Hazardous Waste Management Risk Management topics include: Exposure prediction, adverse impact estimation, uncertainty analysis, healt and environment effects from exposure.Risk assessment is a part of hazardous waste management.

Risk Management involves calculating the probability that constituents of a waste released from a facility will cause specified adverse effects to public health or the environment.

Hazardous Waste Management Practice Test: Risk Management

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25 Questions

1. How is sensitivity analysed in risk estimation?

Character assessmentBy critical assumptionsPersonal measurementChemical assessment

2. Toxicological and epidemiological exposure-response relationship comes under ________

Co-existence assessmentConsequence assessmentChemical assessmentCharacter assessment

3. Exposure prediction is difficult and complex.

FalseDon't KnowMaybeTrue

4. Acute effects may take years to show up.

MaybeTrueFalseDon't Know

5. Which of the following chemical is responsible for London smog episode?

SulphurSulphur trioxideSulphur oxideSulphur dioxide

6. Uncertainty in the point estimate that is less than one order of magnitude is considered ___________

ModerateLowHighVery high

7. Exposure prediction depends upon _______ of exposure.

AgentsGeneticsFrequency and intensityData collection

8. Risk assessment includes prioritization of risks, categorization of recommended safeguards.

Don't KnowTrueMaybeFalse

9. What is chronic toxicity?

Benefits due to exposureEffects due to exposureEffects due to long term exposureEffects due to short term exposure

10. A quantitative uncertainty analysis requires knowledge about the ___________

DurationFrequencyPotential range of values likely to encompass the true but unknown valueIntensity

11. Minamata, Japan hazard outbreak had _____ effect on the population.

DirectAcuteChronicMinimal

12. Which of the following is not a modelling approach for prediction of exposure in ecological risk assessment?

Static representation of the environmentSite historySimplified dynamic approachChemical discharge

13. If the cost of remediation required to reduce exposure or risk is low, a quantitative uncertainty analysis is not required.

MaybeFalseTrueDon't Know

14. What does the below hazard pictograph represent?

ToxicityChronic toxicityAcute toxicityOxidisers

15. For existing chemicals, we should always consider ________ exposure assessment based on modelling, to derive an environmental concentration.

Moderate caseReasonable worst caseHigh caseBetter case

16. Which of the following chemical is responsible for acute lung disease from Bhopal gas tragedy?

MethylisocyanadeMethylisocyanateMethylcyanateMethyl

17. In ecological risk assessment, risk is expressed as the ratio of _________

PEN TO PECPNEC to PECPEC to PNECPEC TO OEC

18. ________ is a valuable tool for prioritizing the contaminants.

Chemical analysisUncertainty analysisPathway analysisSite analysis

19. Which of the following is not a function of hazard pictogram?

Identification of the productHazard statementsAnalysisDanger or warning

20. What is the task of risk management?

Implementing the management measures and allocating management resourcesToxicity assessmentExposure assessmentChemical analysis

21. The different ways a person can come into contact with hazardous chemicals are called _______

Chemical pathwaysExposure pathwaysToxic pathwaysHazard pathways

22. Exposure effect is more in adults than that of children.

FalseMaybeTrueDon't Know

23. If screening calculations indicate that the risk is below risk levels of concern, a quantitative uncertainty analysis may not be necessary for site.

MaybeFalseTrueDon't Know

24. What is the first step under parameter uncertainty analysis?

Specify a subjective probability distribution (pdf) for values occurring within this rangeAccount for dependencies and/or correlations among parametersSpecify the maximum conceivable range of potential values relevant for unknown parameters with respect to the endpointList all uncertain parameters

25. The important factors to be considered in the decision making process for ecological risk assessment are ______

Rate of exposureFinding thresholds and identifying the potential for irreversible changeDose responseChemical analysis