B.4.3.2  International Standards

■  U. S. Environmental Protection Agency (EPA)

■  American Water Works Association (AWWA)

■  American Society for Testing and Materials (ASTM)

■  American Concrete Institute (ACI)

■  American Society of Sanitary Engineering (ASSE)

■  Uni-Bell PVC Pipe Association (UBPPA)

■  Underwriters Laboratories (UL)

■  American National Standards Institute (ANSI)

■  American Institute of Steel Construction (AISC)

■  National Electrical Manufacturers Association (NEMA)

■  Uniform Plumbing Code (UPC)

■  American Welding Society (AWS)

■  International Standard Organization (ISO)

■  International Electromechanical Commission (IEC)

■  US Bureau of Reclamation (USBR)

■  American Association of the State Highway and Transportation Officials (ASSHTO)

■  Other equivalent international standards