326 IAC 20-48-3 Work practice standards

Sec. 3. In addition to 40 CFR 63.5731* and 40 CFR 63.5734(b)*, the following work practice standards are required: (1) Nonatomizing spray equipment shall not be operated at pressures that atomize the material during the application process. (2) Solvents sprayed during cleanup and resin changes shall be directed into solvent collection containers. (3) For routine flushing of resin and gel coat application equipment, such as spray guns, flowcoaters, brushes, rollers, and squeegees, owners or operators must use a cleaning solvent that contains no hazardous air pollutants (HAPs). However, recycled cleaning solvents that contain less than or equal to five percent (5%) HAP by weight are considered to contain no HAP for the purposes of this subdivision. For removing cured resin or gel coat from application equipment, no organic HAP limit applies. (4) Clean-up rags with solvent shall be stored in closed containers. (5) Closed containers shall be used for the storage of the following: (A) All production and tooling resins that contain HAPs. (B) All production and tooling gel coats that contain HAPs. (C) Waste resins and gel coats that contain HAPs. (D) Cleaning materials, including waste cleaning materials. (E) Other materials that contain HAPs. The covers of the closed containers must have no visible gaps and must be in place at all times, except when equipment is placed in or removed from the container. *These documents are incorporated by reference. Copies may be obtained from the Government Printing Office, 732 North Capitol Street NW, Washington, D.C. 20401 or are available for review and copying at the Indiana Department of Environmental Management, Indiana Government Center-North, Tenth Floor, 100 North Senate Avenue, Indianapolis, Indiana 46204.