Welcome to the sub club.
Just make up a plan and keep the synthetic with you all the time. If its done on premisses just pickup one of those big coffee cups and put the synthetic in it. That way can just tell them you're drinking some fluids so you can pee. Lots of ways to play the game.
I agree, lots of ways to play the sub game,
1 thing though, you get into a work accident and are rushed to the hospital...
subbin' is a no go(wasn't able to get to my gear)!
actually I found out just the other day that they drive you themselves to the lab so I was told to keep my ID in the car with the sub and grab it real quick...
It's not ideal but I think it might work? y'know?