September 2011
Fatigue and workplace incidents: http://www.trconsultinggroup.com/safety/jan2002.html
Personal protective equipment: http://www.osha.gov/OshDoc/data_General_Facts/ppe-factsheet.pdf
Solvent hazards: http://www.osha.gov/SLTC/solvents/index.html
Mine hazards: http://www.msha.gov/shicm.htm


