Dec 16, 2022
On-site laboratory testing is a practical and proven approach to directing site work and screening sample results during field activities. Using Triad strategies recommended by the US EPA, technologists process a high volume of soil samples, screening based on individual site characteristics, and provides quality screening data within minutes. On-Site testing of soil or groundwater...
Sep 14, 2021
When developing a conceptual site model (CSM), the focus moves from the initial review of background information to the identification of potential contaminants of concern. Investigation into the site’s historical background should identify past site owners and operators, which would identify contaminants likely to be present at the site. For example, if past operations on...
Aug 26, 2021
When completing a Phase II Environmental Site Assessment (ESA), proper site characterization is essential to the investigation. It is important to gain a clear understanding of site conditions in order for the Qualified Person (QP) to give an accurate report at the conclusion of the ESA. On-site screening is one strategy that strengthens the...
Aug 26, 2021
On remote sites, like those in Canada’s Far North, the cost of traditional remediation can be astronomical. Because these sites are often beyond the access of landfills, soil transport and disposal can make traditional “dig-and-dump” remediation too expensive to pursue. For this reason, AEL believes that remote sites are often ideal locations for choosing alternative...
Aug 26, 2021
Not every remedial approach will work on every site. Certainly not every remedial approach is ideally suited for every site. AEL takes a careful approach to evaluating and selecting remedial strategies that are matched to the client’s specific goals for the site. When a Phase II ESA finds impacts above the allowable limit on a...
Aug 25, 2021
The Triad approach is a set of three strategies, supported by the US EPA, which is widely recognized as the proven modern standard for characterizing and remediating impacted sites. While Canadian regulation does not specifically rely on the Triad approach (although it may introduce similar regulation at some point), Canadian best practices do favour the...
Aug 25, 2021
As an environmental consulting team, AEL understands that even the best laid plans may need to change during a site investigation. Recently, we began investigating a site near Toronto and found evidence of a buried tank that had not been evident in the Phase I ESA. The team had to change the areas of focus,...
Aug 25, 2021
When accurate real time screening results are collected during an environmental site investigation or remediation, the team gains an invaluable tool for directing field work. The use of on-site testing ensures that adequate information is collected in order to make confident decisions about site conditions and next steps. On-site soil testing tools such as ultraviolet...
Aug 25, 2021
Recently, AEL’s team completed a soil vapour study at a site in Toronto, Ontario. Check out some highlights from the day. A soil vapour study involves an analyses of any volatile compounds being released by the soil, which can be indicative of contamination. Briefing the team on an early Saturday morning- the work had to...
Aug 25, 2021
AEL environment is routinely tasked with finding clean fill for our existing projects. Since 2021, standards developed by the Ministry of the Environment, Conservation and Parks (MECP) in Ontario (O.Reg. 406/19) require soil transferred from one site to another to meet the receiving Site standards to be considered acceptable “clean” fill. In May 2015, AEL...
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