Risk Assessment & Special Studies2023-11-30T16:59:14-05:00

Environmental Risk Assessment


Our team of innovative and applied scientists have extensive experience in water and sediment effect ratios, TMDLs, BMPs, and the development of other site-specific criteria including soil, remediation, and other environmental special studies.

The interface between science and policy is key to applying regulatory guidelines in making appropriate site‐specific decisions. Our staff has an impressive history of effective interface between dischargers and regulatory agencies, including modifying existing regulations, developing site‐specific criteria (e.g. Water and Sediment‐Effect Ratios), and assisting with environmental risk assessment to aid in the planning and decision‐making processes. In many cases, support for site‐specific applications of regulations involves the integration of toxicity, chemistry, and bioassessment information in order to provide a complete picture that fully justifies the proposed alternative. Thus, a science‐based approach is generally the most effective in terms of developing and maintaining credibility with the regulators, as well as providing a fundamentally sound basis for discussion.

  • Water and Sediment Effect Ratios (WER)
  • Total Maximum Daily Loads (TMDL)
  • Best Management Practices (BMP)
  • Risk Assessment Framework
  • Source Tracking and Identification
  • Data Based Responsibility Assignation
  • Soil assessments
  • Site specific water and sediment criteria
  • Drilling Fluid evaluations
  • Wildfire toxicity evaluations
  • Treatment effectiveness studies
  • Benchtop testing
  • Water re-use
  • Leaching studies
  • Harmful Algal Bloom (HAB) Assessment
  • Bioaccumulation studies

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