An ASAE/CSAE Meeting Presentation Paper Number: 044016 Application of the National Ambient Air Quality Standards (NAAQS) in Urban Versus Rural Environments Bryan W. Shaw, Associate Professor Texas A&M University, Department of Biological and Agricultural Engineering, College Station, TX, USA Ron E. Lacey, Associate Professor Texas A&M University, Department of Biological and Agricultural Engineering, College Station, TX, USA Sergio Capareda, Visiting Research Scientist Texas A&M University, Department of Biological and Agricultural Engineering, College Station, TX, USA Michael D. Buser, Research Agricultural Engineer USDA ARS Cotton Production and Processing Research Unit, Lubbock, TX, USA Calvin B. Parnell, Jr., Regents Professor Texas A&M University, Department of Biological and Agricultural Engineering, College Station, TX, USA John Wanjura, Graduate Research Assistant Texas A&M University, Department of Biological and Agricultural Engineering, College Station, TX, USA Lingjuan Wang, Post-Doctoral Research Scientist Texas A&M University, Department of Biological and Agricultural Engineering, College Station, TX, USA William B. Faulkner, Graduate Research Assistant Texas A&M University, Department of Biological and Agricultural Engineering, College Station, TX, USA The authors are solely responsible for the content of this technical presentation. The technical presentation does not necessarily reflect the official position of ASAE or CSAE, and its printing and distribution does not constitute an endorsement of views which may be expressed. Technical presentations are not subject to the formal peer review process, therefore, they are not to be presented as refereed publications. Citation of this work should state that it is from an ASAE/CSAE meeting paper. EXAMPLE: Author's Last Name, Initials. 2004. Title of Presentation. ASAE/CSAE Meeting Paper No. 04xxxx. St. Joseph, Mich.: ASAE. For information about securing permission to reprint or reproduce a technical presentation, please contact ASAE at hq@asae.org or 269-429-0300 (2950 Niles Road, St. Joseph, MI 49085-9659 USA).