1. CT: Bergin & Garvey, Managing planet Earth: perspectives on population, Ecology, and the Law. Westport, 1990, 44.
2. Nitrobenzene. Initial Report of the TSCA Interagency Testing Committee to the Administrator. EPA 560-10-78/001,1978
3. The original list of hazardous air pollutants by EPA Agency,2013
4. EPA, Technology Transfer Network, Air Toxics Website, Benzene,2006
5. Commission Directive 2000/39/EC. Official Journal of European Communities 2000. L142/47–L142/50 (Accessed 05 May 2014). [9] Anonymous. Commission Directive 2004/37/EC. Official Journal of European Communities 2004. L229/23–L229/34 (Visiting Date – 07 June 2017).