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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 definition of a child under 6 years of age?

    Answer: A child under six years of age is a child that is less than 72 months old. Question Number: 23002-22691 Find a printable PDF copy of all frequent questions pertaining to lead .

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  • A child’s consecutive visits to a particular building (such as a hospital) can technically qualify that building as a child-occupied facility, even if the visits were an isolated event. How long does such a building remain a child-occupied facility?

    A child’s consecutive visits to a particular building (such as a hospital) can technically qualify that building as a child-occupied facility, even if the visits were an isolated or rare event. How long does such a building remain a child-occupied facility? Answer: A building, or portion of a building, is…

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  • What should I do if I am concerned about my family's exposure to lead?

    Answer : A blood test is the only way to find out whether you or a family member already has lead poisoning. Call your doctor or local health department to arrange for a blood test. You can protect your family every day by: Regularly cleaning floors, window sills, and other…

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  • What are some of the health effects of lead in children?

    Answer : Lead is especially dangerous to children under six years of age. Lead can affect children's brains and developing nervous systems, causing reduced IQ and learning disabilities, and behavioral problems. Even children who appear healthy can have dangerous levels of lead in their bodies. To learn more about the…

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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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  • What information can I get about lead-based paint in a home before I buy or rent it?   

    Answer : Many houses and apartments built before 1978 have some lead-based paint. Lead from paint chips, and dust can pose serious health hazards if not taken care of properly. Federal law requires that individuals receive certain information before renting or buying pre-1978 housing. Sellers and landlords must: Disclose information…

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  • I thought lead-based paint had been phased out. How many homes still contain lead-based paint?

    Answer : The Department of Housing and Urban Development’s (HUD) National Survey of Lead and Allergens in Housing estimated that 38 million permanently occupied housing units (40% of all housing units) in the United States contain some lead-based paint that was applied before the residential use of lead-based paint was…

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  • What is Lead?

    Answer : Lead is a toxic metal that was used for many years in products found in and around our homes. Lead also can be emitted into the air from motor vehicles and industrial sources, and lead can enter drinking water from plumbing materials. Lead-based paint is present in many…

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  • If a building contains a child-occupied facility, must all renovations in the building follow the Lead Renovation, Repair and Painting (RRP) Rule?

    Not necessarily. “Child-occupied facility’’ means a building, or portion of a building, constructed prior to 1978, visited regularly by the same child, under six years of age, on at least two different days within any week (Sunday through Saturday period), provided that each day’s visit lasts at least three hours…

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  • What is a child-occupied facility?

    Answer: A child-occupied facility is a building, or a portion of a building, constructed prior to 1978, visited regularly by the same child, under six years of age, on at least two different days within any week (Sunday through Saturday period), provided that each day's visit lasts at least three…

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  • Where is lead found?

    Answer: Many homes built before 1978 have lead-based paint. In general, the older your home, the more likely it has lead-based paint. Soil around a home can contain lead from sources like deteriorated exterior paint, past use of leaded gas in cars, or from past renovation activities. Household dust can…

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  • What is the most significant source of childhood lead exposure in a residence?

    Answer : The scientific literature suggests that nationally lead-contaminated paint dust is the most significant source of childhood lead exposure. Lead dust comes from deteriorating lead-based paint and lead-contaminated soil that gets tracked into your home. This dust may accumulate to unsafe levels. Common renovation activities like sanding, cutting, and…

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