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.


Practical Facility Management of Hazardous Chemicals

Proper management of hazardous chemicals is often overlooked by team members using a chemical while management assumes proper information of hazards was communicated.  Agency requirements for handling storing and reporting are an additional complication because it is not always known which agency requirements apply.  Environmental requirements depend on the regulating program including Superfund Amendment and … more »

Understanding the Changes To AP-42 Storage Tank Emissions and How It Affects Your Facility

The United States Environmental Protection Agency (US EPA) finalized its revisions to emissions calculations methods used for organic liquid storage tanks found in AP-42 Chapter 7, Section 7.1 in November 2019. These methods were developed by the American Petroleum Institute (API) for fixed and floating roof tanks. The revisions addressed several previously noted deficiencies in … more »


ESG and Me – The Growing Reach of Environmental, Social and Governance Reporting

Oct 28, 2020 @ 12:00PM

Presented by Chris Abel (August Mack), Chuck Wehland (Jones Day), and Natalie Burkart (Allstate). More and more stakeholders are demanding information on the Environmental, Social and Governance (ESG) characteristics of businesses. This includes a concern for corporate culture, sustainability and other ecological and social impacts of an investment decision that go beyond the simple profitability … more »

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Understanding the Changes to AP-42 Storage Tank Emissions and How It Affects Your Facility

Nov 4, 2020 @ 3:00PM

Now that the US EPA has finalized it revisions to the storage tank emissions calculations in AP-42 Chapter 7.1, many agencies, including the Ohio EPA, are no longer accepting permit applications containing TANKS 4.09d emissions estimates. What options do you have and how do these changes affect your facility?

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Practical Facility Management of Hazardous Chemicals

Nov 18, 2020 @ 3:00PM

Proper management of hazardous chemicals is often overlooked by team members using a hazardous chemical while management assumes proper communication of hazards is communicated. Chemical hazards are usually practically grouped into two understandable categories: Hazardous chemicals that have been used for years with the hazards sometimes taken for granted because of the common use without … more »

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