How do you enforce the no smoking law in this place?

My guys were told they couldn't smoke and to put it out. There are signs advising you of no smoking

Toss em

I never saw anyone smoking on the facility.

People I saw left the field area to smoke. No issues the week I was there.

I've not ever seen anyone smoking there.

I know if they see you they will throw you out. The week that I was there there was never a problem with that.