Answer:
Option C, It mandates the clean-up of abandoned hazardous waste sites.
Explanation:
A superfund was a programme launched by federal government in America to clean up hazardous and abandoned waste sites. The different sites that are managed under this programme are called as superfund scheme. It is also known as "Comprehensive Environmental Response, Compensation, and Liability Act, 1980"
Based on the hazardous ranking evaluated by the EIA team, CERCLA status of the site is determined . The site with highest score was dealt on priority basis.
Hence, option C is correct.