Search Frequent Questions

Filter By:

Active filters:

Remove all filters

Displaying 1 - 15 of 45 results

  • Can MOVES Report Output in Terms of Fuel Consumption?

    See More Frequent Questions about MOVES and Related Models . Although gallons of fuel consumed are not reported by MOVES, the factors used to convert total energy consumption (a MOVES reporting option) to gallons of fuel are contained in the FuelSubtype table (energy content, reported in kilojoules per gram of…

    • Last published:

  • How do I use MOVES at Project Scale?

    See More Frequent Questions about MOVES and Related Models . The MOVES model can estimate emissions at national, county or project scale. Project scale is useful for estimating an individual transportation project like an intersection or transit project, but it requires detailed inputs that describing the vehicle population and activity…

    • Last published:

  • How Can I Determine the Effect of Speed on Vehicle Emissions?

    See More Frequent Questions about MOVES and Related Models . MOVES can be run in either “Inventory” or “Emission Rates” mode. With Emission Rates, MOVES reports emission rates for the 16 average speed bins used by MOVES for each hour of the day and additional emission rate output that may…

    • Last published:

  • How does the Safe Drinking Water Act limit lead in pipes, plumbing fittings, fixtures, faucets, solder and flux?

    Answer: Section 1417 of the Safe Drinking Water Act (SDWA) establishes the definition for “lead free” as a weighted average of 0.25% lead calculated across the wetted surfaces of a pipe, pipe fitting, plumbing fitting, and fixture and 0.2% lead for solder and flux. The Act also provides a methodology…

    • Last published:

  • Is exposure to lead contaminated drinking water from absorption through skin a health threat?

    Answer: Human skin does not absorb lead in water. For more information visit our website: https://www.epa.gov/ground-water-and-drinking-water/basic-information-about-lead-drinking-water . Question (23002-32377) Find a printable PDF copy of all frequent questions pertaining to lead .

    • Last published:

  • Are non-transient, non-community water systems (NTNCWSs) required to monitor for lead and copper?

    Answer: All community water systems (CWSs) and NTNCWSs must collect lead and copper tap samples. The frequency of the monitoring and number of samples to be collected and analyzed is based primarily on the number of people served and tap water monitoring results. For an outline of monitoring requirements (e.g…

    • Last published:

  • Is there anything else I can do beyond flushing my tap or buying bottled water?

    Answer: Yes, find “Important Steps You Can Take to Reduce Lead in Drinking Water” if you are concerned about lead in their drinking water. The list is not intended to be exhaustive or to imply that all actions equally reduce lead from drinking water. EPA recommends you also contact your…

    • Last published:

  • My neighbors got their water tested and found lead. Is my water safe?

    Answer: Lead usually gets into drinking water through contact with plumbing materials such as lead pipes or lead solder, or faucets, valves, and fixtures made of brass (brass contains some lead). Since each home has different plumbing pipes and materials, test results are likely to be different for each home…

    • Last published:

  • Can one still sell lead solder under the Lead Ban?

    Answer: Section 1417(a)(3) of the Safe Drinking Water Act (SDWA) prohibits the sale of solder and flux that is not lead-free unless the solder or flux bears a prominent label stating that it is illegal to use the solder or flux in the installation or repair of any plumbing providing…

    • Last published:

  • Why do water systems add phosphate to drinking water? What are the health effects of drinking water containing phosphates? 

    Answer: Public water systems (PWSs) commonly add phosphates to drinking water to prevent the release of metals in drinking water. Orthophosphate is most commonly used for lead and copper control. Polyphosphates sequester iron and manganese to prevent discolored water but are not effective to control lead and copper. Blended phosphates…

    • Last published:

  • Does MOVES Incorporate Anticipated Improvements in VOC Emission Factors Resulting from Improved Fuel Economy?

    See More Frequent Questions about MOVES and Related Models . Changes in fuel consumption affect VOC emissions by reducing refueling vapor losses and spillage. Other emissions (such as sulfates) are also affected by fuel consumption. MOVES incorporates changes due to fuel economy requirements that were finalized as of the date…

    • Last published:

  • Can I use MOVES to Model Emissions from Vehicles in other Countries?

    See More Frequent Questions about MOVES and Related Models . The MOVES model was designed specifically to model the emissions from vehicles and equipment designed to meet emission standards in the United States. There are considerable challenges to adapting the MOVES framework to other nations, primarily around the need for…

    • Last published:

  • Read frequent questions on lead in drinking water

    Read frequent questions on lead in drinking water . Find a printable PDF copy of all frequent questions pertaining to lead .

    • Last published:

  • What are the public education requirements for non-transient, non-community water systems (NTNCWSs) that have exceeded the lead action level?

    Answer: When there is a lead action level exceedance, non-transient, non-community water systems (NTNCWSs) must post informational posters on lead in drinking water in public places or common areas in buildings they serve. NTNCWSs must also distribute informational pamphlets and/or brochures on lead in drinking water to each person they…

    • Last published:

  • How can lead get into my drinking water?

    Answer: Lead can enter drinking water when plumbing materials that contain lead corrode, especially where the water has high acidity or low mineral content that corrodes pipes and fixtures. The most common sources of lead in drinking water are lead pipes, faucets, and fixtures. In homes with lead pipes that…

    • Last published: