My building is on a campus with a no-smoking policy, but employees can smoke in personal vehicles. Our policy wasn't enough for the LEED Review Team; they still require us to put up signage, and said that smoking in cars had to be forbidden as well. That would require school administration to change HR policy, which they are very reluctant to do. We measured the distance between the parking lot and nearest door and it's 31 feet. Assuming we put up signage about the 25 foot requirement, are we in the clear?