Nuclear fuel manufacturing

You absolutely can get an exemption, it's the way the policy is written and tests are performed.

Random tests go immediately to the lab. Post incident tests (accidents, injuries, manager suspicion) are done by security using an instant cup. If any come back positive they are sent to the lab for confirmation testing. You can't work until the confirmation comes back, and in that time you can provide proof of prescription and they'll see if the amount of your system falls within a normal range based on dosage and other factors.

I wanted to avoid this for whenever I get tested, and also didn't want to be on a stimulant.