Field Notes
Air Quality Modeling: Solutions Through Simulation
By Joseph Stolle, PE – Mar 2, 2017
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....

Precipitation and Landslide Occurrence
By Craig F. Erdman, LG, CEG, PG – Nov 10, 2016
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...

Change Is In The Air: New toxic air regulations coming to Oregon
By Ken Fellows, PE – Aug 16, 2016
Recent high-profile environmental scares like the lead groundwater contamination in Flint, Michigan demonstrate the importance of monitoring and preventing these dangers. Everyone wants and expects to be safe from exposure to environmental contaminants in their homes and neighborhoods. Air quality...

The Long-Term Value of Geotechnical Reports
By Ivy Harmon, PE – Aug 11, 2016
What is the value of a geotechnical investigation? Yes, our reports will provide bearing capacities for the structural design, soil settlement information for maintenance, and slope stability details. Perhaps you need deep foundations, a soil-nail wall or pavement design. These pieces of...

Killer Plastic: The Hidden Threat Destroying our Oceans
By Ken Fellows, PE – Aug 1, 2016
The health of our ocean ecosystems plays a vital role in the overall health of the planet and the human species. Right now, a silent threat is looming off our shores, out of sight and out of mind. Plastic debris is accumulating in our oceans in unprecedented amounts, killing wildlife and setting...