Terraine has experience performing a variety of environmental assessments and investigation on green field, brown field, residential, farmland, military, commercial and industrial sites.

Our assessment experience includes:

• Phase I Site Assessment in accordance with ASTM Standard 1527-05

• Environmental Baseline Surveys

• Environmental Condition of Property Surveys

• CERCLA Preliminary Assessments (PA)

Terraine has also conducted investigations on sites ranging from small fuel spills to large, multiple contaminants, as well as multiple phase plume delineations in varying geologic settings.

Our experience includes all phases of petroleum hydrocarbons (free product, dissolved phase in groundwater, residual phase in soils), DNAPLs such as TCE and PCE, complex carbonate and crystalline rock settings, natural attenuation, and risk-based correction action (RBCA). Terraine has worked with and for multiple state regulatory agencies, each with its own set of guidance, action levels, policies and reporting requirements.

Our investigative experience includes:

• Underground Storage Tanks

• Soil and Groundwater Investigations

• Surface/Subsurface Contaminant Characterization

• Hydrogeologic Assessment & Modeling

• CERCLA Site Investigations (SI)