9Occupational Safety and Health Administration, U. S. Department of Lahor, Job Hazard alysis[EB/OL], http://www. osha. gov/pls/publications/pubindex, list, 2002.
10Wessberg, N. , et al. , Environmental risk analysis for acci-dental emissions[J]. Chem. Health Safety (2007), doi: 10. 10 16/j. jchas. 2007.07. 001.