Section R307-349-5 - Work Practice(1) The owner or operator shall: (a) Store all VOC-containing coatings, thinners, and cleaning materials in closed containers;(b) Minimize spills of VOC-containing coatings, thinners, and cleaning materials;(c) Clean up spills immediately;(d) Convey any coatings, thinners, and cleaning materials in closed containers or pipes;(e) Close mixing vessels that contain VOC coatings and other materials except when specifically in use; and(f) Minimize usage of solvents during cleaning of storage, mixing, and conveying of equipment.(2) No person shall apply any coating unless the coating application method achieves a demonstrated 65% transfer efficiency. The following applications achieve a minimum of 65% transfer efficiency and shall be operated in accordance with the manufacturers specifications:
(e) Detailing or touch-up guns;(e) [(f)] High-volume, low-pressure (HVLP) spray;(f) [(g)] Hand application methods; or(g) [(h)] Other application method capable of achieving 65% or greater transfer efficiency, as certified by the manufacturer.(3) No owner or operator shall perform solvent cleaning operations using materials with a VOC composite vapor pressure greater than 1 mm Hg at 20 degrees Celsius, unless an add-on control device is used as specified in R307-349-6.Utah Admin. Code R307-349-5
Amended by Utah State Bulletin Number 2014-24, effective 12/1/2014Amended by Utah State Bulletin Number 2018-1, effective 12/6/2017