McArthur River / Key Lake

• McArthur River is the world's largest, high-grade uranium mine.
• ISO 14001 certification was awarded to McArthur River and Key Lake in 2003.
• The average ore grade is 20.69% U₃O₈
• Ore from McArthur River is milled at the Key Lake mill, of which AREVA owns 16.66%.
• The Key Lake mill has an annual production capacity of 18.7 million pounds of U₃O₈, which is the largest capacity for a uranium mill in the world.