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  • What is defined as a structure (home or place of business)?

    While generally defined as a building, a structure under the structural cleaning program will include only those habitable spaces where indoor occupancy is frequent and regularly occurring on a daily or near-daily basis. Examples of residential structures include primary residences and living spaces, and examples of commercial structures include offices…

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  • Why is cleaning of homes and places of businesses happening?

    Norfolk Southern, with EPA oversight, is providing indoor cleaning to eligible occupants in response to concerns about the impact of the derailment and cleanup work on homes and places of businesses. The cleaning is to address potential dust that may have been generated as part of the train derailment and…

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  • What work still needs to be done at the derailment site?

    Although contaminated soil has been excavated and removed from the derailment site, some additional work remains. Soil sampling continues to check all areas where cleanup operations took place. Stream assessments continue, and culvert clean out has started. Groundwater and drinking water sampling also continues. Expect these investigations and possible additional…

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  • Criteria for oil production facilities to be qualified facilities

    Qualified facilities are eligible for streamlined regulatory requirements in 40 CFR §112.6, which include self-certification of SPCC Plans. What criteria do oil production facilities have to meet in order to be considered qualified facilities? Oil production facilities, like all other facilities, must meet the criteria in §112.3(g)(1) or (2) to…

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  • Are the NO Values in the MOVES Output Files Actually NO (Molecular Weight 30), or is the NO Expressed as NO2 (Molecular Weight 46)?

    See More Frequent Questions about MOVES and Related Models . The NO values in all versions of MOVES2014 (and MOVES2010b) output files are expressed as NO2 (molecular weight 46). HONO and NOx are also expressed in terms of NO2.

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  • Does this mean my home or place of business is contaminated?

    No. However, indoor cleaning is being offered to address potential dust emissions that may have been generated as part of the train derailment and cleanup work. This service is being offered as an additional service to interested members of the community.

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  • SPCC compliance dates for farms

    What are the Spill Prevention, Control, and Countermeasure (SPCC) compliance dates for farms? On November 22, 2011, EPA amended the date by which certain farms must prepare, or amend, and implement their SPCC Plans to May 10, 2013 to comply with SPCC rule amendments promulgated since July 2002 ( 76…

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  • What is the Difference Between Extended Idling and Normal Idling? Is it Possible to get Distinct Idling Emission Output for any Vehicle Type? Can this be Done in the Emission Rate Mode, or only Inventory Mode?

    See More Frequent Questions about MOVES and Related Models . Extended idling is a distinct emission process defined as the overnight idling of long-haul trucks with sleeper cabs at truck stops and other locations during federally required downtime. During such idling periods, these engines experience unusual loads (televisions, air conditioning…

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  • How does MOVES Classify Light-Duty Trucks?

    See More Frequent Questions about MOVES and Related Models . There are two definitions used in MOVES for light duty trucks. The source use type light duty trucks (sourceTypeID values of 31 or 32) use the Federal Highway Administration (FHWA) VM-1 definition of light duty vehicles used to report vehicle…

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  • PE certification and applying PE's seal

    Except as provided in 40 CFR §112.6 for qualified facilities, a Professional Engineer (PE) must certify a facility’s SPCC Plan. In order to certify an SPCC plan, must a PE apply his seal to the plan, or is the PE’s signature on a certification statement sufficient for SPCC purposes? For…

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  • What is the Relationship Between Calendar Year, Model Year, and Age?

    See More Frequent Questions about MOVES and Related Models . Model year (modelYearID) corresponds to the year that a group of vehicles in the fleet was produced. Calendar year (yearID) is the analysis year as selected in the ‘Time Spans/Year’ panel of the MOVES GUI. For a given calendar year…

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  • Why are you cleaning homes and places of business?

    Since the derailment, property owners and renters have voiced concerns about the impact of the derailment and cleanup work on their homes and place of business. In response, Norfolk Southern, with EPA oversight, is providing indoor cleaning to interested, eligible occupants.

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  • I’m not concerned about dust. What about chemicals that may have been released by the event or the cleanup?

    The air and soil in and around the community has been monitored and sampled, and results confirm our confidence that the air and soil in East Palestine and surrounding communities, including inside homes, is not a concern for incident specific chemicals. While community testing conducted to date has not indicated…

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  • What is the Meaning of the MOVESScenarioID Field? What Conditions Must User-Defined MOVESScenarioIDs Meet?

    See More Frequent Questions about MOVES and Related Models . The MOVESScenarioID is merely text that is used to label the output rows resulting from a MOVES rates run and is defined in the Scale Panel of the MOVES GUI. You can enter any text you like, as long as…

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  • How are the Number of Weekdays and Weekend Days in each Month Determined in MOVES?

    See More Frequent Questions about MOVES and Related Models . For any given month, MOVES assumes that 5 out of every 7 days in the month are ‘weekdays’ and 2 out of every 7 of days in the month are ‘weekend days.’ For example, MOVES assumes that January has (5/7)*31…

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