The intake to this ventilation. system must be near the floor. (Chlorine as a gas is. 2.5 times heavier than air.) Exhaust Rate The exhaust system must be able to exchange the air. in the room every three to four minutes.
Where is Ohio. Ohio is a state located in the Midwestern United States, bordered by Pennsylvania, Michigan, Indiana, Kentucky, West Virginia, and the Canadian province of Ontario. The capital of Ohio is Columbus.Print.he State of Ohio is located in between 40.5 N, 82.5 W coordinates. It is surrounded by Ontario and Michigan on its northern border, by West Virginia and Pennsylvania on the east, by Kentucky and West Virginia to the south and by Indiana to the west.
The city of Columbus is 15th largest in the country; the metro area is 32nd. The Mid-Ohio Regional Planning Commissions insight2050 report, released last year, predicted that the region  Franklin County plus the six surrounding counties  would add 500,000 people by 2050 as more people migrate to central Ohio.