Environmental

Environmental regulations are ever-changing and their impacts to the regulated community vary in complexity. We make it our business to understand the dynamics of environmental regulations and how they will affect your business. Regardless of a project’s complexity, TTL evaluates our clients’ needs and develops a project-specific approach that achieves dependable results and useful solutions. Contact any of our experienced environmental professionals at a location closest to you and see how TTL’s Environmental professionals can help you on your next project.

Environmental Engineering and Consulting

Our environmental expertise ranges from air, land, water/groundwater to special consulting services like:

  • Phase I & Phase II ESA’s
  • Spill Prevention, Control and Countermeasures (SPCC) Plans
  • Vulnerability Assessments
  • Emergency Response Plans
  • Risk-Based Corrective Action Evaluations
  • Air Permitting

Natural Resources and Services

TTL developed a Natural Resources Group to support our Environmental and Geotechnical services. This group is comprised of scientists, engineers and geologists from each of our offices with a broad suite of natural sciences experience. Our natural resources services include:

  • Wetlands
  • Streams
  • Threatened & Endangered
  • Species Survey
  • NEPA
  • Bioassessment (or Biomonitoring)
  • Watershed Assessment Services
  • Mitigation Banking (Stream & Wetland)

Landfill Services

TTL can provide site selection to post-closure care landfill consulting services including:

  • Hydrogeologic studies
  • Groundwater and methane monitoring plans
    Construction Quality Assurance (CQA) plans
  • Geotechnical Evaluations and Slope Stability Evaluations for landfill design
  • CQA field services (constructionand closure)
  • Groundwater/Methane Monitoring Well Installation
  • Groundwater/Methane Sampling and Reporting Services
  • Assessment of Corrective Measures Evaluations
  • Remediation System Design
  • Landfill Gas System Design
  • Storm water Pollution Prevention Plans
  • Spill Prevention, Control and Countermeasures (SPCC) Plan