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Phase I Environmental Site Assessments

OSI’s Environmental Site Assessors have extensive hands-on experience managing multi-industry projects of various magnitudes.  Our experienced professionals are able to anticipate environmental concerns and develop creative and cost-effective solutions, as well as providing the quick turnaround that is often required during the due diligence period of a real estate transaction.

  • Phase I Environmental Site Assessments
  • Phase II Environmental Site Assessments (Environmental Testing)
  • Asbestos testing by State of California Certified Asbestos Consultant (CAC)
  • ANSI Z9.11 Laboratory Decommissioning Assessments
  • Transaction Screens
  • Exit Assessments and Entrance Assessments
  • Baseline Environmental Site Assessments
  • Surrender Plans
  • Facility Hazardous Materials Close-outs
  • Sampling for Environmental Contamination
  • Decontamination of laboratories, fumehoods, biological safety cabinets, and hazmat enclosures

Certifications and Standards

  • Phase I Environmental Site Assessments follow the EPA approved ASTM 1527-05 Standard Practice for Environmental Site Assessments: Phase I Environmental Site Assessment Process and fulfill All Appropriate Injury as defined by the EPA under the Compensation Environmental Response and Compensation Act (CERLCA)
  • Professionals have ASTM Certification for Environmental Site Assessments for Commercial Real Estate Transactions
  • ANSI/AIHA Z9.11-2008 Laboratory Decommissioning Standard
  • ASTM E1528 - 06 Standard Practice for Limited Environmental Due Diligence: Transaction Screen Process
  • Professional liability insurance (Errors and Omissions Insurance up to $5 million)