Particulate matter (PM-10). (2012, June 5). Retrieved June 14, 2015,
from U.S. Environmental
Protection Agency website:
http://www.epa.gov/airtrends/ aqtrnd95/pm10.html
Rottenberg, A. T., & Winchell, D. H. (2012). Elements of argument (10th
ed.). Boston, MA:
Bedford/St. Martin's.
Smith, T., Axon, C., & Darton, R. (2011). Driving ambition. TCE: The
Chemical Engineer, (873), 32- 33.
WHO’s ambient air pollution database ? update 2014. (2014). Retrieved
June 14, 2015, from World Health Organization website:
http://www.who.int/phe/
health_topics/outdoorair/databases/AAP_database_results2014.pd
f?ua=1