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  • Where can I find older NEI data (prior to 2008)?

    The raw data and summaries that are still available (dating back to 1990) can be obtained from the web page https://www.epa.gov/air-emissions-inventories/pollutant-emissions-summary-files-earlier-neis . Starting with 2001 data, a more limited selection of summary files are available.

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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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  • 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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  • 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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  • Are biogenic emissions included in the emissions trends Tier 1 data?

    No, the biogenic emissions are not included in the emissions trends Tier 1 data. If needed, users can add the biogenic data either as a separate Tier, or specify its inclusion in the “Miscellaneous” Tier 1 group.

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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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  • 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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  • 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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  • What sources make up the Sectors or Tiers used in the emissions data summaries?

    Tier 1 and Sector categories are assigned by source classification codes (SCCs) that are the most specific processes available in the NEI. The latest SCC list with the Tier 1 and Sector assignments can be downloaded from the EPA SCC website in Comma Separate Values (CSV) format.

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  • What will cleaning involve?

    Cleaning will include a top-down approach, starting from the top floor and working down, addressing habitable spaces. Workers will wet-wipe accessible horizontal hard surfaces, wet mop hard floors, vacuum floors, carpets and appropriate soft surfaces, and dry dust appropriate vertical surfaces. Cleaning teams will not move appliances, and cleaning under…

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