Utah Administrative Code
Topic - Environmental Quality
Title R307 - Air Quality
Rule R307-335 - Degreasing
Section R307-335-5 - Open Top Vapor Degreasers
Current through Bulletin 2024-06, March 15, 2024
Owners or operators of open top vapor degreasers shall, in addition to meeting the requirements of R307-335-4(3), (4) and (5),
(1) Equip the vapor degreaser with a cover that can be opened and closed without disturbing the vapor zone. The cover shall be closed except when processing work loads through the degreaser;
(2) Install one of the following control devices:
(3) Minimize solvent carryout by:
(4) Spray parts only in or below the vapor level;
(5) Not use ventilation fans near the degreaser opening, nor provide exhaust ventilation exceeding 20 cubic meters per minute per square meter (65 cubic feet per minute per square foot) in degreaser open area, unless necessary to meet state and federal occupational, health, and safety requirements.
(6) Not degrease porous or absorbent materials, such as cloth, leather, wood or rope;
(7) Not allow work loads to occupy more than half of the degreaser's open top area;
(8) Ensure that solvent is not visually detectable in water exiting the water separator;
(9) Install safety switches on the following:
(10) Open top vapor degreasers with an open area smaller than one square meter (10.8 square feet) are exempt from R307-335-5(2)(b) and (d).