Section 250-RICR-120-05-23.12 - Stack RequirementsA. Perchloroethylene-containing air exhausted from dry cleaning systems must be vented through a vertical stack which extends at least six (6) feet above the building's roof line.B. The exhaust stack must not be equipped with a cap, elbow or other device that would interfere with the vertical discharge of the exhaust.C. The Director may require that a stack be extended higher than six (6) feet or that the location of a stack on a roof be changed if they determine that the location of the stack discharge may cause excessive perchloroethylene exposure to neighbors, neighboring facilities or to other occupants of the building in which the dry cleaning facility is located.D. Facilities located in buildings that are higher than two (2) stories may apply to the Director for an exemption to § 23.12(A) of this Part.250 R.I. Code R. 250-RICR-120-05-23.12
Amended effective 12/24/2018