The taking of the two samples is to make sure both are within .02 of each other, meaning they're consistant. Our machines are inspected every couple months by the state. Also, each machine has a series of internal tests and checks run each time it is being prepared for a sample.
Pittsburgh Pirates- 1st place NL Central 7/15/11
They've got us surrounded? Good. Now we can fire in any direction, those bastards wont get away this time
An amateur will train until they get it right. A professional will train until they can't get it wrong.