Under the UAO, Soco, a former facility operator, is required to perform interim response actions at the former solvent recycling facility to stabilize chlorinated solvent contamination at and emanating from the site. This action by
EPA is being taken pursuant to Section 7003 of the Resource Conservation and Recovery Act ( RCRA ) which provides
that the Administrator may take action Âupon receipt of evidence that the past or present handling, storage, treatment, transportation or disposal of any solid waste or hazardous waste may present an imminent and substantial endangerment to health or the environment 42 U.S.C. §6973(a). The specific interim actions to be taken include installation of a slurry wall and cap to contain contamination on site and enhanced in situ bioremediation to treat groundwater immediately downgradient from the site.