1. O’Neil, M.J.; Heckelman, P.E.; Koch, C.B.; Roman, C.M. The Merck Index 14th ed. 2006 Merck & Co., Inc. Whitehouse Station, NJ 1142
2. Lewis, R.J. Sax's Dangerous Properties of Industrial Materials 8th ed. 1992 Van Nostrand Reinhold New York, NY 2536
3. American Conference of Governmental Industrial Hygienists (ACGIH). Documentation of the Threshold Limit Values for Chemical Substances, 7th ed. ACGIH: Cincinnati, OH, 2012 Supplement. Documentation for Nitrogen Dioxide. Accessed from http://www.acgih.org on January 14, 2014.
4. New Jersey Department of Health and Senior Services. Hazardous Substance Fact Sheet for Nitrogen Dioxide. Accessed from http://nj.gov/health/eoh/rtkweb/documents/fs/1376.pdf on January 14, 2014.
5. U.S. National Library of Medicine. Haz-Map Information Sheet for Nitrogen Dioxide. Accessed from http://hazmap.nlm.nih.gov/category-details?id=23&table=copytblagents on January 14, 2014.