Transcript Types of Hazards - Indiana University

Say What?
Steven E. Lacey, PhD, CIH, CSP
Associate Professor & Chair
Department of Environmental Health Science
IU Fairbanks School of Public Health
Outline
•
•
•
•
•
Anatomy
Physics of sound
Health effects
Regulations
Noise control
Principles of Occupational Hygiene
• Anticipation
• Recognition
• Evaluation
• Control
Hazard Classes
• Physical
• Chemical
• Biological
• Psychosocial
Hierarchy of Controls
• Substitution
• Engineering
• Administrative
• Personal Protective Equipment
Impact on Society
• 5,000 annual occupational injury fatalities
• 50,000 occupational disease-related deaths
• $50,000,000,000 direct and indirect costs
• 20,000,000 production workers exposed to noise
Decibel (dB)
Effects of Noise
Threshold shifts, tinnitus, & hearing loss
No cure for tinnitus
Regulations, politics, & health protection
Hearing Conservation Program
1. Noise monitoring
2. Engineering controls
3. Administrative controls
4. Worker education
5. Selection and use of hearing protection devices
6. Periodic audiometric evaluations
Noise Control
• SOURCE
• PATHWAY
• RECEIVER
Noise Control
• Time
• Distance
• Shielding
Small group discussion
• What do you notice about this photo?
• What concerns you?
• Using the strategies discussed, how could you
minimize or eliminate the noise exposure?
• Who needs to be engaged to help solve this?
• What are the challenges to your strategy?
Why is it different when it’s music?
iPods
Say What?
Steven E. Lacey, PhD, CIH, CSP
Associate Professor & Chair
Department of Environmental Health Science
IU Fairbanks School of Public Health