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Electric Resistance Heating (ERH) Remediation Case Study

Environmental remediation approaches can vary widely for different projects.  Based on several factors (potential contaminants, exposure pathways, lithology at the Site, neighboring properties, project stakeholder risk tolerances, timing goals, etc.), there are numerous remediation alternatives to explore.  Does the Site require active remediation such as excavation and off-Site disposal or in-situ chemical injections?  Or perhaps … more »

We’ll Always Have Paris

At the time of writing this article, Joe Biden is projected to be the 46th President of the United States of America. On January 20, 2021 he will take the oath of office and begin his presidency. How will a Biden-Harris administration govern? Will this be a return to Obama era pen and phone legislation … more »

Use of Institutional Controls to Facilitate Site Closure

Historically, the use of Institutional Controls (ICs) was associated with large, complex sites involved in U.S. Environmental Protection Agency (EPA) cleanup programs, such as Resource Conservation and Recovery Act (RCRA) Corrective Action and Superfund.  The ICs were commonly used in conjunction with removal actions, soil and groundwater remediation, and risk assessment to reduce potential for … more »

PFAS: An Emerging Concern

What do non-stick coated pans, waterproof fabrics, oil-resistant food packaging, stain-resistant materials, and fire-fighting foam all have in common?  They all potentially contain fluorinated compounds, and more specifically, are made with a suite of specialty chemicals called Perfluorooctanesulfonic acid (PFOS) and Perfluorooctanoic acid (PFOAs).   PFOs and PFOAs both are fluorinated organic chemicals, part of a … more »

Vapor Intrusion: How to Negotiate Off-Site Access

Vapor Intrusion (“VI”), or the migration of contaminant vapors from soil and groundwater into overlying structures, has been a significant topic in the environmental world for over 20 years.  Common contaminants associated with VI are volatile organic compounds (VOCs), which include gasoline constituents, such as benzene, and industrial degreasing and cleaning chemicals like tetrachloroethene and … more »

Closure: We All Strive For It, But What Does It Really Mean?

The word “closure” has many meanings in the English language, including the more general – “a condition of being closed”, and the more ethereal – “an often comforting or satisfying sense of finality, or something that provides such a sense” (Merriam-Webster).  In the environmental world, closure can have a similar meaning, but is generally, the … more »

Spice Up Your Life with Remediation Techniques

Remediation techniques designed to clean-up contaminated soil and groundwater have evolved since promulgation of regulations associated with the Resource Conservation and Recovery Act (RCRA) and the Comprehensive Environmental Response, Compensation, and Liability Act (CERCLA) in the 1970s and 1980s. There are now so many choices to consider when determining the “right” way to address contamination, … more »

Understanding Soil Management Plans

Cleaning up contaminated properties can take a long time and incur great expense. In most cases, complete cleanup is not feasible and is cost prohibitive. As a result, residual contamination may remain and institutional controls, such as an environmental restrictive covenant (ERC) are applied to the property. These restrictions are used to manage risks and … more »

Does a Landfill Ever Really Close?

Do you or a friend own or operate a landfill?  Is your landfill near the end of its “Post-Closure Care” period?  If so, you are not alone. August Mack has received a number of requests from responsible parties that have one or more landfills that are approaching the end of the post-closure period (typically 30 … more »

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