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  • Is the air monitoring equipment detecting chemicals of concern?

    Yes, the air monitoring and sampling equipment are capable of detecting many chemicals of concern in the community and currently detections are below levels of concern. Some of the monitoring equipment may not detect a portion of the chemicals at lower levels–specifically n-butyl acrylate. However, there are independent tools used…

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  • How can I get help interpreting well sampling results?

    Residents requesting Columbiana County water well sample results or assistance interpreting results taken by AECOM or Stantec laboratories can email ( nstaggartroad@stantec.com ). Additionally, a toxicologist is available to answer questions at 800-222-1222. Columbiana County residents near East Palestine with drinking water wells can request sampling by calling 330-849-3919. Pennsylvania…

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  • Is anybody sampling State Line Lake and the pond near the derailment site?

    Norfolk Southern collects daily samples from the surface water near the derailment site, north of the tracks. State Line Lake flows through a wetland area and into the surface water area where the samples are taken. The agencies are reviewing all surface water results and Norfolk’s proposed plan for characterizing…

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  • Why Doesn't my Output Vehicle Miles Traveled (VMT) Match my Input VMT?

    See More Frequent Questions about MOVES and Related Models . This problem usually occurs when the run specification does not include all possible vehicle and fuel types. MOVES internally allocates the input VMT to each of the source types and fuel types and only reports the VMT for the fuel…

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  • What does MOVES Assume for Future Year Fleet Fuel Efficiency and Emissions?

    See More Frequent Questions about MOVES and Related Models . MOVES reflects all fuel economy and emissions standards that were final as of the model release date. For a list of recent regulations accounted for in the most recent MOVES version, see the see the Overview of EPA’s Motor Vehicle…

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  • What is the status of the sampling data from Leslie Run and Sulphur Run?

    Sediment sampling in Leslie and Sulphur Run is complete. The data generated by this work are being evaluated and compared to human health and ecological risk threshold criteria. That will lead to a determination about whether additional actions will be required and what those actions should be.

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  • How is the sediment sampling in Leslie and Sulphur Run different than the eco-assessment?

    The main purpose of sediment sampling is to understand the extent of sediment contamination in Sulphur and Leslie Run. The eco-assessment, however, focuses on the potential uptake of contaminants in fish and other organisms.

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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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  • How does MOVES Calculate CO2 and CO2 Equivalent Emissions?

    See More Frequent Questions about MOVES and Related Models . MOVES calculates the energy it takes to operate an onroad vehicle based on energy consumption rates as explained in the technical reports Greenhouse Gas and Energy Consumption Rates for Onroad Vehicles MOVES3 (pdf) (November 2020, EPA-420-R-20-015) and Exhaust Emission Rates…

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  • Why Are There No Emissions for the Early and Late Hours of the Day for Certain Source Types?

    See More Frequent Questions about MOVES and Related Models . MOVES has no start emissions for the certain source types in certain hours of the day. While we know that a non-zero number of these source types do start late at night, our activity data on these trucks and buses…

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  • I have a question about a word or phrase on the List N website. I’m not sure how something on List N helps me fight COVID-19.

    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. List N is a list of products that EPA expects will kill SARS-CoV-2, the coronavirus that causes COVID-19, when used according to…

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  • I want to use a product to kill SARS-CoV-2 (COVID-19) but it isn’t on List N. Is it effective against SARS-CoV-2 (COVID-19)?

    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. First, make sure that the product isn’t on List N . Learn how by reviewing, " I can’t tell if the product…

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  • What are preliminary data and how are they different from validated results?

    Preliminary data are the initial results received from samples sent to the laboratory. The general findings from this data may be used before validation if there is an immediate health or environmental threat. Data validation is the formal process by which experienced chemists assess the quality of the preliminary data…

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  • What Pollutants are Included in “oxides of nitrogen” in MOVES?

    See More Frequent Questions about MOVES and Related Models . The definition of NOx in MOVES (NO + NO2 + HONO) is different than the standard NOx definition of NOx (NO + NO2). This change has been made to correct the exhaust NOx emission in MOVES for potential interference with…

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