R307-347-6. Work Practices  


Latest version.
  •   (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.