1 The largest school district by enrollment with an election in 2016 is Wake County Public School System with 153,534 K-12 students.  The smallest North Carolina school district among the nation's largest with an election in 2016 is Duplin County Schools with 9,628 K-12 students.
Freon only remains a liquid while under pressure inside your refrigerator's cooling system. The chemical changes to a gas as soon as it contacts the air. This means, when you smell freon in and around your refrigerator, you're also inhaling varying amounts of freon gas. According to the Environmental Protection Agency, freon gas is denser than air and travels very slowly to the upper atmosphere.
in a condo, have an outside ac unit with 'air handler' in my laundry room, with coils I assume freon runs thru from outside (they get cold). Had the fan motor replaced and the tech had to add a pound of freon, commented could be a leak in the inside coils and may need to add more freon in a couple of years.