United States v. Vertac Chemical Corp. , 489 F. Supp. 870 ( 1980 )
United States of America, and Cross v. Earth Sciences, Inc., and Cross , 599 F.2d 368 ( 1979 )
Thompson v. Thomas , 680 F. Supp. 1 ( 1987 )
O'LEARY v. Moyer's Landfill, Inc. , 523 F. Supp. 642 ( 1981 )
United States v. Velsicol Chemical Corp. , 438 F. Supp. 945 ( 1976 )