Past Issues of Remediation Pathways
Welcome to the Remediations Pathways newsletter page, a library of newsletters published by SiREM. Articles are provided below on a variety of topics including technology development, lessons learned, and overall successes.
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A Conversation with Brent Lazenby
A Conversation with Brent Lazenby Brent Lazenby is a senior scientist based in Louisiana with Geosyntec Consultants, Inc. (Geosyntec) with more than 10 years of multi-media monitoring, investigation, and remediation experience. Brent’s day-to-day
A Conversation with Anh Pham, Ph.D.
Anh Pham is an Assistant Professor in the Department of Civil and Environmental Engineering. He obtained a B.S. degree in Chemical Engineering from Hanoi University of Technology (Vietnam), and M.S. and PhD degrees
A Conversation with Prof. Elizabeth Edwards Ph.D., P.Eng., O.C.
Elizabeth Edwards is the Director of BioZone and a Professor in the Dept. of Chemical Engineering and Applied Chemistry. She is an internationally renowned expert in bioremediation and environmental biotechnology who has spent over 30 years
The Dynamic Duo, Combining Molecular Biological Tools and Isotopes in Monitored Natural Attenuation
Monitored natural attenuation (MNA) can be a cost effective and sustainable remediation strategy, as a sole remedy, a polishing step, or downgradient of active remediation in source zones. The ability to effectively assess contaminant mass
Technology Spotlight – An Introductory Guide to Compound Specific Isotope Analysis
Stable Isotopes are “light” and “heavy” atoms of the same element Stable isotopes are atoms of an element that contain the same number of protons but different numbers of neutrons in their nucleus (e.g.,
Interview with Kevin Kuntz, Ph.D. and Anko Fischer, Ph.D.
Kevin Kuntz, Ph.D. Kevin is the lab manager and innovation expert at Isodetect GmbH, Germany. He received his Ph.D. in Biochemistry from the University of Leipzig (Germany) in the research field of anaerobic biodegradation of
Rust Never Sleeps…Harnessing Corrosion of Reduced Iron and Biology for Site Remediation
Legendary musician Neil Young coined the phrase “Rust Never Sleeps” in the late 70’s referring to relentless personal and societal decay. Neil wasn’t likely thinking about site remediation at the time but as Professor
Technology Spotlight – ISCR Column Studies
Schematic of SiREM up flow column used in flow through column studies Technology Spotlight – ISCR Column Studies “Laboratory column studies can optimize ISCR performance for the field” Granular zero-valent iron (ZVI) permeable
A Conversation with Paul Tratnyek
Dr. Paul G. Tratnyek currently is a Professor in the School of Public Health at the Oregon Health & Science University in Portland, OR. He received his Ph.D. in Applied Chemistry from the Colorado School of Mines in 1987; served
Employee Spotlight – Larissa Smith, M.Sc.
Larissa Smith, M.Sc. Sr. Laboratory Technician Larissa joined SiREM in November 2020 and immediately started contributing to SiREM’s treatability studies service area. She has over a decade of laboratory experience in a wide variety











