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CL Solutions Files for Patent for Destroying Ammunition Contaminants in Ground Water

Posted July 28, 2008 by

CL Solutions, in partnership with an Army contractor, completes successful treatability study on ground water contaminated with ammunition contaminants.

Cincinnati, Ohio. – July 26, 2008 – CL Solutions, a leader in the field of aerobic bioremediation, today announced that it has filed a patent for the process of bioremediation of ammunition contaminants from ground water using the company’s consortium of organisms, or pseudomonas, called CL‐Out. The filing comes after CL Solutions and an Army contractor, completed a successful ground water treatability study at a former Army ammunition plant. The study was performed on water contaminated with the explosive dinitrotoluene, or DNT.

Ground water contamination, at the former ammunition plant, is being controlled with a pump and treat system, which requires significant energy and also disposes of the water following the treatment. In an effort to find a more economical and environmentally friendly process, a treatability study was performed to verify if CL‐Out could degrade the DNT isomers present in the ground water, determine whether the degradation was complete, verify that degradation could meet the site clean‐up standards, and determine whether a ground water substrate would be necessary.

“The results of the treatability study showed that all six DNT isomers treated with CL‐Out were degraded in the ground water samples. After the successful study, we felt that a patent would protect our product and process. The next step is to conduct a field pilot study to verify that the treatability study results can be achieved in‐situ. We are confident that the outcome of the pilot study will be similar to the treatability study, and that we have a cost‐effective and environmentally friendly approach to remediate contaminants for military facilities around the world.” said Mike Saul, Vice President of CL Solutions, LLC.

The treatability study consisted of treating two identical ground water samples as microcosms and a third identical untreated sample maintained under the same conditions as a standard for comparison. One of the microcosms received a dosage of CL‐Out; the other was treated with CL‐Out and dextrose, which was added to determine whether a carbon source was necessary to support microbial growth. Samples were taken from each microcosm prior to treatment and at intervals of 2, 7, 14, 21 and 29 days.

The treatability study determined that CL‐Out can degrade the DNT isomers present in the ground water; the degradation was complete in the microcosm and could meet the site clean‐up standards without the addition of dextrose. Saul added, “While we are still very early in the testing phase, if things go as we anticipate, our process should help clean the ground water contamination faster and with less energy, and reduce the operational costs of the clean‐up as well as the carbon footprint of the DNT treatment. Should our process meet the requirements for DNT clean‐up, it is likely that the same treatment will also work for other ammunition contaminants, such as TNT.”

About CL Solutions
A leader in the field of bioremediation, CL Solutions rapidly and affordably bioremediates soil and groundwater contaminated with hydrocarbons and chlorinated solvents. The company’s products, CLOut and Petrox, have been field‐proven to work faster, work better, and cost less than other hazardous waste cleanup solutions. Amy Pollock of Manchester, New Hampshire is the North East Regional Manager for CL Solutions and can be contacted at http://www.cl‐solutions.com.

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