Aging USTs: An Expensive Problem

by Jaycob Davies Underground storage tanks (USTs) are used across the country to store petroleum and other hazardous substances. USTs have been in use since the early 1900s and come in many forms and sizes. Due to the nature of the substances being stored within these tanks, a UST does…

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LEEDing the Way to 100% Renewable Energy

Clean Energy

by Jessica Babb In April 2022, the State of California power grid (California Independent System Operator – a provider of about 80% of the state’s energy) achieved 100% renewable energy supply for approximately an hour. Solar power was the leading supplier of this renewable energy. However, other renewable energy sources…

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Geotechnical Testimonials

Exceptional Firm “The Riley Group, Inc., is an exceptional firm to work with. As a Civil Engineer, I work directly with geotechnical engineers on every project. I have found RGI to be one of the top firms to work with for their level of professionalism, project delivery/turnaround, and overall flexibility…

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Environmental Testimonials

Cost Saving and Practical Solutions “I’ve worked with The Riley Group, Inc., for 20 plus years and I have always found them to be responsive and prompt, to listen well and approach all assignments in a collaborative way, and especially to be creative in finding solutions that literally have saved…

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Hydrogeology Testimonials

Good and Fair Pricing “I was referred by a Civil Engineer, with a host of other firms to choose from and happened to choose the closest infiltration test company near me. One of the better decisions I’ve made. David Baumgarten and his team have been very exceptional in providing the…

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PFAS in the Pacific Northwest

by Lilly Burnett – 2021 RGI Geotechnical Intern Although first introduced to the United States in the 1940’s, Poly- and Perfluoroalkyl Substances (PFAS) were not discovered to be harmful until the 2000’s. Because they are used in a wide variety of products and don’t break down over time, they build…

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Free Bottled Water! – Sponsored by Ecology?

by Tait Russell Continuing our previous blog discussions regarding area-wide contamination, this blog will cover the Yakima Railroad Area (YRRA) where industrial activities have caused wide-spread groundwater contamination. The YRRA is approximately six square miles, including parts of Yakima and Union Gap which are contaminated with perchloroethylene (PCE). PCE is…

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Tacoma Smelter Plume Solutions

by Tait Russell Industrial activities can cause contamination to huge swaths of land and water. Contaminants from industrial sites can travel through the soil, surface water, groundwater, and air, migrating far from their source. RGI is aware of several commercial sites in Washington that are responsible for area-wide contamination. However,…

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