ATSDR - Agency for Toxic Substances and Disease Registry

  ANSI - American National Standards Institute

  BLS - Bureau of Labor Statistics

  CDC - Centers for Disease Control and Prevention

  IDPH - Iowa Department of Public Health - Bureau of Radiological Health

  CFR  - Code of Federal Regulations -- U.S. House of Representatives Internet Law Library 

  EPA -  Environmental Protection Agency

  FR - Federal Register

  HPS - Health Physics Society

  IOSHA - Iowa Occupational Safety & Health (Labor Services Division)

  NFPA - National Fire Protection Association

  NIEHS - Laboratory Safety & Chemical Hygiene

  NIOSH - National Institute for Occupational Safety and Health

  NIH - National Institutes of Health

  NRC - Nuclear Regulatory Commission

  OSHA - Occupational Safety and Health Administration -- Washington D.C.