Expertise. Innovation. Commitment.


Environmental Site Closure

We take away the guesswork for clients with site investigation, delineation, remediation, and closure services.


We employe a dedicated team of environmental and safety professionals to help alleviate the worry of meeting EHS compliance for our clients.

Environmental Due Diligence

We are committed to providing quality, responsive environmental due diligence services.

Building Science

We work with commercial and industrial clients to ensure their property and building-related environmental and safety concerns are addressed.


We’ve developed a Compliance Assurance Program (eCAP® ) that transforms the way companies maintain regulatory compliance.


August Mack is a nationally recognized, award-winning, environmental consulting firm with eight offices in seven states. We provide due diligence and building science services, regulatory compliance services, and subsurface investigation and remediation services to a wide range of clients.


August Mack employs numerous experienced engineers, geologists, environmental scientists, chemists, and industrial hygienists.


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 »

Phase I Portfolio for Renewable Energy Developer

August Mack was retained to develop an environmental due diligence program for a national developer of renewable energy at multiple sites in the state of New York. In most multi-site portfolios, all sites are bundled under the same contract, allowing the client to realize cost-savings by combining multiple site inspections with limited mobilizations. The challenge … more »


Current Issues with Historical Oil/Gas Wells

Sep 30, 2020 @ 3:00PM

Did your environmental due diligence uncover historical oil/gas exploration or production on the property? Maybe an oil well was retired and plugged in the 1980s, or maybe a seemingly innocuous “dry hole” was abandoned in 1994. Why should you care about a mud pit or a “salt water” spill that was documented in a property’s … more »

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35th Annual Environment, Energy, and Resources Law Institute

Oct 5, 2020 @ 8:00AM

August Mack will be exhibiting at the OSBA’s 35th Annual Environment, Energy, and Resources Law Institute in Lewis Center, OH – October 5-6, 2020.

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Expediting Site Closure Using Institutional Controls

Oct 7, 2020 @ 3:00PM

Intuitional Controls (ICs) are property or governmental controls that are used to manage risks and/or control potentially complete exposure pathways. Obtaining Site Closure through regulatory agencies doesn’t necessarily mean complete clean up to non-detect levels. As complete cleanup would be impracticable due to cost and timing limitations, using ICs is one tool that may be … more »

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