Phase II - Subsurface Investigations

At times, the Phase I assessment may indicate a concern or potential for concern for environmental impact to a property; in such cases a subsurface investigation (Phase II) may be recommended. Such investigations consist of sampling of soil, water, or vapors in order to identify the existence of any subsurface impact.

As part of a Phase II investigation Andersen Environmental will: 

  • Develop scope of work and methodology
  • Perform Soil, groundwater, and vapor sampling, as necessary. Confirming or refuting the existence of a suspect environmental hazard on the property
  • Installation of wells for continuous groundwater monitoring
  • Quantifying the extent, if any, of the environmental hazard 
  • Work within local; regulatory standards and guidelines
  • Interpret data and provide conclusions and recommendations
  • Reports are signed by a state certified Geologist
  • Develop a cost-effective remediation plan, if necessary.

Types of areas that are sampled:

  • Sampling of contents from tanks, drums, and sumps
  • Sampling of areas which have had or are likely to have had past spills
  • Liquid and sediment sampling in ponds, ditches, and streams
  • Soil vapor studies to screen for potential releases
  • Suspected areas of undocumented fill
  • Tank leakage testing

Other Phase II Related Services:

  • Geophysical Survey to attempt to identify existing or past UST locations
  • Soil Vapor Studies to determine the potential for indoor vapor intrusion