Pennsylvania Environmental Law Handbook, Sixth Edition focuses on Pennsylvania environmental law including its statutes, regulations, informal guidance, and its common law developments as reflected by administrative and Court decisions. Also included are those areas with an impact on Pennsylvania business over which the federal government retains primary responsibility or that closely interact with or supplement state programs. Since the Fifth Edition was published in 1997, there have been a number of significant developments in environmental law that made this edition necessary. This Sixth Edition has been significantly updated to reflect the developments in environmental law since 1997, and it covers the significant developments as of February 1, 2004.