Search Frequent Questions

Filter By:

Active filters:

Remove all filters

Displaying 1 - 15 of 36 results

  • 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…

    • Last published:

  • 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…

    • Last published:

  • 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…

    • Last published:

  • Secondary containment for oil-filled operation equipment under SPCC

    On December 26, 2006, EPA provided an optional alternative to the general secondary containment requirements in 40 CFR §112.7(c) for qualified oil-filled operational equipment ( 71 FR 77266 ). Because the alternative is optional, an owner or operator could choose to comply with the existing SPCC requirements to provide general…

    • Last published:

  • What is the “reduced speed” near work areas? When will the speed limit return to normal?

    The reduced speed near work areas on Taggart Street is 15 miles per hour. Be aware that air monitoring vans drive at 10 miles per hour and no passing is permitted. Please obey reduced speed signage to ensure safety of workers and work vehicles. Speed restrictions will continue until final…

    • Last published:

  • What hours will truck traffic be present? About how frequent and how long are wait times expected to be?

    Most truck traffic on Taggart occurs from 6 a.m. to 6 p.m. Vac trucks and support vehicles will continue to use the street through overnight hours. During traffic interruptions, wait times will likely vary from 15 to 30 minutes and may occur often throughout the day.

    • Last published:

  • Are there health risks to driving through Taggart Street?

    There are no anticipated health risks along Taggart Street associated with project activities. As work proceeds, to ensure worker and community safety, the Unified Command will continue to evaluate site conditions for health and safety considerations. While traffic will be able to proceed through the work areas along Taggart Street…

    • Last published:

  • 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…

    • Last published:

  • 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.

    • Last published:

  • SPCC requirements for transfer areas associated with exempt USTs

    Gas stations typically are not subject to the SPCC Rule because completely buried storage tanks subject to 40 CFR Part 280 or 281 are exempt per §112.1(d)(4). However, a gas station would be subject to the SPCC Rule if it has more than 1,320 gallons of oil in aggregate above…

    • Last published:

  • Do the changes in the 2006 Amendments apply to oil-filled manufacturing equipment?

    No. The amendment does not change any requirements for oil-filled manufacturing equipment. Oil-filled manufacturing equipment remains subject to the SPCC requirements (including those for containment), but an owner/operator may determine that secondary containment is impracticable and comply with the alternative measures in section 112.7(d).

    • Last published:

  • What is an oil spill contingency plan?

    Instead of providing secondary containment for qualified oil-filled operational equipment, an owner or operator may prepare an oil spill contingency plan and a written commitment of manpower, equipment, and materials to quickly control and remove discharged oil. He/she must also have an inspection or monitoring program for the equipment to…

    • Last published:

  • Secondary containment requirements for mobile refuelers

    What secondary containment requirements apply to mobile refuelers? General secondary containment requirements in §112.7(c) still apply to mobile refuelers at SPCC regulated facilities. General secondary containment should be designed to address the most likely discharge from the container and from oil transfers into or from the mobile refueler. The general…

    • Last published:

  • 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…

    • Last published:

  • Can I get gas at Leake Oil on Taggart Street?

    No, Leake Oil is currently closed due to site activities. They have an alternate location on N. Market Street.

    • Last published: