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Vapor Pin and Soil Gas Well Sampling

August 3, 2022

Due to the volatile nature of solvent and petroleum-related contaminants, the volatilization to indoor air pathway (VIAP) is often relevant during an environmental investigation at a manufacturing facility, dry cleaner, or gas station. The concern is that vapors, which off-gas from a contaminant body, will seep into a building and create unsafe conditions for the

Envirologic’s Summer Newsletter

July 22, 2022

Welcome to Envirologic’s Summer Newsletter, packed with interesting and educational articles and updates sure to satisfy your need for knowledge, information about our team and overviews of our exciting projects. When Jeff Hawkins, our founder and CEO, decided to name this company Envirologic, he hoped the name would convey how he wanted to utilize a

Brownfields to Breweries

July 8, 2022

The craft beer movement launched in the late 1980s and early 1990s as homebrewing became more mainstream. The industry continues to experience a nationwide surge in popularity, and Michigan breweries are no exception. Today, Michigan ranks fourth in the U.S. for total number of breweries (400); as a reference point, New York ranks first with

A Logical Approach to Environmental Consulting

July 5, 2022

Envirologic was founded by our CEO, Jeff Hawkins, in 1989. At the time, Jeff was 28 years old with five years working in the environmental consulting industry under his belt. He had no experience running a company — only a passion for his craft and the desire to do right by his customers. When deciding

Supporting the Nationwide Expansion of Michigan Companies

June 28, 2022

Southwest Michigan has been an integral part of Envirologic’s success throughout the 33 years we’ve been in business. It’s not just that our office is headquartered in the vibrant city of Kalamazoo — we are deeply rooted in these communities through our memberships with local organizations and sponsorships of public events and initiatives. Many of

Our New Website is LIVE!

June 23, 2022

We are excited to announce the launch of our new website. The primary purpose for redesigning the site is to provide our clients with improved access to the information they expect from our team of professionals. Additionally, we’ve enhanced and improved many of the webpages our clients visit most often, including our project examples, services,

Evaluating the GSI Pathway

June 16, 2022

When a contaminated site is located near a surface water body, there is a risk of contaminants in groundwater migrating into a lake or stream. If this is a potential route of conveyance, the Groundwater Surface Water Interface (GSI) pathway is taken into consideration during an exposure pathway evaluation. Since contaminant concentrations in groundwater do

When Should the Incremental Sampling Method be Used?

June 8, 2022

Common practice for soil sampling is to collect a discrete sample (soil from a known location and depth) from a few points and compare the analytical data to exposure criteria. In particular situations, discrete sampling is biased and not reproducible. For instance, if a soil sample is analyzed for arsenic and the aliquot of soil

Proud To Be a Small Business

May 31, 2022

The Small Business Association of Michigan (SBAM) recognizes Envirologic as a “Certified Small Business.” This designation is awarded to small businesses across the state that have fewer than 500 employees, have an annual gross revenue equal to or less than $25,000,000, and are headquartered in Michigan. According to SBAM, a small business certification “offers credibility and opens up

Defining a NAPL Body

May 24, 2022

During an environmental investigation, contaminant exposure risk is evaluated through several pathways. These exposure pathways include: drinking water, direct contact, groundwater/surface water interface (GSI), and particulate or vapor inhalation. A conceptual site model (CSM), which is used to visualize the various exposure pathways that are applicable to a facility, is constructed through site characterization via

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