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Industrial Hygiene

Industrial Hygiene. Industrial Hygiene. A specialization in the broad field of safety and health. OSHAct and Industrial Hygiene. Use Warning Labels Use proper PPE’s Provision of medical tests Maintain accurate records Accessibility & Availability of tests & monitoring to employees

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Industrial Hygiene

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  1. Industrial Hygiene

  2. Industrial Hygiene A specialization in the broad field of safety and health.

  3. OSHAct and Industrial Hygiene • Use Warning Labels • Use proper PPE’s • Provision of medical tests • Maintain accurate records • Accessibility & Availability of tests & monitoring to employees • Notification of employees who have been exposed to environmental stressors

  4. OSHA Process Safety • Coverage • Employee Participation • Process Safety Information • Process Hazard Analysis • Standard Operating Procedures • Requirements for Contractors

  5. MSDS Sheets • General Information • Hazardous Ingredients • Physical & Chemical Characteristics • Fire & Explosive Hazard Data • Health Hazards • Safe Handling and Use • Control Measures

  6. Points of Entry • Inhalation • Absorption • Ingestion • Injection

  7. Effects • Acute • Sudden dose, high concentrations • Chronic • Gradual dose over a period of time

  8. Airborne Contaminants • Dusts • Fumes • Smoke • Aerosols • Mists • Gases • Vapors

  9. Effects of Airborne Contaminants • Irritants • Irritation to the skin, eyes, nose, mouth, throat, and upper respiratory tract • Asphyxiants • Disrupt breathing so severely that suffocation results • Narcotics

  10. Common Industrial Hygiene Problems • Asbestos • Sick Building Syndrome • Explosive Hazards • Confined Space

  11. Exposure Thresholds • Time Weighted Average (TWA) • Short-term Exposure Limit • Exposure Ceiling

  12. Recognizing Hazards • What is produced? • What raw materials are used? • What additional materials are used in the process? • What equipment is used? • What operational procedures are involved?

  13. Recognizing Hazards • What dust control procedures are involved? • How are accidental spills cleaned up? • How are waste by-products disposed? • Is there adequate ventilation? • Are the processes equipped with exhaust devices?

  14. Recognizing Hazards • How does the facility layout contribute to employee exposure? • Are properly working PPE’s available? • Are safe operating procedures recorded, made available, monitored and enforced?

  15. Control • Engineering Controls • Ventilation • PPE’s • Administrative Controls • Additional Strategies

  16. Important Laws • OSHA Chemical Process Standard • EPA Clean Air Act • SARA • Hazardous Materials Transportation & Uniform Safety Act.

  17. Confined Space Standard • Shutdown Equipment/Power • Test Atmosphere • Ventilate the Space • Have Rescue Personnel Stand By • Maintain Communication • Use a Lifeline

  18. Industrial SafetyIT 335 Chapter 16 Noise and Vibration Hazards

  19. Characteristics • Noise • Unwanted sound • Decibel • Measurement of sound • Threshold of Hearing • Sounds heard by the human ear • Threshold of pain • Max level of sound without experiencing pain

  20. Intensity of the Noise Type of Noise Daily Duration of Exposure Total Duration of Exposure Individual’s age Coexisting hearing problems Nature of the Environment Distance from the source Position of the ears relative to the sound source Hearing Loss Factors

  21. Critical Noise Risk Factors • Noise Level • Frequency • Duration • Distribution

  22. OSHA Regulations • Monitoring Noise Levels • Medical Surveillance • Noise Controls • Personal Protection • Education & Training

  23. Workers’ Comp.& Hearing Loss • Onset and Progress of the employee’s history of hearing loss • The employees complete work history • Results of a hearing exam • Results of hearing studies • Determination of whether the loss originated from outside the workplace

  24. Identifying Noise Hazards • Noise Surveys • Audiometric Testing • Record Keeping • Follow-Up

  25. Noise Controls • Engineering Controls (pg 378-379) • Administrative Controls (pg 380) • Hearing protection (pg 380)

  26. PreventingVibration Hazards • Low Vibration tools • Limit Employee Exposure • Change Employee Work Habits

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