Are you working with classical electrodialysis (ED) and electrodialysis reversal (EDR)? Meet newly published AWWA Manual M38 Electrodialysis and Electrodialysis Reversal, 2nd Edition. Print and PDF options available. Written for engineers and operators of electrodialysis and electrodialysis reversal systems, this manual provides detailed information on these processes as they relate to water treatment. Its clearly written text explains process principles, equipment information, electrodialysis technology, and system design. An excellent resource for those who use this technology, as well as for those who want to know more about it.