How and When is the drug Benzedrine/Speed tested for Athletes?

Question

For HPE Assignment.

Would like to know how and when Benzedrine (speed) is tested (ie, urine, blood tests) in athletes.. or in the Olympics.

Best answer goes to someone who offers a link so i know its true & have a link for my bibliography.

Answer 1

when you get a physical.

which you have to get in order to participate or tryout.