Recent News
 Full Scale Application of KB-1® Plus
Follows Successful Pilot Test: KB-1® Plus is
a mixed anaerobic microbial consortia capable of dechlorinating high
concentrations of 1,1,1-trichloroethane (1,1,1-TCA) and chlorinated
ethenes. Like KB-1®, KB-1® Plus contains Dehalococcoides,
the organisms that detoxify chlorinated ethenes. KB-1® Plus also
contains Dehalobacter, a microbial group known to dechlorinate
1,1,1-TCA. The first full-scale field application of KB-1® Plus
was performed in late 2006 at an industrial site in Kansas, managed
by CRB Geological & Environmental Services Inc. This full-scale
application followed a successful pilot test, initiated earlier in
2006, that demonstrated substantial reductions in concentrations of
1,1,1-TCA and vinyl chloride after KB-1® Plus bioaugmentation.
KB-1® Plus.pdf
- KB-1® Genome
to be Sequenced: The genome of KB-1® will be sequenced as
part of an ongoing effort to characterize biodegradative organisms and
mixed dechlorinating cultures. The
sequencing will be performed by the DOE Joint Genome Institute and
will be overseen by Professor Elizabeth Edwards at the University of
Toronto. For more information see http://www.jgi.doe.gov/sequencing/why/CSP2007/dechlorinating.html.
Potential benefits of genome sequencing include, the discovery of novel
dechlorinating genes, a better understanding specific dechlorinating
capabilities and novel molecular targets for monitoring microbial populations.
- Collaborative Team Including SiREM Receives SERDP Grant for
Optimization of Molecular Genetic Sampling and Analysis Protocols: A
collaborative team including, Naval Facilities Engineering Service Center,
the US EPA, Georgia Institute of Technology, University of Toronto, Geosyntec
Consultants and SiREM, is pleased to announce the award of a US Department
of Defense Strategic Environmental Research and Development Program (SERDP)
grant (SERDP Project # 1561 http://www.serdp.org ).
The scope of this three-year project (2007-2009) includes the production
of standardized protocols and calibrated reference standards for quantitative
molecular analysis of Dehalococcoides in groundwater/sediment.
The research will evaluate the variation inherent in the sampling,
processing and analysis of groundwater and sediment samples, so that
variability can be quantified and reduced. A major outcome of this
research effort will be the development and validation of standardized
methods for molecular biological tests, similar to the analytical methods
for standard chemical analyses. These methods will form the basis
for application to subsurface samples, including groundwater, and will
find broad application in research and remediation applications.
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