§211.1150. Closed Vent System

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"Closed vent system" means a system that is not open to the atmosphere and is composed of piping, connections, and, if necessary, flow inducing devices that transport gas or vapor from a piece or pieces of equipment to a control device.

(Source: Added at 17 Ill. Reg. 16504, effective September 27, 1993)

                    
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