Absolute alcohol Vs 100% alcohol - are they same? (Dec/05/2008 )

Hello, In my department, there is a central store that sells ethanol. They have 95% etoh, 100% etoh and absolute etoh. What is the difference between 100% etoh and the absolute one? I always thought they are the same..

Absolute ethanol is the waterfree version but it still contains contaminants from the destillation, 100% ethanol is pro analysis