Background CL-Out® bioaugmentation was used to remediate ground water contaminated by 1,1,1-trichloroethane (1,1,1-TCA) and 1,1-dichloroethene (1,1-DCE). The 1,1-DCE was formed as a product of the natural abiotic degradation of 1,1,1-TCA. The bioremediation was implemented as a pilot study and a subsequent interim action for source removal. Remediation Approach and Results CL-Out® was introduced into the […]
Site Summary A CL-Out bioaugmentation pilot study verified the applicability of CL-Out remediation of an industrial dry cleaning site. The pilot study also determined whether the availability of oxygen to support cometabolism would limit the bioremediations. Geology and Hydrology Although the impacted ground water was relatively shallow, the site geology was complicated and varied across […]
Compatable Techology To Finish Remediation CL-Out® micorbes bioremediation of chlorobenzene continued treatment after ISCO remediation stalled. The target isomers included chlorobenzene, 1,3-dichlorobenzene, 1,4-dichlorobenzene, and 1,2-dichlorobenzene. Before bioaugmentation, individual concentrations exceeded 50,000 µg/L. The CL-Out® treatment quickly reduced contaminant concentrations by as much as 82% more. Remediation Approach and Results Injection through temporary well points introduced […]
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