Associations, Institutes and Societies American National Standards Institute American Society of Civil Engineers (ASCE) ASTM International American Welding Society (AWS) Illuminating Engineering Society/North America: Institute of Electrical and Electronics Engineers (IEEE) Instrumentation, Systems, and Automation Society: International Electrotechnical Commission (IEC) InterNational Electrical Testing Association (NETA): International Sign Association International Association of Electrical Inspectors (IAEI): National Association of Electrical Distributors (NAED): National Electrical Manufacturers Association (NEMA): National Fire Protection Association (NFPA) United States Sign Council (USSC) US Government Agencies Centers for Disease Control and Prevention: Department of Labor “Find it” site: Department of Labor “Training” site: Environmental Protection Agency: Free On-Site Safety and Health Services: National Safety Council: National Conservation Training Center Conservation Library: National Highway Traffic Safety Administration: National Institute for Occupational Safety and Health: Occupational Safety & Health Administration (OSHA) OSHA Regulations (Standards 29 - CFR) Part 1910: The Library of Congress: The White House: U. S. Department of Labor: Nationally Recognized Testing Laboratories (NRTL) CSA International (CSA) Intertek ETL  Underwriters Laboratories (UL)