Cases with Industry Code "ST" SEWAGE TREATMENT, Purpose Code "AAM" Application to change accounting methods, and Status "AR" Archived (2%20cases) Case NumberCase TitleOpen DateClosed Date 88-1645-ST-AAMTOLCO UTILITIES, INC.11/08/198803/14/1989 89-0450-ST-AAMTOLCO UTILITIES, INC.03/16/198907/06/1989