Hazardous Waste Management Mock Test 1

10%

Question 1 of 10

1. Acute effects may take years to show up.

False

True

Question 1 of 10

Question 2 of 10

2. What is the main objective of toxicity assessment?

To analyse chemical exposure

To estimate how much of a substance does what kind of harm.

To determine chemical concentration

To determine source of pathway

Question 2 of 10

Question 3 of 10

3. _________ is an interpretation tool which enables toxicity of unknown mixtures of chemicals be converted into the concentration of an equivalently toxic reference substance.

Toxicity interpretation

Toxicity equivalencing

Toxicity proportion

Toxicity index

Question 3 of 10

Question 4 of 10

4. Ingestion can be called secondary exposure pathway after skin contact happens.

False

True

Question 4 of 10

Question 5 of 10

5. The purpose of risk management is to identify potential problems before they occur so that risk-handling activities may be planned.

False

True

Question 5 of 10

Question 6 of 10

6. If the MDD from the target population is greater than the RfD, the exposure is considered relatively _________

Permissible

Safe

Void

Unsafe

Question 6 of 10

Question 7 of 10

7. A quantitative uncertainty analysis requires knowledge about the ___________

Duration

Intensity

Frequency

Potential range of values likely to encompass the true but unknown value

Question 7 of 10

Question 8 of 10

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

Direct

Minimal

Acute

Chronic

Question 8 of 10

Question 9 of 10

9. When the National Environmental Policy Act was signed into law?

January 1, 1972

January 2, 1970

January 1, 1971

January 1, 1970

Question 9 of 10

Question 10 of 10

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

Site analysis

Uncertainty analysis

Chemical analysis

Pathway analysis

Question 10 of 10