Ground Zone Environmental Services, Hayward

Environmental Site Assessment

Phase I Services (ASTM E1527-05)

  • Historical aerial photo review
  • Historic directory research
  • Local and regional agency file review
  • Topographic survey review
  • EDR report review
  • Sanborn map review
  • Chain of title review
  • Prepare comprehensive report

Phase II Services (ASTM E1903)

  • Soil sampling
  • Groundwater sampling
  • Soil gas sampling
  • Determining appropriate chemical testing
  • Supervising drilling activities
  • Borehole logging
  • Overseeing use of geophysical equipment for utility clearance
  • Coordinating entire investigation activities
  • Use of look up tables to assess potential for human health risk
  • Preparing technical reports and documents

Phase III Services

  • Determining the Extent of Contamination in Soil and Groundwater found during the Phase II Environmental Assessment
  • Determining the amount of Soil and Groundwater Impact
  • Preparing Risk Assessment
  • Preparing Technical Reports and Documents
  • Preparing Feasibility Studies to Determine Appropriate Remedy
  • Preparing Remedial Action Plan
  • Conducting Environmental Liability Assessment
Ground Zone Environmental Services, Hayward