33 U.S.C. sec. Other Specific Cleanup Authorities. To close a UST permanently, owners and operators must notify the implementing agency, and empty and clean the UST and site. 42 U.S.C. sec. Most states' environmental agencies have the authority to clean up hazardous sites, or to order them cleaned up.
State laws can set their own cleanup criteria and policies.
Only a few states have issued separate hazardous materials remediation standards. Sorry, we're unable to assist non-members.