Section R307-346-6 - Work Practices(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 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:
(a) Electrostatic application;(h) High-volume, low-pressure (HVLP) spray; or(i) Other application method capable of achieving 65% or greater transfer efficiency, as certified by the manufacturer.(3) Solvent cleaning operations shall be performed using cleaning materials having a VOC composite vapor pressure no greater than 1 mm Hg at 20 degrees Celsius, unless an add-on control device is used as specified in R307-346-7.Utah Admin. Code R307-346-6
Amended by Utah State Bulletin Number 2014-24, effective 12/1/2014Amended by Utah State Bulletin Number 2018-1, effective 12/6/2017