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  XCG Consultants Ltd.
T.519-741-5774
F.519-741-5627
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Woodstock Mall Remedial System
Start Date: 1/1/2001
End Date: 1/1/2002
Location: Woodstock Mall, Ontario
Project Scale: Active or Inprogress.
Media Treated: Soil, Liquid.
Clean up of Site Involved: Treatment, Monitoring.
Site Condition: Impacted soil and groundwater situated underneath an active commercial mall. Contamination by volantile organic compounds (VOCs):
  • BTEX
  • Vinyl choride
  • 1,1 DCE
  • 1,1 DCA
  • MEK
  • 1,1,1 TCA
  • 1,2 and 1,4 dichlorobenzene and chlorobnezene
  • Petroleum hydrocarbon compounds
Proposed Site Usage: Continued use.
Reasons for Success: Replacement of the active system which resulted in a reduced cleanup time and a reduction in operational and manintenance costs of $ 200,000.
Regulatory Approvals Required: MOE Table 2 Standards
Exceedance of Set Standards: n/a
Technologies Used:
 Passive in-situ remedial program using a combination of traditional monitoring devices and direct push technology as well as MLT tubing.
Description:
 Evalutation and optimization of a remedial system designed to remediate soil and groundwater impacted by volatile organic compounds.
An organic carbon-based matrix was used to stimulate indigenous bacteria to create geochemical conditions that favored the destruction of the chlorinated compounds. The petroleum hydrocarbons were attenuated through co-metabolic reactions.


Emissions/Byproducts: n/a
Source of Information: XCG Consultants
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