Environmental Engineering


Environmental services encompass a broad range of services from prevention and risk reduction to investigation and remediation. Because we understand how disconcerting it can be to receive a compliance letter or notice of violation from the US EPA or state entity, our environmental professionals are available whenever needed to help you through compliance issues and act as liaison when needed. TD&H will first verify, then determine the level of service needed and present you with a step-by-step plan.

We also believe that preventing damage will ultimately have a much more profound benefit to the environment and bottom line, so we offer a full range of prevention and risk reduction measures. A culture of environmental awareness runs through all of our services.  As an established civil engineering firm, TD&H has significant experience in waste water treatment storm water pollution prevention plans, and various water resources projects.  TD&H also has personnel with experience in projects beyond the abilities of many traditional civil engineering firms, including projects involving agricultural chemicals, leaking underground storage tanks, mine waste remediation, and hazardous wastes.

Environmental problems can often be solved more efficiently with a one-stop solution.  Our engineers work closely with our environmental and industrial hygiene professionals to identify specific environmental impacts and prepare in-place solutions that minimize project delays or cost overruns.

 

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Services Include

  • Spill Prevention, Control and Countermeasure (SPCC) Plans
  • Phase I Environmental Site Assessments (ESAs), Phase II Sampling and Phase III Clean Up
  • National Environmental Policy Act (NEPA) Compliance and Documentation for your Projects with a Federal Nexus
  • National Pollutant Elimination System (NPDES) Permitting and Compliance Assistance
  • U. S. Army Corps of Engineer Joint Application Permits
  • State Environmental Policy Act (SEPA, Washington State) and other State and Local Permitting
  • Asbestos Testing
  • Waste Characterization
  • Site Redevelopment
  • Baseline Studies