Hazardous Waste Management Practice Test 1

1. Why does the environmental pathways of chemicals has to be found in exposure assessment?

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

3. By NEPA process, federal agencies assess social and ______ effects of proposed actions.

4. Which of the following is not a component of risk characterisation?

5. Heavy metals like Arsenic, Cadmium and Cyanide effects _________

6. Exposure is a state in which a person can potentially be influenced by a force or situation but not necessarily affected.

7. What should be the MOE after extrapolation to humans to be considered as a low risk?

8. What is the main objective of risk characterisation?

9. Who signed NEPA into law on January 1, 1970?

10. Estimation of short-term and long term exposure are usually in terms of ________