SATOC for the 18 Mile Creek Superfund Site, Operable Unit 1 (OU1), OU2, and OU4, located in Niagara County, New York. The required effort will be performing remedial action activities across each of t... SATOC for the 18 Mile Creek Superfund Site, Operable Unit 1 (OU1), OU2, and OU4, located in Niagara County, New York. The required effort will be performing remedial action activities across each of the OUs.