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: (a) Paint brush; (b) Flow coat; (c) Roll coat; (d) Dip coat; (e) Detailing or touch-up guns; (e) High-volume, low-pressure (HVLP) spray; (f) Hand application methods; or (g) 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.