Search Frequent Questions

Displaying 1 - 13 of 13 results

• 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…

  • Last published: July 10, 2024

• 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…

  • Last published: October 23, 2024

• What state or federal agencies are responsible for evaluating records from the PADOH cancer registry? Are all types of cancers considered in this evaluation [including rare and/or environmentally associated cancers]?

  A few important items to note regarding the Pennsylvania Cancer Registry:  PADOH’s Pennsylvania Cancer Registry is a statewide data system responsible for collecting information on all new cases of cancer diagnosed or treated in Pennsylvania. It is part of the National Program of Cancer Registries administered by the Centers for…

  • Last published: February 11, 2025

• Can you explain who has authority over the active mine vs the Superfund site?

  The Montana Department of Environmental Quality has regulatory authority over the active mine. EPA is the lead agency for the Silver Bow Creek/Butte Area Superfund Site and works in consultation with MDEQ to ensure the cleanup of the Site.

  • Last published: September 26, 2024

• Is there a Pennsylvania registry that tracks non-cancer diseases or immunological disorders?

  PADOH and the U.S. Department of Health and Human Services do not have a registry for multiple sclerosis (MS), MS-related diseases or immunologic disorders. Despite extensive research on the mechanisms of MS development and progress, the exact mechanism is not known and there are no definitive studies to show causation…

  • Last published: February 10, 2025

• 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…

  • Last published: March 20, 2024

• 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…

  • Last published: July 10, 2024

• Why is it difficult to establish a link between cancers or other illnesses and environmental exposures?

  The complex nature of cancer makes it inherently challenging to identify, interpret, and address cancer clusters. Cancer is a term describing different diseases that share a similar characteristic: uncontrollable cell growth and division. As a group, cancers are very common. Cancers are the second leading cause of death in the…

  • Last published: November 26, 2024

• How do we know our drinking water has not been affected over the past 40+ years when the landfill was operating and after it closed since there were no regulations governing its operation or closure?

  The Norwood community is serviced by a public drinking water source. The public water supply must meet federal and state Safe Drinking Water Act Standards. Public water systems are required to share annual reports that describe what, if anything, is found in the water supply.

  • Last published: February 18, 2025

• 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…

  • Last published: July 10, 2024

• What Drives Seasonal CO Emission Trends?

  See More Frequent Questions about MOVES and Related Models . Once a vehicle’s engine/catalyst reaches operating temperature, the ambient temperature has little effect on the emissions performance of the vehicle. These “running” emission rates in MOVES have no temperature adjustment. However, during summer months at warm temperatures, MOVES assumes extensive…

  • Last published: July 10, 2024

• How do we know that we have not been exposed to contamination from the Landfill for the past 40+ years?

  EPA works closely with its partner, the Agency for Toxic Substances and Disease Registry (ATSDR) in evaluating potential health exposures from waste sources. ATSDR has the ability to look at the cancer registry data to evaluate potential past exposures, while EPA’s role is to evaluate current and future exposure. ATSDR…

  • Last published: February 11, 2025

• Can Norwood residents be exposed to contamination if we grow and eat our own vegetables from gardens in our yards?

  To date, contamination has not been found on residential properties that would pose a risk. In addition, the concentrations of the contaminants found at the Norwood Site are often found in urban communities. Studies show that exposure to contaminants via vegetable gardens is negligible. With the exception of some root…

  • Last published: February 18, 2025