Module 1: Introduction to Noise Pollution

• Definition and sources of noise in the workplace and environment
• Health and productivity impacts of excessive noise
• Regulatory frameworks (OSHA, EPA, ISO 45001)

Module 2: Types and Characteristics of Noise

• Continuous, intermittent, and impulsive noise
• Frequency, intensity, and duration
• Identifying hazardous noise levels

Module 3: Health Effects of Noise Exposure

• Hearing loss, tinnitus, and stress-related conditions
• Non-auditory effects: sleep disruption, cardiovascular risks
• Long-term vs. short-term exposure effects

Module 4: Noise Assessment and Monitoring

• Noise measurement techniques and instruments
• Determining exposure levels and duration
• Maintaining monitoring records for compliance

Module 5: Regulatory Standards and Compliance

• OSHA permissible exposure limits (PEL)
• National and international noise regulations
• Reporting requirements and legal implications

Module 6: Noise Control at Source

• Engineering controls: mufflers, barriers, enclosures
• Equipment modifications and maintenance
• Reducing noise during production or operations

Module 7: Noise Control Along Pathways

• Use of sound-absorbing materials and barriers
• Isolation and separation of noisy equipment
• Optimizing workspace layout for noise reduction

Module 8: Noise Control at Receiver

• Administrative controls: shift rotations, work breaks
• Limiting exposure time
• Signage and awareness campaigns

Module 9: Personal Protective Equipment (PPE)

• Earplugs, earmuffs, and custom hearing protection
• Correct fitting, usage, and maintenance
• Training employees on PPE compliance

Module 10: Emergency Response and Risk Mitigation

• Handling unexpected high-noise situations
• Evacuation procedures in extreme exposure scenarios
• Coordination with occupational health services

Module 11: Employee Training and Awareness

• Educating employees about noise hazards
• Safe work practices and hearing conservation programs
• Toolbox talks, drills, and refresher sessions

Module 12: Continuous Improvement and Safety Culture

• Reviewing noise-related incidents and hearing loss cases
• Updating noise control strategies and procedures
• Promoting a proactive hearing conservation and safety culture