Using a combination of the assigned readings and researched outside sources, respond to each of the following with one or more fully developed paragraphs. Cite all sources.
Type out your responses in a Word document and submit as an attachment. This assignment is automatically submitted to Turnitin with your submission.
1.Describe the six dimensions that should be considered when conducting an ecological risk assessment. Explain why multiple dimensions can present a problem for risk assessment. Describe three methods of effectively handling multiple dimensions which are potentially relevant to the assessment of ecological risk.
2.Define and distinguish between ‘mechanisms of action’ (MoAs) and ‘modes of action.’ Provide an example of each.
3.Explain why MoAs are important in ecological risk assessment (ERA). Describe the issues that complicate the effective use of MoAs in ERA.
4.Discuss risk assessment methods for chemical mixtures. When is it appropriate to use methods based on whole mixtures? When is it appropriate to use methods based on tests of components?
5.Describe the 7 steps involved in the EPA’s Data Quality Objectives Process. In your opinion, what step is the most important? Explain your reasoning.
