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HazMat & Remediation


Treatment options for PFAS contaminated groundwater

Per- and polyfluoroalkyl substances (PFAS) are a class of chemical compounds that have been used in the manufacturing of a wide variety of consumer products since the 1940s. Due to growing public awareness and an evolving political climate, widespread changes to government regulations and enforcement are imminent.

Denmark exhumes culled COVID mink due to groundwater contamination fear

After the Danish government culled and buried some four million farmed mink in late 2020 due to a COVID-19 mutation, officials have begun to...

Understanding the testing requirements under Ontario’s new excess soil regulation

The premise of Ontario’s Regulation 406/19 is that soil is a precious and limited resource and, as with any limited resource, excess soil generated from construction and earthmoving projects needs to be properly managed.

Energy companies fined $1.5M for chlorinated water leak that entered North Saskatchewan River

An Alberta energy partnership faces a $1.5-million fine some seven years after chlorinated water leaked for three days from one of its fire suppression...
loaded tanker truck

Catching spills before they hit the ground will cut costs

The unintended underground of crisscrossed avenues provides an effective avenue for any seepage that “came down the crack” on the concrete slab. Releases of solvents and chemicals “eat away” at these between-slab expansion joints. As such, an annual inspection and recaulking may be a good investment.

Calgary oil company battles Christmas Day pipeline spill

Calgary-based oil and gas producer ARC Resources Ltd. experienced a Christmas Day spill of about 400,000 litres of produced water from an oilfield pipeline...
vapour barrier installation

Improving vapour barriers and installation practices allows safer development

Over time, best practices have been developed into standard operating procedures to ensure that contaminant vapour barriers will function as intended over their service life. A vapour barrier installation best practice program involves properly training installers on the latest best practices for installation and validating a barrier’s proper installation through QA/QC testing.

Eco-groups call for new monitoring of creek contamination from former B.C. mine

Community eco-action groups in British Columbia are calling on the province to increase its monitoring of mining metals and compounds that a new report...
landfills synthetic clay liners

low-energy extraction wells for removing contaminant plumes originating from lined landfills

In some low hydraulic conductivity settings, using one or more low-capacity wells could be advantageous, by decreasing the chance of excessive drawdown associated with higher capacity wells.
Results of LNAPL mobility testing

How natural processes are changing the way we manage petroleum contamination

Most of the petroleum non-aqueous phase liquid at the majority of contaminated sites is expected to exist in residual form that remains largely unrecoverable via conventional remediation techniques.

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