OU-1: Under the EPA's oversight, Olin Corporation performed cleanup activities and operated a groundwater recovery and treatment system until 2017. Olin currently conducts groundwater monitoring at OU-1 under the EPA Superfund program and the Alabama Department of Environmental Management (ADEM) RCRA program.
| City | Mcintosh |
|---|---|
| County | Washington County |
| State | Alabama |
| Coordinates | 31.26389, -87.99445 |
Olin Corp Mcintosh Plant is a federal Superfund site in Alabama. The Superfund program, created by Congress in 1980, addresses sites where hazardous substances have been released or threaten release into the environment. EPA scores potential sites using the Hazard Ranking System; those that score high enough are placed on the National Priorities List.
Current status: Cleanup underway. Active cleanup is underway, meaning EPA has approved a remediation plan and work is in progress. Cleanup timelines vary widely — some sites take decades depending on contamination depth, groundwater involvement, and funding availability.
EPA has identified 10 contaminants of concern at this site, including 1,2,4-trichlorobenzene, 1,2-dichlorobenzene, 1,3-dichlorobenzene. Contamination has been detected in soil, groundwater, sediment, surface water, fish tissue.
If you live near this site and have health concerns, your state health department can provide site-specific guidance. EPA maintains a community involvement program for most NPL sites, and site documents — including the Record of Decision, five-year reviews, and public health assessments — are typically available through EPA's Superfund site profile.