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10 Cards in this Set

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  • Back
Purpose of biosafety
- Safety from exposure to infectious agents.
- Protect employees from hazards associated with biohazardous agents.
- Assure that biohazardous activities conducted according to accepted standards.
What is biosafety?
- Protection against exposure to infectious agents
- Covers laboratory staff, community, environment
- Combination of: engineering controls, administrative controls, procedures and practices (SOPs), PPE
What is risk?
Probability of an adverse health effect as a result of exposure to hazardous substance.
Biological Classifications
Bacteria
Viruses
Fungi
Parasites
Rickettsial
Prions
What is risk assessment?
- Action/series of actions to recognize/identify hazards and to measure risk/probability that something will happen because of that hazard.
- Plan for safety
Why do a risk assessment?
1. Determine appropriate Risk Group for agent
2. Evaluate risk to personnel
3. Determine if appropriate containment equipment and facilities are available
4. Identify appropriate safe practices and PPE for work
Evaluation process of risk assessment
- What might happen?
- Likelihood of it happening?
- If it happened, how serious would it be?
- What actions need to be taken?
What is acceptable risk?
- Safe if risks associated are judged acceptable
- Measuring risk is objective
- Judging acceptability of risk is subjective because it involves personal and social value judgments
Factors associated with assessing risk
- Agent
- Host
- Environment
Risk assessment for work wth biohazardous agents/materials
- What is known about agent/material?
- Associated with infections, toxicity, allergies?
- What role does physical environment and work activity play in assessing risk?
- Preventive measures available?
- Do barriers, PPE, prophylaxis offer protection?