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| CERCLIS | |
|---|---|
| Name | Comprehensive Environmental Response, Compensation, and Liability Information System |
| Abbreviation | CERCLIS |
| Formed | 1980s |
| Predecessor | Hazardous Site Data |
| Superseded by | Superfund Enterprise Management System |
| Jurisdiction | United States Environmental Protection Agency |
| Parent agency | United States Environmental Protection Agency |
| Website | (defunct) |
CERCLIS
CERCLIS was the Environmental Protection Agency's centralized inventory and case-management database for sites potentially subject to the Comprehensive Environmental Response, Compensation, and Liability Act program. It functioned as a national repository linking site identifiers, investigation status, enforcement actions, and remediation records across federal and state interactions. CERCLIS supported coordination among stakeholders including the United States Environmental Protection Agency, state environmental agencies such as the California Environmental Protection Agency, and federal partners like the United States Department of Justice and the Department of Defense.
CERCLIS operated as an operational information system tracking inactive hazardous-waste sites identified under Comprehensive Environmental Response, Compensation, and Liability Act processes and related administrative authorities. The system aggregated data used by offices within the United States Environmental Protection Agency including the Office of Solid Waste and Emergency Response, regional offices such as the EPA Region 1 (Boston), and enforcement groups collaborating with entities like the Environmental Defense Fund and state counterparts including the New York State Department of Environmental Conservation.
Development began in the 1980s after passage of Comprehensive Environmental Response, Compensation, and Liability Act amendments and as agencies sought standardized tracking tools similar to corporate information systems used by entities such as IBM and Hewlett-Packard. Early implementations were influenced by database practices from institutions like National Institutes of Health and interoperability needs with the United States Geological Survey. Over time CERCLIS evolved through software revisions, integrating guidance from legal decisions involving the United States Court of Appeals for the District of Columbia Circuit and enforcement patterns exemplified by cases prosecuted by the United States Department of Justice. In the 2000s modernization efforts shifted focus toward enterprise solutions, leading to migration planning alongside systems such as the Superfund Site Information Management System and culminating in replacement by the Superfund Enterprise Management System.
CERCLIS's primary purpose was to provide a single source of record for sites assessed for inclusion on the National Priorities List under Comprehensive Environmental Response, Compensation, and Liability Act. The database captured site discovery information arising from investigations by organizations like the Agency for Toxic Substances and Disease Registry and site assessments coordinated with the Occupational Safety and Health Administration when worker exposures were involved. CERCLIS supported statutory timeframes and reporting obligations tied to legislation including the Superfund Amendments and Reauthorization Act of 1986 and informed policy deliberations with stakeholders such as the Natural Resources Defense Council and industry groups like the American Petroleum Institute.
The CERCLIS schema included records for site identifiers, location coordinates, contaminant lists, remedial investigation reports, removal action summaries, enforcement referrals, and community involvement logs. Typical data elements referenced hazardous constituents listed by Agency for Toxic Substances and Disease Registry toxicological profiles and sampling results consistent with methodologies from the United States Environmental Protection Agency Office of Research and Development. Records often included links to administrative actions filed in courts such as the United States District Court for the Eastern District of Pennsylvania and consent decrees negotiated with companies like Dow Chemical Company or ExxonMobil. CERCLIS stored metadata on data provenance, chain-of-custody, and document scans, enabling cross-reference with state Brownfield programs like New Jersey Department of Environmental Protection initiatives.
Public-facing outputs derived from CERCLIS data were presented through EPA fact sheets, regional web pages, and printed documents used by community groups such as Greenpeace and Sierra Club. Users included municipal planners from cities like Chicago and Philadelphia, researchers at universities such as Harvard University, and consultants from firms like ERIS and AECOM. Access protocols ranged from Freedom of Information Act requests handled in coordination with the United States Department of Justice to routinely published inventories that informed journalists at outlets such as The New York Times and The Washington Post. As web technologies advanced, CERCLIS-derived datasets were integrated into mapping tools using services similar to those offered by Google Maps and enterprise GIS platforms like Esri.
Operational responsibility rested with EPA regional offices supported by national program offices within the United States Environmental Protection Agency. Data stewardship involved coordination with state agencies including the Massachusetts Department of Environmental Protection and contractors providing IT services, drawing on practices from federal information management standards like those published by the National Institute of Standards and Technology. Maintenance activities incorporated quality assurance reviews, legal hold procedures influenced by precedents from the United States Supreme Court, and audit processes coordinated with the Government Accountability Office.
CERCLIS's legacy persists in successor systems and contemporary data standards. The transition to the Superfund Enterprise Management System and interoperability work with platforms such as the EPA's Geospatial Platform reflect CERCLIS's role in shaping national hazardous-site information management. Legacy records continue to inform remediation projects involving stakeholders like the Army Corps of Engineers and guide community advocacy by organizations such as Earthjustice. The CERCLIS dataset also influenced environmental data practices in international frameworks exemplified by agencies like the United Kingdom Environment Agency and Canada's Environment and Climate Change Canada.