Remediation Episodes

131
June 30, 2026

PFAS Regulations, Drinking Water MCLs, and What Comes Next with Eurofins Taryn McKnight

The U.S. drinking water MCLs for PFAS remain in effect, but court challenges, proposed deadline extensions, and regulatory uncertainty have left public water systems in a difficult position. Taryn McKnight, VP and PFAS Practice Leader for Eurofins Environment Testing, breaks down the current state of PFAS regulation in the United States, including the legal battles over EPA's drinking water standards, the CERCLA hazardous substance designation, and why the proposed rollback of certain PFAS compo...
130
June 9, 2026

Battelle's Chlorinated Conference: PFAS, AI, and What's Next

Battelle's Chlorinated Conference draws 1,500 environmental professionals from 23 countries, and its division manager explains why PFAS treatment is pushing the industry to its limits. Joe Tarsavage, Division Manager of Environmental Solutions at Battelle, discusses the 30-year history of the Chlorinated Conference, how PFAS contamination has reset treatment standards from two nines to five or six nines of removal, and why that gap is driving rapid innovation across the remediation sector. He al...
Guest: Joe Tarsavage
120
Nov. 18, 2025

How Alan McKim Built Clean Harbors into a Five Billion Dollar Environmental Services Company

Alan McKim, founder of Clean Harbors, joins the Environmental Transformation Podcast to discuss how he grew the company from a four-person startup in 1980 into one of North America's largest environmental and industrial services providers. McKim reflects on early emergency response work, major acquisitions including Safety Kleen, going public during the 1987 crash, and building a nationwide network of 20,000 employees, 10,000 vehicles, 700 service centers, and 100 permitted waste facilities. He ...
Guest: Alan McKim
108
May 13, 2025

Thermal Treatment of Organic Containments and PFAs with TerraTherm's SVP Jim Galligan

In this episode, host Sean Grady sits down with Jim Galligan, Senior Vice President at TerraTherm, to discuss advanced thermal remediation technologies. Jim, an industry veteran with over 34 years of expertise, dives deep into thermal conduction heating (TCH), electrical resistance heating (ERH), and steam-enhanced extraction (SEE)—powerful techniques used to remediate recalcitrant contaminants like PFAS, chlorinated solvents (PCE, TCE), PCBs, dioxins, and petroleum hydrocarbons.Learn how therma...
Guest: Jim Galligan
85
March 12, 2024

Using Super Absorbent Polymers (SAPs) to solidify liquid wastes with Whit Rawls.

Using Super Absorbent Polymers (SAPs) to solidify liquid wastes with Whit Rawls. In this compelling installment of the Environmental Transformation Podcast, Sean sits down with Whit Rawls, the expert sales engineer from Chase Corp's Zappa Stewart, to explore the fascinating technology behind SAPs. We deep dive into the use and impact of SAPs across various sectors, including waste management, sediment dredging, drilling operations, municipal wastewater treatment, and environmental remediation. F...
Guest: Whit Rawls
76
Sept. 5, 2023

"Navigating Brownfield Redevelopment: Challenges and Opportunities"

Brownfield Redevelopment strategies with Hemisphere Brownfield Group⁠ and Ardent Environmental. Join us for a dynamic conversation with Todd Davis and Bill Dennis, industry veterans in the field of brownfield redevelopment. Todd, an experienced attorney and CEO of Hemisphere Brownfield Group, and Bill, a principal at Arden Environmental Services, share insights on their 30-year journey in transforming contaminated sites into thriving properties. From early days of uncertainty to the evolution of...
72
July 11, 2023

Water Filtration and Equipment Selection

In this episode we discuss Water Filtration and Equipment Selection. Properly sizing a water filtration system can be challenging. Who do you call when you need help figuring out the size of pumps you need to drain a retention pond, or what type of filtration unit should you use to process or treat contaminated surface water or groundwater? Selecting effective treatment media is another difficult task many struggle with. I discuss these questions and more with ⁠⁠Andrew Morris⁠⁠ and ⁠⁠Jesse Green...
69
May 2, 2023

PFAS Contamination Update with Clean Cape Fear Co-Founder Emily Donavan

PFAS Contamination Update with Clean Cape Fear Co-Founder Emily Donavan. Learn about the recent TSCA court ruling where four community groups petitioned the US EPA to require Chemours to conduct epidemiology studies that included 54 PFAS chemicals for thousands of North Carolina residents. Her reaction to the EPA's Proposed PFAS Drinking Rule for 6 PFAS chemicals and if the EPA should establish a Class of PFAS Chemicals to account for Short Chain and Long Chain chemical variants. We also talk ab...
Guest: Emily Donovan
67
March 21, 2023

In -Situ Chemistry Evaluation and Selection

Today we have a panel discussion with today’s guests, Eliot Cooper of Cascade, Dr. Bradley Droy of TEA Environmental Solutions, and Craig Bruno of Landmark Environmental, around the evaluation process of selecting the proper In-Situ Chemistry products. We also discuss what goes into bringing new chemical amendments to market. Depending on the site characterization and hydrogeology characteristics, different chemistries may be selected based on the chemical of concern, such as CleanER iZVI, Sourc...
49
Jan. 31, 2022

How in situ remediation technologies are transforming the industry with Regenesis CEO and President Scott Wilson.

How in situ remediation technologies are transforming the industry with Regenesis CEO and President Scott Wilson. Learn how Regenesis’ PlumeStop® has been shown to be an effective in situ remediation technology to treat PFAS and other Forever Chemicals. We also discuss the research and testing involved to develop these in situ remedial products and how they are one of the best ways of eliminating contaminants from soil and groundwater. Thanks to our Sponsors: Regenesis, Pace Labs, and E-Tank....
Guest: Scott Wilson
40
Aug. 24, 2021

Robert Bilott, the attorney behind the movie “Dark Waters” and the author of the book “Exposure”, talks about the case against DuPont, PFAS litigation, and more.

Robert Bilott, the attorney behind the movie “Dark Waters” and the author of the book “Exposure”, talks about the case against DuPont, PFAS litigation, the state of PFAS regulations, what still needs to be done to protect citizens from chronic exposure Forever Chemicals, and his 20 plus fight bringing justice to those affected by PFAS contamination like the ones in Parkersburg, West Virginia in this exciting episode. Thanks to our Sponsors: Cascade Environmental, the Institute of Hazardous Mate...
Guest: Robert Bilott
39
Aug. 18, 2021

"Forever Chemicals" Environmental, Economic, and Social Equity Concerns with PFAS with Authors LeeAnn Racz and David Kempisty.

Forever Chemicals known as PFAS, are a class of man-made per-and polyfluroalkyl substances that persist in the environment and don’t break down. PFAS chemicals have been around for over 70 years and have been unregulated by the EPA for decades. Authors LeeAnn Racz and David Kempisty document in this book, "Forever Chemicals" Environmental, Economic, and Social Equity Concerns with PFAS in the Environment, the challenges with analytical testing, risk assessments, regulatory implications, consumer...
30
May 4, 2021

PFAS industry trends, sampling protocols, and analytical testing challenges with Taryn McKnight of Eurofins.

PFAS is one of the hottest topics in the industry. Can you say Parts Per Quadrillion! In this episode we talk with Taryn McKnight, the PFAS Practice Leader for Eurofins. We cover PFAS regulatory concerns related to how States and the EPA are addressing this emerging contaminant of concern. We dig into laboratory testing and sampling challenges as well as the need for more defined analytical testing methods. Other topics covered include the need for more product and toxicological testing, and a m...
7
Aug. 25, 2020

ENFOS: The Hidden Backbone of the World’s Biggest Remediation Programs.

Listen to Co-Founder Roger Well and Director of Accounts Michael Douglas talk about how ENFOS started from having no customers to becoming the Remediation backbone of the largest companies in the world (such as BP, ConocoPhillips and Dow). Back in the year of 2000, two veteran environmental consultants quit their safe full-time jobs and jumped into a high-risk venture to address one shared frustration: the inefficiency of managing Remediation projects. With a big vision in mind, Craig Modesitt a...