||Air quality modeling technical support document : heavy-duty vehicle greenhouse gas emission standards final rule.
||Environmental Protection Agency, Research Triangle Park, NC. Office of Air Quality Planning and Standards.
|| U.S. Environmental Protection Agency, Office of Air Quality Planning and Standards, Air Quality Assesment Division,
Air quality--Standards--United States. ;
Air--Pollution--United States--Mathematical models. ;
Greenhouse gases--Environmental aspects--United States.
Air quality standards ;
Motor vehicles ;
Greenhouse gases ;
Air pollution control ;
Air toxics ;
Fuel economy ;
||Research Triangle Park Library/RTP, NC
||Most EPA libraries have a fiche copy filed under the call number shown. Check with individual libraries about paper copy.
||ii, 26,  p. : col. ill., maps, charts ; 28cm.
||This document describes the air quality modeling performed by EPA in support of the Heavy-Duty Vehicle Greenhouse Gas Final Rule (hereafter referred to as HDGHG). A national scale air quality modeling analysis was performed to estimate the impact of the vehicle standards on future year: annual and 24-hour PM2.5 concentrations, daily maximum 8-hour ozone concentrations, annual nitrogen and sulfur deposition levels, and select annual and seasonal air toxic concentrations (formaldehyde, acetaldehyde, benzene, 1,3-butadiene and acrolein) as well as visibility impairment. To model the air quality benefits of this rule we used the Community Multiscale Air Quality (CMAQ) model.1 CMAQ simulates the numerous physical and chemical processes involved in the formation, transport, and destruction of ozone, particulate matter and air toxics. In addition to the CMAQ model, the modeling platform includes the emissions, meteorology, and initial and boundary condition data which are inputs to this model.
||"July 2011". Project Officer: Sharon Phillips. "EPA-454/R-11-004". Includes bibliographical references.
||Research Triangle Park, NC
||See also PB2010-108681 (Light Duty Report).
||Order this product from NTIS by: phone at 1-800-553-NTIS (U.S. customers); (703)605-6000 (other countries); fax at (703)605-6900; and email at email@example.com. NTIS is located at 5301 Shawnee Road, Alexandria, VA, 22312, USA.
||Also available via the World Wide Web. Location last confirmed 12/12/11.
|Corporate Au Added Ent
||United States. Environmental Protection Agency. Air Quality Assessment Division.
|PUB Date Free Form
||68A; 97R; 85H
|OCLC Time Stamp
|OCLC Rec Leader
||01371nam 2200325Ka 45020