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FAQ

What happened?

  • On May 2, 2026, a release of predominantly acidified aluminum sulfate solution and, in a lesser amount, sulfuric acid took place at the facility in Fort Smith, Arkansas (7001 US-271, Fort Smith, AR 72908). 

  • The incident was reported to response authorities including the National Response Center, Arkansas Department of Emergency Management, and local response authorities.

  • Impacted areas include Off Martin Lane, Off State Line Rd, and near Hwy 112.

    What was released?

  • The released materials are commonly used products in drinking water, wastewater, poultry farms and lake water treatment applications. 

  • The aluminum sulfate solution is sprayed on chicken house floors between flocks to improve the environment for the chickens.

  • For more information about aluminum sulfate solution, please reference the Safety Data Sheet (SDS) and following sources of information: CAMEO Chemicals; EPA Supply Chain Executive Summary.

    What is being done to remediate?

  • C&S is working with an environmental remediation contractor and coordinating closely with local authorities and environmental agencies to respond to the incident.

  • Remediation began the day of the incident, and has primarily included 

    • vacuuming up released product; and,

    • treating impacted areas by neutralizing the water, scraping and collecting soil.

  • As remediation is ongoing, samples are being taken regularly in impacted areas. Where low pH is identified, neutralizing treatment is conducted or soil removed.

    What are the actions to take:

  • If individuals or vehicles encountered the solution they should rinse thoroughly with water.

  • Residents are encouraged to avoid areas where remediation is underway to prevent disrupting the work.

  • Impacted areas will continue to be treated until sample readings are acceptable upon guidance from the coordinating authorities.

    Points of Contact

  • For residents with a question or concern, we’ve opened a hotline number: 479-385-6200

  • Coordination continues with U.S. Environmental Protection Agency (EPA), U.S. Fish and Wildlife Service, Arkansas Department of Energy and Environment, Oklahoma Department of Environmental Quality (ODEQ) and local response agencies.

  • Click here to visit the EPA incident website with additional details.

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