Total Barrels

	Barrels Loss

	Barrels Loss

	Mean NSV Loss

	Standard Deviation

	Number of Records


	28.80


	21,930,763


	3,809


	0.02

%


	0.00

%


	0.25

	32

%


	2005


	Mean NSV Loss

	Standard Deviation

	Number of Records


	0.06

	0.16

	23

%

%