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HazMat & Remediation

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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.
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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.
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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.
Brick mortar

Careful planning required to deal with asbestos during facade renovations

By Hassan Ktaech While even the most experienced commercial construction and renovation companies may be well versed in how to remove asbestos safely from walls,...
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Ontario’s new regulation on excess soil highlights new in-demand skills

Ontario’s new excess soil regulation points to skills that will be in demand in the future. With the increased density of cities and the popularity of high-rise living, there has been a growing volume of excavated soil.
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Two Quebec companies fined for environmental violations

Following guilty pleas, two Quebec companies are facing fines for violations of federal environmental rules.  Seleine Mines, a division of K+S Windsor Salt Ltd., is...
Passive soil-gas TCE concentrations

Environmental forensic tools help answer legal, groundwater contamination problems

Recent court decisions have interpreted regulatory liability for contaminated lands in ways that expand the liability of polluters and, in some instances, innocent owners of contaminated sites.

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