Toxic substances from the Ohio train derailment lingered in structures for several months.

Toxic substances from the Ohio train derailment lingered in structures for several months.

Toxic substances from the Ohio train derailment lingered in structures for several months.


### Toxic Chemicals from Ohio Train Derailment Persisted in Buildings for Months: Key Insights from East Palestine

In February 2024, the quaint town of East Palestine, Ohio, drew significant national scrutiny following a catastrophic train derailment that resulted in the discharge of toxic chemicals into the environment. The incident not only polluted local water supplies but also triggered prolonged air contamination, adversely impacting the health and safety of community members and workers in the vicinity. This article explores the findings of an investigation led by Andrew J. Whelton, a Professor of Civil, Environmental, and Ecological Engineering at Purdue University, which underscores the enduring repercussions of the chemical spill and provides valuable guidance for future disaster response.

#### Aeration Equipment: A Mixed Blessing

In the wake of the derailment, contractors deployed aeration equipment along polluted creeks to infuse air into the water. This action aimed to bolster oxygen levels for aquatic organisms. However, the apparatus unintentionally discharged harmful chemicals from the water into the air. Residents close to the aerators reported pervasive strong odors permeating their residences and experienced various health issues, including breathing difficulties and migraines.

The research indicated that air pollution levels near these aerators were 2 to 25 times greater than those in surrounding areas. During the four-month investigation, rainfall and the manipulation of water flow by contractors agitated the creeks, releasing an increased quantity of chemicals into the atmosphere.

#### Insights for Future Disasters: Safeguarding Public Health

The East Palestine incident yields vital lessons for municipalities and authorities in handling chemical spills and other environmental crises. A crucial takeaway is the necessity for an **exposure pathway diagram** promptly following a chemical event. Such diagrams can assist communities in visualizing potential hazards, whether from airborne pollutants or underground channels, and help identify regions needing testing and safety protocols.

Moreover, **ongoing medical observation** is vital for individuals exposed to harmful chemicals. In East Palestine, numerous residents, workers, and visitors experienced illness; however, governmental testing was inadequate in determining the exact origins of these health concerns. The study advocates for sustained health monitoring for those impacted, particularly those who inhabited or worked in contaminated premises.

#### Indoor and Outdoor Contamination: A Lingering Issue

The study also stresses the enduring dangers posed by indoor pollution. Comparable to the effects of **wildfire smoke**, chemicals from the derailment can persist within structures for extended periods. Professional decontamination is crucial to eradicate these toxins from both the interior and exterior of contaminated buildings. Without adequate cleaning, chemicals may continue to emit into the air, leading to persistent health threats.

A notable illustration of contamination’s durability was noted in a creek in East Palestine, where a chemical sheen remained visible on the water’s surface over a month after the derailment.

#### Deficiencies in Monitoring and Response

One of the most concerning revelations from the study was the insufficiency of the air testing devices utilized by the U.S. Environmental Protection Agency (EPA). Months after approving portable air monitors for residential screening, the EPA recognized that these devices were unable to reliably identify **butyl acrylate**, one of the chemicals released during the derailment, at levels that could pose health risks. Additionally, not all chemicals emitted during the disaster were subjected to monitoring within buildings, resulting in gaps in the understanding of the full extent of contamination.

To rectify these deficiencies, the study suggests enlisting **external specialists** with expertise in chemical exposure and emergency response. These professionals can provide the necessary insight to ensure that all potential hazards are recognized and addressed.

#### Conclusion: A Demand for Enhanced Preparedness

The East Palestine train derailment stands as a poignant reminder of the enduring effects that chemical spills can impose on communities. While the initial response primarily concentrated on cleaning contaminated water, the study emphasizes the necessity of addressing air pollution and indoor contamination as well. Looking ahead, communities must advocate for more thorough testing and long-term health monitoring in the aftermath of such incidents.

Furthermore, improved tools and policies are essential to swiftly recognize and mitigate chemical exposures. By learning from the oversights observed in East Palestine, future disaster management efforts can be more successful in safeguarding public health and ensuring the safety of affected populations.

*This article is based on research conducted by Andrew J. Whelton, Professor of Civil, Environmental, and Ecological Engineering at Purdue University. It is republished from [The Conversation](https://theconversation.com) under a Creative Commons license. Read the [original article](https://theconversation.com/toxic-chemicals-from-ohio-train-derailment-lingered-in-buildings-for-months-heres-what-our-investigation-found-in-east-palestine-238511).*