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Results for "Sediment"

EPA Proposes Designating PFAS as Hazardous Substances under CERCLA

U.S. Environmental Protection Agency (EPA) announced on August 26, 2022, that it is proposing to designate two of the most common and most studied PFAS (per- and polyfluoroalkyl substances) compounds as hazardous substances under the…

Courtney Savoie, RG, LHG, PG Brownfield Redevelopment, Environmental, Petroleum, Sediment, Solid Waste and Recycling
Meet Jessica Glenn, Senior Environmental Scientist

Where are you from and where do you live now? I am originally from the coast of Maine, and I currently live in Portland, Oregon. I like to say I moved from one Portland to another, and I love them both. What do you do at MFA? I’m an…

Michael J. Pickering, RG, LG Environmental, MFA Staff and Culture, Sediment
Fieldwork Season in Full Swing at the Bunker Hill Superfund Site

For many of MFA’s geologists, environmental scientists, and chemists, summer means long days of fieldwork at the Bunker Hill Superfund Site (BHSS), conducting several different concurrent environmental investigations. The BHSS includes areas…

Alan R. Hughes, RG, LG, PG Environmental, GIS & Data Management, Health & Safety, Sediment
Turning a Blighted Property into a Community Asset

Tiger Oil was a Texas-based company with locations across the United States, including several in Yakima, Washington. This string of gas stations and accompanying mini marts ceased operations in the town in the early 2000s. One of the former…

Carolyn R. Wise, LHG, RG Brownfield Redevelopment, Environmental, Real Estate, Sediment
Environmental Cleanup on Portland’s South Waterfront Gets Leading Role in New Short Film

MFA’s award-winning remediation work for the Zidell Yards property on the Willamette River in Portland, Oregon is featured in a new film by local filmmaker, David Bee. Beginning its operation in the early 1900s, the Zidell Yards property is…

Erik Bakkom, PE Brownfield Redevelopment, Engineering, Environmental, Real Estate, Sediment
Separating the Science from the Rumors about PFAS

You may have heard of “PFAS” in a documentary or in the news recently. You also may have heard that, in the U.S., PFAS chemicals are in drinking water and in people’s blood. And you would be right to say—what!? How can this be? This…

Courtney Savoie, RG, LHG, PG Attorneys, Environmental, Health & Safety, Local and State Agencies, Planning & Community Development, Ports, Sediment, Stormwater
From Writing Textbooks to Solving Complex Problems: MFA Toxicologist Amplifies Research Training

In our daily lives we are constantly exposed to ever-changing mixtures of chemicals, and existing tools for figuring out how these chemical mixtures affect our health are not necessarily comprehensive. This is largely because they do not…

Phil Wiescher, PhD Air Quality, Health & Safety, Sediment, Stormwater
Innovative Dredging and Sediment Disposal Benefit Lower Columbia River Community

Like many small, rural communities, Cathlamet, Washington, is transitioning from dependence upon commercial fishing and timber jobs to new methods of economic development, in part relying on a healthy tourism industry to keep the town’s…

Carly Schaefer Ports, Sediment
Zidell—The Past, Present, and Future

Hats off to Zidell Marine Corporation for over 50 years of success in the barge-building industry and everything they have given to the Portland community and economy. They announced this week that they will be exiting the barge-building…

Carly Schaefer Press Releases, Sediment
MFA’s Sediment Solutions in the News

The Wahkiakum County Eagle newspaper recently published an article highlighting MFA’s work. After testing sediment the question has arisen, what to do with the material, read about the possible creative solutions MFA has collaborated with…

Steven P. Taylor, PE Environmental, Sediment
MFA’s Aquatic Adventures

Characterizing and cleaning up contamination in the aquatic environment can present significant logistical challenges. A sampling of MFA’s recent high adventure aquatic experiences includes:                               …

Erik Bakkom, PE Environmental, Sediment
Making the Case for Environmental Forensics

“Forensics” is a term that may evoke images of an awkward detective linking the dots between crime scene evidence and laboratory DNA results to solve a crime. Environmental forensics applies the same general principle of criminal forensics…

Phil Wiescher, PhD Environmental, Sediment
Incremental Sampling Methodology

Incremental Sampling Methodology is becoming a go-to approach – for responsible parties and regulators alike – for efficient and robust contaminant characterization. While the method is fairly established for soil characterization, the use of…

Phil Wiescher, PhD Environmental, Sediment
Stable Banks, Unique Conditions, Lasting Solutions

The success of a bank stabilization project hinges on the ability to explore a variety of potential solutions and identify the most effective option for any given site. MFA has seen success with many different types of projects, all with their…

Kathy J. Lombardi, PE Engineering, Local and State Agencies, Ports, Sediment
Precision Dredging Techniques Enhance Cleanup at Lake River

The benefits of precision dredging are numerous; I’ve seen them firsthand: streamlined regulatory approval, greater risk reduction, and increased water quality. MFA wrapped up a large-scale dredging project in February 2015 in Lake River,…

Carly Schaefer Environmental, Forest Products, Local and State Agencies, Ports, Sediment
Zidell Cleanup Illustrates Significance of Remediation

As mixed-used redevelopment forges ahead on the Zidell Yards property, NorthWest Ecosystem Services Ecologist Paul Fishman took a moment to reflect on the project’s myriad undertakings in the nine years since cleanup efforts got underway in…

Carly Schaefer Brownfield Redevelopment, Engineering, Environmental, Planning & Community Development, Real Estate, Sediment
In-Water Construction Begins at Sediment Cleanup

Portland, Oregon. July 8 – With federal and state permits in hand, Zidell is moving their cleanup activities into the Willamette River in the South Waterfront neighborhood of Portland, Oregon. The issuance of the Clean Water Act (CWA)…

Erik Bakkom, PE Environmental, Planning & Community Development, Sediment
NOAA Biological Opinion Supports Sediment Cleanup Designed by MFA Scientists and Engineers

Portland, OR—As noted in the Oregon Business Journal, the regional administrator of the National Oceanic and Atmospheric Administration, National Marine Fisheries Service (NOAA-Fisheries) has cleared the way for a significant cleanup and…

Erik Bakkom, PE Engineering, Environmental, Press Releases, Sediment
Knowledge from Experience: Stormwater and Sediment Conferences

Several MFA staff are presenting at conferences in February. Neil Alongi will be presenting at the Advanced Washington Stormwater Conference, February 7th at the Washington Convention Center in Seattle, Washington. His practical years of…

g-mfa Engineering, Environmental, Events, Press Releases, Sediment, Stormwater