168 Environmental Impact Analysis
• Ongoing regional monitoring required by the Clean Water Act and
Clean Air Act at established long-term sampling sites.
• Hazardous waste cleanup efforts. As part of remedial site investiga-
tions, the conditions of critical environmental resources associated
with the site, and sometimes the adjacent areas, are described in detail
(e.g., biological conditions as part of the ecological risk assessment
required for most site cleanups, Section 7.2).
• Academic research. Investigations done for some graduate theses fre-
quently include description of existing conditions as part of testing a
hypothesis.
• Government-sponsored environmental monitoring programs. For
example, the U.S. EPA sponsored ...