Jonathan Wells is a partner in the firm's Environment, Land Use & Natural Resources and Toxic Tort Groups, where he concentrates his practice on environmental regulatory, transactional and litigation matters, and toxic tort litigation matters. His regulatory experience includes the defense of clients in federal and state enforcement proceedings, compliance counseling, providing due diligence in transactions, and hazardous site cleanups. In the toxic tort area, his experience includes defending companies from individual, mass joinder and class action claims alleging both personal injury and property damage from exposure to lead, mercury, PCBs, benzene, petroleum products and other chemicals. In transactional matters, Mr. Wells has provided counsel to buyers and sellers in transactions involving closely-held corporations, publicly-traded corporations, partnerships, and private equity funds. With respect to environmental litigation, Mr. Wells has represented clients in a variety of civil and criminal environmental litigation matters in both state and federal courts under RCRA, CERCLA, the Clean Water Act, the Clean Air Act, TSCA, and analogous state regulatory schemes.