Susan Mathiascheck works with large and small clients to achieve business goals in the face of environmental challenges. Representing clients ranging from major industrial concerns and resource extraction companies to trade associations and governmental entities, she advises and litigates under the various federal environmental statutes—including the Clean Water Act, Clean Air Act, Safe Drinking Water Act, Endangered Species Act, Resource Conservation and Recovery Act, National Environmental Policy Act and Superfund—as well as under state and local requirements.

Ms. Mathiascheck has particular experience in complex judicial challenges to agency actions. She regularly advises clients on endangered species concerns, emergency response, resource and property use and development, air and water emissions, hazardous waste, and permitting and other regulatory approvals. She also assists clients with cost recovery, environmental aspects of corporate and real estate transactions, and bankruptcy-related environmental issues.

Representative Matters:

• Nuclear Energy Institute, Inc. v. U.S. EPA, (D.C. Circuit): challenged radiation standards for Yucca Mountain waste repository.
  

• Representation of energy development companies with respect to permitting, NEPA, federal resource management plans, the Outer Continental Shelf Lands Act and other aspects of offshore and onshore resource exploration and development.
  

• Counseling telecommunications clients with respect to environmental compliance matters, including requirements under the Clean Air, Clean Water and Emergency Planning and Community Right to Know Acts.
  

• Representing manufacturing and real estate businesses with respect to air and water permitting, emergency response and waste handling and disposal issues, including alleged regulatory violations.
  

• Counseling on environmental issues relating to casino development.
  

• City of Waukesha v. U.S. EPA, (D.C. Circuit): challenged maximum contaminant level standards under the Safe Drinking Water Act.
  

• National Gypsum v. U.S. EPA, (D.C. Circuit): represented facility owner in successfully overturning placement of site on Superfund National Priorities List.