Section 250-RICR-120-05-24.4 - DefinitionsA. Unless otherwise expressly defined in this section, the terms used in this regulation shall be defined by reference to Part 0 of this Subchapter (General Definitions). As used in this regulation, the following terms shall, where the context permits, be construed as follows: 1. "Abrasive blasting" means the procedure of removing paint from a surface by forcefully applying an abrasive material to the paint containing surface.2. "HEPA" or "high efficiency particulate air" means a filter capable of filtering out particles of 0.3 microns or greater from a body of air at 99.97 percent efficiency or greater.3. "Hydroblasting" means any abrasive blasting using high pressure liquid as the propelling force.4. "Impenetrable material" means a material that will not allow any spent abrasives, paint, dust and/or other debris, including all residues generated by wet paint removal operations, to penetrate through it.5. "Lead-based substance" means any paint or other surface coating material containing more than 0.05 percent lead by weight calculated as lead metal in the dried solid.6. "Lead based paint" means any surface coating material that contains more than 0.05 percent lead by weight calculated as lead metal in the dried solid.7. "Mechanical paint removal" means the use of any force, including but not limited to manual, mechanical, electrical or other power, applied to a device to remove paint from a surface.8. "Paint" means any surface coating material.9. "Paint stripper" means any chemical and/or caustic substance applied to a surface for the purpose of removing paint.10. "Representative sample" means a sample of any paint, including a sample of each layer of paint which is on a structure, that may and/or will be removed from a structure.11. "Sandblasting" means abrasive blasting.12. "Vacuum blasting" means any abrasive blasting in which the spent abrasive, paint, dust and/or other debris are immediately collected by a vacuum device.13. "Wet abrasive blasting" means any abrasive blasting using compressed air as the propelling force in combination with water to contain the spent abrasive, paint, particulate, dust and/or other debris generated by the operations.250 R.I. Code R. 250-RICR-120-05-24.4