You guys all are forgetting the most important thing here. The football field, basketball court, baseball diamond or whatever surface your sport is played on isn't just an extra-curricular site. It is an extension of the classroom and at the high school level we as officials are educators too. It is our responsibility to enforce sportsmanship and other rules. As an educator you would not allow any sort of tobacco in your classroom and that is what the football field is, a classroom.
And for those of you that say this isn't a safety rule, try checking this out.
https://www.google.com/search?q=pict...GoPmqQHljoDICQ