TtEC provides a complete range of economic, social, and cultural resources services that provide flexibility to clients during the planning and implementation of projects. The diverse expertise of our economic, social, and cultural resources staff in archaeology, architectural history, and historic preservation allows us to support our clients in all aspects of compliance with such laws as the National Environmental Policy Act (NEPA), Sections 106 and 110 of the National Historic Preservation Act 1966 (as amended), and the native American Graves Protection and Repatriation Act (NAGPRA), Comprehensive Environmental Response, Compensation, and Liability Act (CERCLA) / Superfund Amendments Reauthorization Act (SARA) requirements, and state-level environmental assessment laws and regulations.

TtEC conducts studies that examine the range of potential economic and social effects that result from changes in the local and regional biological, economic, and physical environment. We consider the spectrum of primary uses, which may include electric power generation, recreation, transportation, and water supply. The categories of effects we analyze include community impacts; effects on income, employment, and population distribution; life, health, and safety factors; displacement, long-term productivity; and energy requirements and conservation.

• Techniques we employ for economic studies include cost-benefit analysis, equity measures of income or employment, and policy trade-off analysis.

TtEC works with clients to customize and deliver the best services for individual project needs, offering a full spectrum of cultural resources services including.

TtEC's cultural resources services include:

• Archaeological and Architectural Site Identification, Evaluation, Data Recovery, and Mitigation Design
• Construction Monitoring and Compliance
• Native American Consultation
• Cultural Resources Management Plans
• Cultural Resources Sensitivity Studies
• Scientific Analyses
• Cultural Resources Awareness Training