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Hazardous Waste Management Practice Test: Risk Assessment
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Avg score: 75% Most missed: “Exposure assessment follows hazard characterization.”
Hazardous Waste Risk Assessment topics include: Hazard identification, risk characterization, exposure and toxicity assessment. A hazardous waste management risk assessment is a process that calculates the probability of waste components causing negative effects on the environment or public health. It also assigns numerical risk values to the events it analyzes.  Here are some things to consider when performing a risk assessment: Identify potential hazards Identify who might be harmed by those hazards Evaluate risk (severity and likelihood) Establish suitable precautions Implement... Show more
Hazardous Waste Management Practice Test: Risk Assessment
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25 Questions

1. Which of the following does not come under elements of risk characterisation?
2. Which of the following risk assessment tool is used for the determination of spatial distribution of contaminants at the site?
3. Which toxicity test is preferable to determine the acute or chronic toxicity of air, water and wastewater discharges or total pollutant loads?
4. Hazard identification mainly focus on ______________
5. What is the final stage of risk assessment?
6. Which of the following is not characteristics of hazardous waste?
7. ______ provides information important for interpreting the risk results.
8. _________ is an interpretation tool which enables toxicity of unknown mixtures of chemicals be converted into the concentration of an equivalently toxic reference substance.
9. Exposure is a state in which a person can potentially be influenced by a force or situation but not necessarily affected.
10. What does the term “exposure” to chemical pollutants from hazardous waste management processes indicate?
11. If the MDD from the target population is smaller than the RfD, the exposure is considered relatively _________
12. What are the steps involved in evaluation of toxicity?
13. Why does site history have to be considered for hazard identification?
14. What is the main objective of risk assessment?
15. What should be the MOE after extrapolation to humans to be considered as a low risk?
16. What is toxicity equivalence factor?
17. An incident can be called hazardous only when?
18. Which of the following is not a component of risk characterisation?
19. The ____________ process determines whether exposure to a chemical can increase the incidence of adverse health effect.
20. Estimation of short-term and long term exposure are usually in terms of ________
21. What is the main objective of toxicity assessment?
22. _________ document provides guidance to EPA and other government employees for clean-up of hazardous site.
23. If the MDD from the target population is greater than the RfD, the exposure is considered relatively _________
24. What is the third step of risk assessment?
25. ___________ establishes the relationship between the contaminant/s of concern and the receptor.