In the environmental industry the Permeable Reactive Barrier, or PRB, is a well known technology/strategy when dealing property boundary management and off-Site liability risk for mobile groundwater impacts.  In fact, Vertex has already written about these technologies a few times

The following case study is a good example of how a Pump & Treat system was used to enhance the natural hydraulic gradients at a site to effectively pull chemical oxidants across an otherwise inaccessible area and facilitate the destruction

The site was formerly operated as a steel manufacturing facility that included historic degreasing operations and chemical storage. Environmental investigations identified the presence of chlorinated solvents, including trichloroethylene (TCE), dichloroethylene (DCE) isomers, and vinyl chloride (VC), in groundwater located in

Vertex was contracted to design, supply and operate a filtration system to treat petroleum hydrocarbon (PHC) impacted groundwater. The project objective was to lower the static water table to facilitate the excavation of PHC-impacted soils, followed by construction of a

An active rail yard located in Edmonton, Alberta had been operating for years (and continues) prior to an intrusive environmental investigation being completed. After multiple rounds of traditional site investigations, significant data gaps remained in the vertical and horizontal delineation

An old rail storage yard located in Bonnyville, Alberta was operating for years prior to a laser induced fluorescence (LIF) investigation being completed. After traditional site investigations, light non-aqueous phase liquid (LNAPL) was discovered in in several monitoring wells. After

Location: Industrial in Greater Toronto Area Contaminant: Chlorinated ethenes and ethanes Concentration: Dissolved phase groundwater impacts (up to 1,000 ug/L) Formation Type: 3.0 m thick layer of saturated silty sands, above limestone bedrock Historic industrial activities resulted in two separate

An historic depot located in Northern Ontario was used for transferring chemicals from bulk storage to trucks for distribution. An extensive monitoring well installation and vapour probe survey was completed. Downgradient groundwater monitoring wells with significant concentrations of chlorinated solvents

An historic landfill located in Southern Ontario was used for disposing of everything from household waste to industrial waste chemicals from bulk storage facilities. An extensive monitoring well installation and barrier wall was completed in previous years at the Site.

A historical leaking UST resulted in contamination to soil and groundwater inside a remote National Park. A Risk Assessment identified concerns over benzene concentrations for a planned building expansion. Excavation was ruled out due to the depth of the impacts

A historic leak from a UST released over 19,000 L of gasoline directly into the subsurface over a five year period. Extensive borehole drilling and monitoring well installations were completed. A downgradient area of high PHC concentrations was discovered extending

Historic releases over many years caused significant vertical migration of PCE into soil and ground water. Major challenge encountered: impacts greater than 6 mbgs in silty clay till beneath occupied building.

At a trailer park in Eastern Ontario, two tanks released heating oil into the underlying unconsolidated and fractured rock. Though much of the affected overburden was excavated, a petroleum hydrocarbon plume and associated free phase remained in the fractured bedrock,

Historical leaks from a series of underground tanks and pipes were indentified at a former fuel dispensing facility in Toronto. The leakage had created an underground plume over an area of approximately 1,000m2. Excavation was deemed to be technically challenging

A spill near a residential area in Quebec released petroleum hydrocarbons into the underlying groundwater and soil. The accident posed a risk to nearby wells, endangering the local water supply. PHC contaminants included: Benzene, Toluene, Xylene

Near a residential area in Quebec, an accidental release of petroleum hydrocarbons from a spill into the underlying groundwater and soil posed a risk to nearby water supply wells. Groundwater concentrations for selected PHCs included: Benzene (maximum concentration of 146

At an industrial site in New Jersey, historical leakage from a UST released petroleum hydrocarbons into the underlying groundwater and soil creating a health and ecology risk to overlying and down gradient receptors. Soil concentrations of PHCs included: BTEX (maximum

At a remote residence, petroleum hydrocarbons leaked from a UST into the underlying groundwater and soil creating a health and ecology risk to the residents and local environment. Soil concentrations of PHCs included: BTEX (maximum concentration of 152 μg/g) F1

At an operating manufacturing facility, free phase petroleum hydrocarbons were discovered underneath the facility. Soil concentrations of PHCs included: BTEX (maximum concentration of 5 μg/g ) F1 & F2 (maximum concentration of 4,920 μg/g ) F3 & F4 (maximum concentration of 44,000

At a rural residence, petroleum hydrocarbons leaked from a heating oil storage tank into the underlying groundwater, rock and soil. The release created potential health and ecological risks for the residents and local environment. Soil concentrations included: PHC (maximum concentration of

Vertex was retained to remediate a former gas station now developed as a commercial mall. Excavation was not an option due to the depth of the free phase and plume as well as the utilities and infrastructure on site. Groundwater

Vertex Environmental Inc. staff have designed, constructed and operated a series of pneumatic skimmer skimmers for the removal of free phase petroleum hydrocarbons including naptha, gasoline, diesel, fuel oils and crude oil. Geologic environments in which Vertex has installed skimmer

At a trailer park in Eastern Ontario, two heating oil tanks released heating oil into the underlying unconsolidated and fractured media. Following excavation of the unconsolidated material, an in-situ chemical oxidation program was completed to address the petroleum hydrocarbon plume

Vertex staff were retained to remediate a former fuel storage facility that was impacted by free product petroleum hydrocarbons. The hydrocarbons had a specific gravity less than water (i.e. LNAPL) and was characterized as being a mixture of diesel and

At a former fuel dispensing facility in Toronto, historical leaks from a series of underground storage tanks and pipes resulted in the development of a groundwater plume over an area of approximately 1,000 m . Excavation was deemed to be

Vertex Environmental Inc. specializes in the design, implementation and optimization of remedial systems including multi-phase extraction (MPE) systems. Vertex staff designed, permitted, optimized and operated a MPE system in the Greater Vancouver Area for the containment and extraction of petroleum

Vertex Environmental Inc. specializes in the design, implementation and optimization of remedial systems including multi-phase extraction (MPE) systems. Vertex staff designed, permitted, optimized and operated a MPE system in the Kitchener-Waterloo area for the containment and extraction of petroleum hydrocarbon-impacted

Vertex staff were retained to remediate a former fuel transfer facility that was impacted by free product petroleum hydrocarbons. The hydrocarbons had a specific gravity less than water (i.e. LNAPL) and was characterized as being a weathered gasoline product with

Vertex has designed, constructed and operated a variety of systems to effectively treat the fuel additive Methyl tertiary-butyl ether (MTBE). MTBE is an oxygenate which was added to gasoline in the 1990s to replace lead as an octane enhancer. It

Vertex Environmental Inc. staff have designed, constructed and operated a variety of systems to treat the fuel additive methyl tertiary-butyl ether (MTBE). MTBE is an oxygenate which was added to gasoline in the 1990s to replace lead as an octane

Vertex Environmental Inc. staff conducted a remedial program for groundwater impacted by pentachlorophenol (PCP) and copper, chromium and arsenic (CCA) at a site in central Canada. Historical use of the wood treatment compounds including PCP and CCA resulted in groundwater

Vertex Environmental Inc. staff completed a remedial program for groundwater and soil impacted by pentachlorophenol (PCP) at a site in western Canada. Historical use of the biocide PCP at a wood preservation facility resulted in soil and groundwater impacts. The

Vertex Environmental Inc. staff have designed, constructed and operated a variety of systems to treat polycyclic aromatic hydrocarbons (PAHs) within soil and groundwater. PAHs tend to be persistent within the subsurface resistent to biological treatment. Some PAHs such as benzo[a]pyrene

As part of a real estate transaction, a Vertex client was committed to restoring a heavy metal plume to below applicable standards. The heavy metals of concern included Copper, Cobalt and Nickel.

As part of a real estate transaction, our client was committed to restoration a heavy metal plume to below the applicable Standards. The heavy metals of concern included: Copper (maximum concentration of 86 μg/L) Cobalt (maximum concentration of 210 μg/L)

Vertex Environmental Inc. staff designed, constructed and maintained permeable reactive barrier (PRB) for the in-situ, passive treatment of a chromium (Cr) groundwater plume. The chromium plume represented an immediate risk to the surrounding environment as the groundwater was discharging to

Vertex Environmental Inc. specializes in the design, implementation and optimization of remedial systems including multi-phase extraction (MPE) systems. Vertex staff designed, permitted, optimized and operated a MPE system in the Woodstock area for the containment and extraction of a mixed chlorinated solvent/petroleum hydrocarbon-impacted

As part of a real estate transaction, our client was required to remediate groundwater impacted with the chlorinated ethanes 1,1,1-Trichloroethane and 1,1-Dichloroethane.

As part of a real estate transaction, our client was committed to remediating chlorinated ethane impacts within the groundwater to below the applicable Standards. The concentrations of the compounds of concern were: 1,1,1-TCA (maximum concentration of 11,000 μg/L) 1,1-DCA (maximum concentration

Vertex Environmental Inc. staff have designed, constructed and operated numerous soil vapour extraction (SVE) systems for the treatment of a variety of volatile compounds of concern.

Vertex staff designed, permitted, optimized and operated a MPE system in the Woodstock area for the containment and extraction of a mixed chlorinated solvent/petroleum hydrocarbon-impacted plume.

Vertex Environmental Inc. specializes in the design, implementation and optimization of remedial systems including multi-phase extraction (MPE) systems.

Vertex Environmental Inc. specializes in the design, implementation and optimization of remedial systems including multi-phase extraction (MPE) systems.

Groundwater impacted with chlorinated ethenes were flowing onto the Site at concentrations
greater than the applicable Standards.

Groundwater impacted with chlorinated ethenes was flowing from a dry cleaning facility atconcentrations greater than the applicable Standards.

As part of a real estate transaction, a Vertex client was committed to treat a chlorinated ethane plume to below applicable Standards. Ethenes of concern included: TCE cis-1, 2-DCE Vinyl chloride

As part of a real estate transaction, our client was committed to treat a chlorinated ethene plume to
below the applicable Standards.

Groundwater impacted with chlorinated ethenes were flowing from this dry cleaning facility at
concentrations greater than the applicable Standards.

At an operating dry cleaning facility in Ottawa chlorinated ethenes including PCE were discovered underneath and downgradient of the facility.