CES Group's Environmental Division provides a full complement of assessment, remediation, design, management and compliance services to governmental, commercial and industrial clientele.  From Phase I Environmental Site Assessments and Property Condition Assessments, to UST and AST management, soil and ground water contaminant remediation, industrial cleanup and compliance, water resources engineering and permitting, our team can help your organization navigate the often complex and dynamic matrix of environmental regulation.

CES Group's Environmental Division staff is exceptionally well-trained and experienced in the disciplines of engineering, geology, hydrogeology, biology and chemistry.  In addition to a high level of technical expertise, we understand the practical aspects of environmental management in today's business climate.


Greg Hans, PMP

Division Manager

BS Environmental Studies - University of Massachusetts at Amherst                                    Certified Project Management Professional (PMI)                                                                                

Greg Hans is a capable and experienced environmental scientist, whose 18+ year career has been focused on site assessment, monitoring, remediation and regulatory compliance, supported by broad knowledge of state and federal environmental regulations, rules and policies.  His technical expertise and core strengths span the full range of environmental consultancy operations and management, from the performance and documentation of field services, through technical report preparation, communication and coordination with regulatory agencies and clients, project planning, budgeting, forecasting and tracking, direction and management of personnel, safety and loss prevention, and business development.  His professionalism and business acumen are enhanced by learning agility and the proven ability to creatively solve complex problems.

On the basis of his training, experience and successful passage of a comprehensive written examination, Greg has earned internationally recognized certification by the Project Management Institute, as a Project Management Professional.   



  • Site Assessment & Remediation – Phases I, II & III
  • Property Condition Assessment
  • Industrial Auditing & Compliance
  • Cleanup & Decommissioning
  • Waste Stream Management
  • Spill Prevention, Control & Countermeasure (SPCC) Plans
  • Health & Safety Plans

Soil, Ground Water & Surface Water

  • Leaking Underground Storage Tank (LUST) Sites
  • Above Ground Storage Tank (AST) Sites
  • Dry Cleaning Facilities
  • Landfills
  • Brownfields & Industrial Sites
  • Investigation, Modeling, Remediation, Closure & Trust Fund Reimbursement
  • Wetlands Management