Geologic & Remediation Services:

Among Hanover Environmental Services, Inc.'s areas of specialty is the assessment, remediation and monitoring of soil and water pollution associated with Underground Storage Tanks (UST) and other non-petroleum pollution sources. Hanover Environmental Services, Inc. has extensive experience working with private landowners, developers, commercial real-estate lenders, land trusts and conservation organizations to evaluate sites for potential contamination. Hanover Environmental Services, Inc., has managed the clean-up of several hundred Brownfields sites through the Cal-EPA Underground Storage Tank Cleanup Fund, including the successful closure of dozens of sites.

Our staff includes California Professional Geologists, environmental scientists, licensed contractors, environmental assessors and experienced field technicians. Hanover Environmental Services, Inc.'s geologists and project managers have extensive experience in meeting the requirements for documenting and reporting clean-up activities to regulatory agencies as well as obtaining the appropriate permits for such activities. Hanover Environmental Services, Inc., acts as the liaison between the client and regulatory agencies and has worked with various state and local agencies including: Cal-EPA, Department of Toxics and Substance Control (DTSC), State Water Resources Control Board (SWRCB), Regional Water Quality Control Board (RWCB), California Air Resources Board (CARB) and local Air Quality Management Districts (AQMD) or Air Pollution Control Districts (APCD) as well as County Environmental Health Departments. Hanover Environmental Services, Inc. also has extensive experience working with the SWRCB Underground Storage Tank Cleanup Fund Program (Fund).

Our Geologic and Remediation Services include:

• Brownfields Project Sites
• Phase I Environmental Site Assessments (ESA)

  • ESA to ASTM E1527-05 and AAI standards
  • Site Reconnaissance
  • Historical Literature Review
  • Environmental Database Searches
  • Title Searches
  • Historical Aerial Photo Review
  • Interviews and Questionnaires
  • Report Preparation and Recommendations
• Phase II Site Investigations
  • Preliminary Site Assessments and Investigations
  • Soil and Groundwater Sampling and Analysis
• Subsurface Investigations (drilling and/or trenching)
• Soil Sampling and Analysis
• Groundwater Analysis
• Water Quality Monitoring and Reporting
• Phase III Remediation
  • Remediation System Design
    • In Situ Chemical Oxidation (Ozone Sparging)
  • In Situ Air Sparging with Soil Vapor Extraction
  • In Situ Bio Remediation
  • In Situ Bioventing with Low Flow Air Sparging
  • Vacuum Enhanced Pump and Treat
  • Pump and Treat
  • Free Product Removal
  • Soil Remediation (including Soil Excavation and Waste Transportation And Disposal)
• Remediation Report Preparation

  • Voluntary Cleanup Agreements (VCA)
  • Work Plans
  • Interim Remedial Action Plans (IRAP)
  • Community and Site Specific Health and Safety Plans (HASP)
  • Corrective Action Plan Preparation (CAP)
  • Remedial Action Plan Preparation (RAP)
  • Cleanup Progress Reports
• UST Removal

  • Site Contamination Work Plans
  • Preliminary Investigation and Evaluation Reports
  • Problem Asessment Reports
  • Corrective Action Plans (CAP)
  • Soil and Groundwater Remedial Action Plans
  • Final Closure Reports
  • Soil and Gas Surveys
• Regulatory Permitting and Compliance
• Project Management Services