These are blog posts

Take a Stand for Science

On Saturday April 22, I will be participating in the March for Science in Tacoma. I have been involved in Earth Day celebrations since 1993 when I helped plan our local event at Tacoma Community College. I feel blessed every day to work as a geologist in my hometown of Tacoma. It’s where I grew […]

Air Quality Modeling: Solutions Through Simulation

Air quality monitoring and regulation is critically important, especially to potential sources of air pollutants such as the chemical, mineral and energy industries. Manufacturing these basic building blocks of our modern society requires the careful monitoring and control of air pollution. Maintaining government emission standards can be challenging, and the first step is accurately measuring […]

Precipitation and Landslide Occurrence

Rain always brings an increased risk of landslides, but extremely high precipitation rates throughout the Pacific Northwest in October have geologists, engineers and owners of vulnerable infrastructure on alert for geologic hazards. October typically receives a lot of rainfall, but last month’s rates were incredibly high. October is the start of the water year in […]

Q/A With Greg Landau: APWA Oregon Focuses on Disaster Preparedness

A group of GeoEngineers staff from our Portland office, including Greg Landau, recently attended the American Public Works Association (APWA) Oregon Spring Conference 2016. We asked Greg to give his impressions on APWA Oregon and the trends and topics most on the mind of presenters and attendees this year. Q: What themes or industry trends […]

Yesterday’s Infrastructure, Tomorrow’s Technology: Thoughts from Ports 2016

I had the opportunity to present at the ASCE COPRI Ports ’16 conference earlier this week in New Orleans, Louisiana. I was presenting a paper on some work we did in the Port of Tacoma for a pier upgrade. “Existing Pile Foundation Evaluation for Pier Upgrade” was the official title, the sub-title would have been […]

Fingers in the Dam: Managing Risk in a Crumbling Dam Network

The United States relies on a vast network of dams to power our homes, fill our tubs, and protect our communities from flooding. Many of these dams were built during the infrastructure boom of the ‘50s and ‘60s, or even earlier, and are now in desperate need of modernization or replacement. It’s been estimated that, […]

New USACE Permitting Standards for Boring Near Federally Regulated Levees

If you have a project that will require drilling in earth embankment dams and levees, you may now face an additional layer of approval. In an effort to improve public safety and reduce potential risks to dam and levee systems, the United States Army Corps of Engineers (USACE) revised the permitting process in January 2015. Here’s […]

Washout: Roads at Risk During Storm Events

Between March 8 and March 10, 2016 a large storm slowly made its way across North Louisiana. As this massive storm inched eastward, it dropped between 17 and 26 inches of rain on northern Louisiana. Such a large volume of rain caused significant and rapid swelling of the existing bayous, streams and rivers, which backed […]

Risky Air: The Threat of Chemical Vapor Intrusion

Soil and groundwater contaminated with volatile chemicals, such as fuels and cleaning solvents, can threaten the health of people in homes or other buildings above or near the contamination. Typical sources of volatile chemicals include gas stations, dry cleaners, underground storage tanks and other industrial sources. These forms of contamination bring many problems, but when […]

Sinkholes a Threat after Heavy Rains

In the wake of recent rain events and flooding throughout Missouri, it’s important to think about the increased risk of sinkholes and other hazards following storms. Karst systems, which form within soluble rocks like limestone, are especially affected by sudden significant rainfall. If you live or own property in a karst region, you should be […]

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