EPA has identified the chemical substances (i.e., hazardous substances, pollutants or contaminants) listed below as contaminants of concern (COCs) for the site.
COCs are the chemical substances found at the site that EPA has determined pose an unacceptable risk to human health or the environment.
These are the substances evaluated by EPA to be addressed by cleanup actions at the site.
To identify COCs, EPA:
- Identifies people and ecological resources that could be exposed to contamination found at the site;
- Determines the amount and type of contaminants present; and
- Determines the human health or ecological effects that could result from contact with the contaminants.
The list of COCs provided below come from EPA’s remedy decisions for this site. This list may not reflect a modification to these decisions that removes a contaminant from the COC list. Also, after the decision, a COC may have been cleaned up. The COCs are displayed for the OU numbers indicated in the original decision document. OU numbers may change over time.
EPA is working to improve data quality. The information presented on this page is undergoing review for accuracy and completeness, and may be subject to change.
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About CAS #
Chemical Abstracts Service (CAS) is a division of the American Chemical Society. CAS
builds and maintains the largest and most current database of chemical substance
information in the world. These chemical substances are labeled with CAS Registry
Numbers® (CASRNs or CAS Numbers) and are used internationally as unique numeric
identifiers for a single substance. They have no chemical significance and, because
they are widely used, are a link to a wealth of information about a specific chemical
substance. They are provided here for reference purposes to hopefully aide you in
researching the respective chemical. For more information,
visit the CAS Web site.
The Agency for Toxic Substances and Disease Registry (ATSDR) is an agency of the U.S. Department of
Health and Human Services. ATSDR is charged under the Superfund law (CERCLA) to assess the presence
and nature of health hazards at specific Superfund sites, to help prevent or reduce further exposure
and the illnesses that result from such exposures, and to expand the knowledge base about health
effects from exposure to hazardous substances. ATSDR maintains a series of fact sheets and profiles
about contaminants of concern commonly found at Superfund sites. Links to these resources are
provided above when available. For more information,
visit the ATSDR Web site.
About EPA’s IRIS
The Integrated Risk Information System (IRIS), prepared and maintained by the U.S.
Environmental Protection Agency (U.S. EPA), is an electronic database containing
information on human health effects that may result from exposure to various chemicals
in the environment. IRIS was initially developed for EPA staff in response to a growing
demand for consistent information on chemical substances for use in risk assessments,
decision-making and regulatory activities. The information in IRIS is intended for those
without extensive training in toxicology, but with some knowledge of health sciences. For
more information, visit the EPA IRIS Web site.
About EPA’s SRS
The Substance Registry System (SRS) is the Environmental Protection Agency's (EPA) central
system for information about regulated and monitored substances. The system provides a common
basis for identification of chemicals, biological organisms, and other substances listed in
EPA regulations and data systems, as well as substances of interest from other sources,
such as publications. The system does not provide health hazard information at this time. For
more information, visit the EPA SRS Web site.