1981 Cases with Industry Code "ST" SEWAGE TREATMENT (8 cases) Case NumberCase TitleOpen DateClosed Date 81-0287-ST-ABNWINELCO UTILITIES INCORPORATED03/05/198110/28/1981 81-0428-ST-ARJTRNSPTN RESEARCH WARD OF OHIO04/01/198104/14/1981 81-0602-ST-ATAROYAL ENVIRONMENT SERVICE COMPANY05/18/198108/12/1981 81-0645-ST-AAC PUBLIC SERVICE CORPORATION05/29/198112/02/1981 81-0903-ST-ACECOPLEY SQUARE WATER COMPANY07/31/198105/19/1982 81-1061-ST-AECROYAL ENVIRONMENT SERVICE COMPANY09/08/198111/04/1981 81-1539-ST-ABNP D SALES AND SERVORP12/14/198104/21/1982 81-1690-ST-AIRWSTRN OHIO UTILITY CO INCORPORATED12/29/198112/08/1982