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  • What’s the difference between air sampling and air monitoring?

    Air monitoring and air sampling are two different methods of looking at air quality. Air monitoring uses electronic devices to provide real-time readings of contaminants in the air. Air sampling involves trapping air over a period of time in a container that is then sent to a laboratory for analysis…

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  • What is EPA’s role in sampling?

    EPA is part of the Unified Command consisting of different agencies to review, approve and direct Norfolk Southern’s workplans and site activities. Surface water sampling is performed by Norfolk Southern contractors, with EPA and Ohio EPA oversight. Soil sampling is performed both by Norfolk Southern contractors and EPA contractors. Air…

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  • What is the plume map and what does it tell us?

    The plume map is an “event reconstruction” based on known weather and on-site observations during a 10-hour time period after the vent-and-burn operation that occurred on Monday, February 6. It tells us where soot likely fell to the ground and where the highest concentrations of particles may be. This information…

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  • How long will it take?

    The expectation is for cleaning to take less than one day. The duration will be dependent on the size of the structure and the scope of work.

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  • Do I need to leave my structure during the cleaning?

    While it is strongly recommended that you leave the property during the cleaning, you are not required to do so.

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  • What is EPA’s role?

    EPA will provide oversight of the cleaning.

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  • What about cleaning basements or attics?

    Basements or attics will be considered for cleaning if they are finished and habitable areas.

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  • What is split sampling?

    Split sampling is a technique where multiple samples are collected from the same location at the same time and then sent to separate laboratories for analysis. Checking to see if the labs get the same or similar results is a way to determine the accuracy of the data. If there…

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  • What work happens after contamination under and between the train tracks is removed?

    After track work is complete, additional cleanup and assessments will continue. This includes shipping solid and liquid wastes off-site, excavating in areas where rail cars were staged and scrapped, and sampling and monitoring groundwater, soil, surface water, and sediment.

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  • Columbiana County Health District has sampled my private well, will it be sampled again?

    Residents will be contacted if they are within the priority zones and have signed up for private well sampling. Within 60 days after the first sample, private wells are resampled, and residents will be contacted to schedule resampling. Residents within one of the four priority zones can also schedule a…

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  • Will there be photos and videos taken of my property?

    Yes, photos and videos of your property will be taken as a requirement of the program. This is done to ensure that the conditions of the property both pre- and post-cleaning are documented thoroughly.

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  • How does EPA know that the products on List N work on SARS-CoV-2?

    List N: Disinfectants for Use Against SARS-CoV-2 View List N, a searchable and sortable list of products for use against SARS-CoV-2, the novel human coronavirus that causes COVID-19. EPA expects the products on List N to kill SARS-CoV-2, the coronavirus that causes COVID-19, because they: Demonstrate efficacy against the coronavirus…

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  • I can’t tell if the product I’m interested in is on the list or not. Can you help me?

    List N: Disinfectants for Use Against SARS-CoV-2 View List N, a searchable and sortable list of products for use against SARS-CoV-2, the novel human coronavirus that causes COVID-19. Disinfectant products may be marketed and sold under different brand and product names. To determine whether EPA expects a given product to…

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  • Who will conduct the cleaning?

    Cleaning will be performed by workers contracted by Norfolk Southern who are trained and experienced with structure cleaning. Cleaning teams will wear the following: badges, identification clothing, safety vest, shoe covers, gloves (when appropriate for the task), and face coverings (upon request by the property owner or renter).

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  • How can we be assured that this cleaning will remove any persistent hazardous material or substances?

    Based on air monitoring and sampling conducted in and around the community, there is no evidence to suggest there is contamination of concern inside structures.

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