1.1 This guide covers procedures for well defined record keeping for electrodialysis (ED) and electrodialysis reversal (EDR) systems. 1.2 This guide includes a start up report and record keeping for ED/EDR and pretreatment operating and maintenance data. 1.3 This guide is applicable to all waters but is not necessarily complete for waste waters. 1.4 This is a guide only and should not be construed as a complete delineation of all record keeping required for a specific ap