What exactly are PRBs again? A Permeable Reactive Barrier, or PRB, is an engineered zone installed below ground to remediate contaminated groundwater plumes. The “Permeable” part refers to the fact that they allow groundwater to flow through unimpeded.
Confessions of a Remediation Contractor
by Kevin French Shortly after I switched careers and joined Vertex Environmental, I wrote a blog called “Confessions of a Former Environmental Consultant” to provide some of my reasoning behind the change in course. It’s now nine years on. I’m
It’s Patio Season for Soil Microbes Too!
They’re just waiting for the table to be properly set The start of summer means sunshine and warm weather, drinks on the patio, and some tasty morsels to share with friends and family. But what if you got to the
Tech Tip: Free Advice
Photo credit: Paramount Pictures We’ve all heard the expression that “there’s no such thing as a free lunch” and also that “free advice is usually worth what you paid for it”. While mostly true, those statements are not always
Bruce has Winning Vision!
The Canadian Brownfields Network (CBN) has been presenting the HUB (Heroes Underpinning Brownfields) Awards since 2016. They’re given to recognize brownfielders who are making a significant contribution to the progress of brownfield redevelopment in Canada. There are three awards, each
Keeping Ahead of the Flood with Construction Dewatering
Many people are surprised to learn that there is essentially a massive “swimming pool” beneath their feet. Start digging a hole and, depending on where you are, water will start to percolate in once you get below the first couple
Daniel Brenner, B.Eng., P.Eng. has joined our team!
Dan is a Project Manager in our In-Situ Remediation Division and comes to us from environmental consulting where he has experience in environmental site assessment, investigation and delineation projects, advanced site characterization (High Resolution Site Characterization), excess soil management, and
A Winning Vision & Dewatering Woes
Bruce has Winning Vision! The Canadian Brownfields Network (CBN) has been presenting the HUB (Heroes Underpinning Brownfields) Awards since 2016. They’re given to recognize brownfielders who are making a significant contribution to the progress of brownfield redevelopment in Canada.
Overcoming Bedrock Remediation Challenges
“Rock Solid” Usually Isn’t and that Used to be a Real Challenge for Site Remediation Site remediation work often focuses on contamination present in soil and/or overburden groundwater. In-situ remediation of these media is relatively straight-forward using a variety of
Brute Force: Soil Mixing to Maximize Reagent Loading and Distribution
Finesse has its place but sometimes there is no alternative to brute force! In-situ remediation can occasionally have limitations relating to mass loading and subsurface heterogeneities. These can usually be overcome with creative remedial designs that combine phasing and discrete injection intervals. However,