About VaporSafe
VaporSafe® is a partnership between Hartman Environmental Geoscience and Groundswell Technologies, combining over 30 years of vapor intrusion expertise with cutting-edge automated monitoring technology.
Our Expertise
We are world leaders in real-time chemical emissions and odor monitoring, providing Data as a Service (DaaS) solutions for environmental consultants, regulators, and operators.
Our team has published significant research in peer-reviewed journals, including multiple publications in Remediation magazine focusing on automated continuous monitoring methods for detecting toxic subsurface vapors.
VaporSafe® technology is accepted at multiple US EPA Superfund sites, US Navy installations, Army Corps of Engineers projects, and international agencies.
Publications
- Kram, M.L., Hartman, B., Frescura, C., et al. (2020). Remediation Magazine
- Kram, M.L., Hartman, B., et al. (2018). Remediation Magazine
- Kram, M.L., Hartman, B., et al. (2017). Remediation Magazine
- Kram, M.L., Hartman, B., et al. (2016). Remediation Magazine
Our Team

Dr. Mark Kram
Founder and CTO, Groundswell Technologies
PhD in Environmental Science (UCSB). Over 30 years developing environmental assessment techniques. Internationally recognized expert in site characterization and sensor development.

Kristof Van Vooren
CEO, Group Van Vooren (Europe)
Environmental industry experience since 1993. Bachelor's in Business Administration, MBA in International Business.

Clint Hartman
Chemist, Hartman Environmental Geoscience
Primary onsite chemist with advanced knowledge of VaporSafe equipment. Handles technology support and digital media content.

Tom Wuyts
Team Manager, Terra Engineering (Group Van Vooren)
Master's in Chemistry cum laude from University of Antwerp. Expert in ex-situ and in-situ remediation projects.

Dr. Paulo Negrão
CEO, Clean Environment Brasil
PhD in Geosciences from UNICAMP. Leads VaporSafe operations in Brazil since 2019. University instructor and Princeton Groundwater course instructor.

Dr. Blayne Hartman
CEO, Hartman Environmental Geoscience
Over 30 years of soil gas experience and 20 years of vapor intrusion experience. Nationally recognized expert and contributor to EPA and state guidance documents.

Dane Egelton
Principal Environmental Scientist, CSI Australia
15 years in contaminated land investigation. Certified Environmental Practitioner and Site Contamination Specialist.

Casey Brownell
Architect, Hartman Environmental Geoscience
Master's in Architecture from Northeastern University. Focus on design, sustainability, and business development. Licensed architect in Massachusetts.
International Resellers
Contaminated Site Investigations (CSI)
Dane Egelton
Work With Us
Whether you're an environmental consultant, regulator, or operator, we're here to help solve your monitoring challenges.
Contact Us