J. Mark Nielsen

PE, Principal

T: +1 215 523 5600

Mark Nielsen has more than 20 years of experience with environmental and civil design projects, with particular emphasis on the application of risk assessment and risk management strategies to site remediation and landfill closure projects under Superfund, RCRA and state cleanup programs. He has managed projects in Argentina, Brazil, Canada and Guam. His work at Ramboll Environ has included developing and implementing site characterization and remediation plans involving soil, sediment and groundwater contamination and landfill closures; groundwater and surface water modeling in support of risk-based remedy evaluations; environmental permitting for remediation projects; conducting remediation alternatives analyses and environmental liability assessments; and providing technical support for regulatory negotiations and expert testimony in environmental litigation. Mark has been a contributing author to technical guidance published by the Interstate Technical and Regulatory Council, and has served as adjunct professor in the Department of Civil Engineering, Water Resources Curriculum at Drexel University. He is a registered professional engineer in Delaware, Connecticut, New Jersey, Ohio and Pennsylvania.


Ramboll Environment & Health (main office)

Ramboll Environment & Health (main office)
4350 North Fairfax Drive
Suite 300
Arlington, VA 22203
Tel: +1 703 516 2300
Fax +1 703 516 2345


Other sites

Other sites