Superfund: Analysis of Costs at Five Superfund Sites

Pursuant to a congressional request, GAO analyzed the costs of operating five Superfund cleanup sites, focusing on: (1) what portion of the total funds the Environmental Protection Agency (EPA) spent on each site was used to pay contractors for remedial actions as opposed to other activities and how the contractors spent these funds; and (2) whether the actual cost for remedial actions differed from the estimated costs and if so, why.