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Codes & Standards

• American National Standards Institute (ANSI)
• American Society of Mechanical Engineers (ASME)
• American Society of Sanitary Engineers (ASSE)
• American Water Works Association (AWWA)
• ASTM International
• CSA International
• DOE Office of Codes & Standards
• DOE Building Standards & Guidelines
• International Association of Plumbing & Mechanical Officials (IAPMO)
• International Code Council (ICC)
• International Organization for Standardization (ISO)
• National Conference of States on Building Codes & Standards (NCS BCS)
• NSF International
• Underwriters Laboratories (UL)
• Help with Building Codes