Utah Administrative Code (Current through November 1, 2019) |
R307. Environmental Quality, Air Quality |
R307-347. Large Appliance Surface Coatings |
R307-347-6. Work Practices
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(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 65% or greater 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;
(b) Electrodeposition;
(c) Brush coat;
(d) Flow coat;
(e) Roll coat;
(f) Dip coat;
(g) High-volume, low-pressure (HVLP) spray; or
(h) 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 R307-347-7.