THE BALLY GROUNDWATER SUPERFUND SITE IS LOCATED IN THE BOROUGH OF BALLY, PA AND CONSISTS OF AN AREA OF GROUNDWATER THAT HAS BEEN CONTAMINATED WITH CHLORINATED VOLATILE ORGANIC COMPOUNDS. A SURVEY CONDUCTED BY THE PA DER INDICATED THAT THE BALLY ENGINEERED STRUCTURES, WAS PLACED ON THE NPL IN 1987. ALSO IN 1987 BES SIGNED A CONSENT ORDE WITH EPA TO CONDUCT THE RI/FS AT THE SITE. AFTER COMPLETION OF THE RI/FS THE EPA ISSUED A ROD ON JUNE 30, 1989, WHICH SELECTED THE REMEDIAL ACTION FOR THE SITE AND WHICH WAS MODIFIED BY AN ESD, DATED JAN. 18, 1990.