1. Which of the following statements is true of Superfund?
I. Anyone who has ever owned a site is liable for clean-up costs.
II. Anyone who has ever transported waste to a site is liable for clean-up costs.
III. Anyone who has ever disposed of waste at a site is liable for clean-up costs.
A. Neither I, II, nor III
B. I, II, and III
C. I and II
D. II and III
E. I and III

2. Which of the following statements is true?
I. The EPA sets national air quality standards.
II. The EPA develops plans to meet air quality standards.
III. States set their own air quality standards.
IV. The states develop plans to meet air quality standards.
A. II and III
B. III and IV
C. I and IV
D. I, III, and IV
E. I and II

3. Which of the following statements are true about the Central Arizona case? (There can be more than one correct answer.)
A. Emissions from the Navajo Generating Station (NGS) were greatly degrading the view of the Grand Canyon.
B. The cost of reducing emissions from the (NGS) was trivial.
C. The EPA performed a cost-benefit analysis before ordering the NGS to reduce its emissions.
D. Under the Clean Air Act, the cost of reducing the emissions was irrelevant.
E. A court may overturn an EPA order if it believes that the preponderance of the evidence is on the plaintiff’s side.

4. The RCRA does not:
A. Ban new open garbage dumps
B. Require garbage to be treated before it is taken to an existing dump
C. Require landfills to monitor groundwater
D. Provide financial assistance to states
E. Require states to develop a permit program for landfills

5. An Environmental Impact Statement is not required to include a discussion of:
A. The commercial value of any threatened species
B. Available alternatives to the proposed actions
C. Direct impacts
D. Indirect impacts
E. Impact on cultural resources