Steve can be reached at:  Work: 610.840.9117 Email:    Return to the Industry Experts page

Steve can be reached at:

Work: 610.840.9117

Return to the Industry Experts page

Stephen W. Kirschner, P.E., RSM

Senior Project Consultant in the Environmental Services group

Mr. Kirschner has 30+ years of experience in the investigation and remediation of various organic and inorganic compounds.  He has extensive experience with in-situ and ex-situ groundwater remedial design, soil stabilization/management design, vapor intrusion assessment, and the optimization of remedial systems.  Technologies include soil vapor extraction, air sparging, groundwater extraction, thermal treatment, bioremediation, and ozone sparging.  He currently chairs Montrose Environmental’s Emerging Contaminants Team (MECT).  Mr. Kirschner is a licensed Professional Engineer in 11 states.  MECT combines Montrose’s broad expertise in soil, air, water, groundwater and sediment testing and evaluation of emerging contaminants and particularly per- and polyfluorinated alkyl substances (PFAS).  Mr. Kirschner is also the technical lead for the investigation of a PFAS release that has impacted the drinking water supply of a city in New York.  Mr. Kirschner is a professional engineer licensed in 11 states. He has participated in PFAS training seminars and workshops by the National Ground Water Association, the American Bar Association and various regulatory agencies.  Mr. Kirschner also has extensive third-party stakeholder engagement and has participated in multiple public meetings.


  • Professional Engineer: CT, IL, MS,NC, NJ, NY, OH, PA, RI, SC, VA, and WI

  • North Carolina Registered Environmental Consultant Program: Registered Site Manager

  • American Bar Association (ABA) Section of Environment, Energy, and Resources (SEER), Associate Member

Highlighted Publications and Presentations:

“The Shift From CERCLA to Brownfields: A Case Study from Illinois,” by S.W. Kirschner and T.M. Legel. September 1998.

“Case History of the Removal of Lead Contaminated Soil from a Residential Area," by S.W. Kirschner. Proceedings of the Symposium on the Application of Geophysics to Engineering and Environmental Problems; SEMEG. 1990.

“Hydraulic Fracturing to Facilitate Bioremediation With Vegetable Oil Emulsion in Crystalline Rock,” by W. Slack, L. Murdoch, S. Kirschner, and B. Beegle, submitted for consideration for the 9th International In-Situ and On-Site Bioremediation Symposium. May 2007.

"Pipeline Evaluation Technique," by S.W. Kirschner. Proceedings of the Cluster of Conferences, Environmental Site Assessments: Case Studies & Strategies; NWWA. 1990.

“Novel Approach to the Use of Geologic and Soil-Gas Sampling Data in Risk-Assessment - A Case Study Using an Advective-Diffusive Emission Model,” by K.A. West, S.W. Kirschner, and W. Li.  Proceedings of the GSA Annual Meeting and Exposition.  Boston, MA.  November 1-10, 2001.

“Fracturing Emplaced Vegetable Oil Emulsion and Bioaugmentation in a Bedrock Aquifer,” by S.W. Kirschner, M. Lee, and M. Liskowitz. Procedings of RES Conference.  Philadelphia, PA.  September 2015.

“Evolution of a Remedial Injection Program in Metamorphic Bedrock,” by S.W. Kirschner, C. Petko, and W. Slack, Ph.D.  Proceeding of the Third International Symposium on Bioremediation and Sustainable Environmental Technologies.  Miami, FL.  May 2015.