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Saturday, May 16, 2020 | History

3 edition of Mobile source emission factors (for low-altitude areas only) found in the catalog.

Mobile source emission factors (for low-altitude areas only)

United States. Environmental Protection Agency. Office of Transportation and Land Use Policy

Mobile source emission factors (for low-altitude areas only)

final document.

by United States. Environmental Protection Agency. Office of Transportation and Land Use Policy

  • 373 Want to read
  • 33 Currently reading

Published by Environmental Protection Agency, Office of Transportation and Land Use Policy. in Washington .
Written in English

    Subjects:
  • Automobiles -- Motor -- Exhaust gas.,
  • Combustion gases.,
  • Trucks -- Environmental aspects.

  • Edition Notes

    SeriesEPA ; 400/9-78-006, EPA-400/9-78-006
    The Physical Object
    Pagination197 p. in various pagings ;
    Number of Pages197
    ID Numbers
    Open LibraryOL17762866M

    Scholarly publications by the initiative, Committee to Review EPA's Mobile Source Emissions Factor (MOBILE) Model. 3. Use the emission factor calculated above along with the facility's total annual production of urea. Example: The facility in question produces a total of tonnes of urea in the reporting year. The emission factor calculated in, part 2 above, for VOCs from the fluidized bed prilling process, was g per tonne urea produced.

    Advances in technology in the last few years have resulted in the availability of a variety of equipment for on-board measurement of highway vehicle tailpipe emissions during actual driving. As an example, NC State has recently completed a two-year. The emissions data for CO are largely based on estimates that employ emission factors generated from empirical and engineering studies, rather than on actual measurements of CO emissions. Although these estimates are generated using well-established approaches, including extensively reviewed mobile source models, the estimates have uncertainties.

    The following outline is presented as an overview and topical guide to air pollution dispersion:; Air pollution dispersion – distribution of air pollution into the pollution is the introduction of particulates, biological molecules, or other harmful materials into Earth's atmosphere, causing disease, death to humans, damage to other living organisms such as food crops, or the. Interengine variability in emissions was quantified using Weibull, gamma, and lognormal distributions. Bootstrap simulation was used to characterize confidence intervals for the mean. The 95% confidence intervals for the mean emission factors were as small as −10 to +11% and as large as −48 to +49%, with an average range of −26 to +27%.


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Mobile source emission factors (for low-altitude areas only) by United States. Environmental Protection Agency. Office of Transportation and Land Use Policy Download PDF EPUB FB2

The Mobile Source Emissions Factor (MOBILE) model is a computer model developed by the U.S. Environmental Protection Agency (EPA) for estimating emissions from on-road motor vehicles.

MOBILE is used in air-quality planning and regulation for estimating emissions of. This page contains information on mobile source emission factors research being conducted by EPA's Office of Transportation and Air Quality, Data and Testing Center. For further information or assistance regarding this web page, you can contact the EPA personnel listed below.

EPA Reports Light Duty Vehicles and Trucks Exhaust Emissions Reports. Get this from a library. Mobile source emission factors: final document.

[United States. Environmental Protection Agency. Office of Transportation and Land Use Policy.]. Mobile Source Emission Factors: Final Document. United States. Environmental Protection Agency. Office of Transportation and Land Use Policy.

Format Book; Government Document Published Washington: Environmental Protection Agency, Office of Transportation and Land Use Policy, Language English.

@article{osti_, title = {Mobile source emission factors. Final report}, author = {Not Available}, abstractNote = {This document officially revises previous mobile source emission factors which were presented in Supplement No. 5 to AP, Compilation of Air Pollutant Emission Factors (December, ).

This document does not revise all information in Supplement No. Mobile’Source’Emission’Factors’ Donald’H.’Stedman’and’Gary’A.’Bishop’ Chem.’Dept.’University’of’Denver’ DenverCO ph [email protected][email protected]’ ’ If#you#need#a#MOBILE#SOURCE#emission#factor#you# have#achoice#of#using#acomputer#model(very.

emission factors are developed by multiplying the emission factors in Table A-3 and A-4 by the default heat content of the fuels, which is also shown in Table A-1 and A The emission factors in Table A-3 and A-4 can be used in Equation 2 from Section 2 to calculate GHG emissions when the.

Mobile Source Emissions Inventory. Mobile Source Emissions Inventory is committed to improve air quality with various programs and standards. Both On-Road and Off-Road categories produce a variety of emissions that affect daily life in our environment.

In an effort to help control and reduce those emissions, we'll gather data. Greenhouse gas emissions from mobile combustion are most easily estimated by major transport activity, i.e., road, off-road, air, railways, and water-borne navigation.

The source description (Table ) shows the diversity of mobile sources and the range of characteristics that affect emission factors.

Equipment Class: Construction and mining and industrial equipment such as small backhoes, mini-excavators or other small equipment, forklifts, etc. Includes: Diesel under 25 horsepower, or gasoline of all horsepowers, self-propelled.

Data Sources: Inventory is based on the Off-Road model. Emissions Inventory. Download Off-Road   Factors influencing the spatial extent of mobile source air pollution impacts: a meta-analysis Ying Zhou 1 and Jonathan I Levy 1 1 Department of Environmental Health, Harvard School of Public Health, Landmark Center 4 th Floor West, P.O.

BoxBoston, MA,USACited by: This website is named after EMission FACtor (EMFAC), a model that estimates the official emissions inventories of onroad mobile sources in California. Updates March This new EMFAC website is available, starting to provide Emissions Inventory, Project Analysis, Scenario Analysis with results from EMFAC v that is approved by.

Welcome to WebFIRE. WebFIRE is the EPA's online database that contains emissions factors for criteria and hazardous air pollutants (HAP) for industrial and non-industrial processes and multiple reports submitted to the EPA using the Compliance and Emissions Data Reporting Interface (CEDRI) in response to regulatory requirements under Parts 60 and 63 of Title 40 of the U.S.

Code of Federal. ClearingHouse for Emission Inventories and Emissions Factors is the EPA web site for emissions factor and emissions inventory information, and emissions modeling for emissions inventories.

The site is maintained by the Emission Inventory and Analysis Group (EIG) and the. This viewer presents selected emission factors and abatement efficiencies included in the EMEP/EEA Guidebook Information is ordered by the respective Nomenclature For Reporting (NFR) source category code.

Not all emission factors included in the Guidebook are included in this viewer, users should always therefore consult the relevant chapter. dependent on the technology, this chapter only provides default emission factors for CO2 that are applicable to all combustion processes, both stationary and mobile.

Default emission factors for the other gases are provided in subsequent chapters of this volume, since combustion technologies differ widely between source categoriesFile Size: KB. In the case of mobile sources, emission factors are typically written in terms of grams per kilometer or grams per mile of vehicle operation.

In this case, the emissions from a vehicle can be estimated by multiplying the grams per kilometer emission factor by the kilometers or.

Regulation XXII - Mobile Source Emissions Mitigation Programs, SCAQMD Rules and Regulations, official AQMD rule book, table of contents for rules and regulations During this difficult time, South Coast AQMD is committed to protecting air quality and public health.

Technical guidance to prepare national emission inventories. The joint EMEP/EEA air pollutant emission inventory guidebook supports the reporting of emissions data under the UNECE Convention on Long-range Transboundary Air Pollution (CLRTAP) and the EU National Emission Ceilings Directive.

It provides expert guidance on how to compile an atmospheric emissions. Get this from a library. Mobile source emission factors (for low-altitude areas only): final document.

[United States. Environmental Protection Agency. Office of Transportation and Land Use Policy.]. #N#Please contact the EMFAC team if you have any questions or comments.MOBILE is the latest revision to EPA's highway vehicle mobile source emission factor model.

It will calculate emission factors for hydrocarbons (HC), carbon monoxide (CO), and oxides of nitrogen (NOx) for eight types of highway vehicles. EPA is requiring that States and others preparing emission.emission factors and emission models may be both satisfactory and appropriate.

In cases where no emission factors are available but adverse risk is low, it may even be acceptable to apply factors from similar source categories using engineering judgment.

Selecting the method to be used to estimate.