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Safety Plan - Control Measures


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Control Measures
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Determining and implementing control measures to reduce employee exposure to hazardous materials is part of the safety plan process.  These control measures are based on the following:

  • degree of toxicity of the substance being used
  • exposure potential of the chemical procedures to be performed
  • capacity of the engineering controls, administrative work practices, or protective equipment to effectively control employee exposure


Engineering Controls:  These controls include general ventilation, fume hoods, glove boxes and other exhaust systems. 

Work Practice Controls:  Work practices and rules are established to minimize exposure to hazardous substances in the work place.  These controls include restricted eating and drinking areas, no mouth pipetting, performing work to minimize exposure to hazardous materials and maximize the use of engineering controls.

Specific Work Practices:  Employees working with carcinogens, reproductive toxins and substances with high degree of acute toxicity must utilize special provisions to ensure safety.  These provisions include designating controlled work areas for use of these specific hazards, using special containment devices, developing procedures for safe removal of waste, and decontamination measures.

Personal Protective Equipment: Engineering and administrative controls are the primary methods for preventing employee exposure. When these controls are inappropriate or insufficient, correct personal protective equipment (PPE) is required to reduce exposure to hazards. This equipment could include goggles, face shields, hand protection, body protection, eye and face protection, respiratory protection, hearing protection, head protection, and electrical protection.

Hazard Review: The review process will generate appropriate safety recommendations for equipment design and work practices.   All protective measures are verified to ensure proper function and adequate performance.