Useful Links

Water

American Water Works Association 

Gesellschaft des Gas- und Wasserfachs, e.V. 

US Environmental Protection Agency 

International Association for the Properties of Water and Steam

Water Environmental Federation (USA) 

Power

VGB PowerTech, e.V. (Germany) 

PPCHEM AG, Switzerland

Electric Power Research Institute (USA)

Standards

American Society for Testing and Materials

International Organization for Standardization

Standard Methods for the Examination of Water and Wastewater (USA)

Fieldbus

International PROFIBUS Organization