Cases with Industry Code "WS" WATER & SEWER, Purpose Code "AAM" Application to change accounting methods, and Status "AR" Archived (2%20cases) Case NumberCase TitleOpen DateClosed Date 93-0539-WS-AAMOHIO SUBURBAN WATER COMPANY03/31/199308/19/1993 98-1701-WS-AAMCITIZENS UTILITIES COMPANY OF OHIO12/29/199804/29/1999