Case Studies

KB-1® Bioaugmentation at a Toronto Area Dry Cleaner Site

Project Highlights Effective bioremediation achieved in low permeability soils at a retail dry cleaner in the Greater Toronto Area (GTA). cDCE stall corrected within 8 months of bioaugmentation, with no vinyl chloride accumulation. [...]

KB-1® Bioaugmentation at a Toronto Area Dry Cleaner Site 2018-03-13T10:03:33+00:00

Site Closure using Combined Remedies including KB-1® Bioaugmentation

Injection of KB-1® directly into injection well from stainless steel vessel Project Highlights Bioremediation following steam injection decreased TCE concentrations to less than 2 µg/L in all source area wells Biobarrier [...]

Site Closure using Combined Remedies including KB-1® Bioaugmentation 2018-03-13T10:03:33+00:00

Full Scale KB-1® Biobarrier for TCE Plume Containment

Project Highlights Implementation of a 1,250 foot wide KB-1® bioaugmented barrier Treatment of VOCs under high groundwater velocity conditions Conversion of high TCE concentrations to non-toxic ethene Summary Client: Tetra Tech, Ann Arbor, [...]

Full Scale KB-1® Biobarrier for TCE Plume Containment 2018-03-13T10:03:35+00:00

Full Scale KB-1® Bioaugmentation for TCE DNAPL Source Area Treatment

Project Highlights DNAPL-associated TCE concentrations decreased below federal MCLs within 6 months 98% of estimated TCE mass was removed within 6 months Enhanced TCE DNAPL dissolution observed Summary Client: Maul Foster & Alongi, [...]

Full Scale KB-1® Bioaugmentation for TCE DNAPL Source Area Treatment 2018-03-13T10:03:35+00:00

1,1,1-TCA/TCE Remediation Using KB-1® Plus

Project Highlights Effective bioremediation of a comingled 1,1,1-TCA/TCE plume All chlorinated VOCs were below or near ROD specified limits within 18 months KB-1® Plus and electron donor applied in a single mobilization into [...]

1,1,1-TCA/TCE Remediation Using KB-1® Plus 2018-03-13T10:03:35+00:00

Regulatory Closure at TCE/Hexavalent Chromium Site

Project Highlights Hexavalent chromium (co-treated with TCE) to below detection limits within 1 year Regulatory closure achieved within 3 years of bioaugmentation Summary Client: COWI A/S Site Location: Svendborg, Denmark Projet Duration: 2004-2007 [...]

Regulatory Closure at TCE/Hexavalent Chromium Site 2018-03-13T10:03:35+00:00