1. Department of Physical Sciences, University of Arkansas-Fort Smith, Fort Smith, Arkansas;
2. Department of Chemistry, University of Missouri, Columbia, Missouri, USA;
3. Chemistry and Biochemistry, California State University San Marcos, San Marcos, California, USA;
4. Science, Engineering, and Technology Department, Howard Community College, Columbia, Mary land, USA;
5. Department of Chemistry, University of Arkansas at Little Rock, Little Rock, Arkansas, USA;
6. Department of Chemistry, Winston-Salem State University, Winston-Salem, North Carolina, USA;
7. Department of Chemistry, Louisiana State University, Baton Rouge, Los Angels, USA;
8. Environmental Fate & Effects Division, Office of Pesticides Programs, US Environmental Protection Agency, Arlington, Virginia, USA