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KBA Performs Ecological Risk Assessment of TCE Plume

September 26, 2008.  KBA submitted final calculations of source media Protective Concentration Levels (PCLs) to TCEQ for an aerospace manufacturing company in Texas.   The source media PCLs are the concentration of contaminants in the groundwater that are protective of human and ecological exposure to surface water and sediments in an adjacent creek.  The contaminants in the groundwater are chlorinated solvents and metals.  TCEQ had previously accepted KBA’s Ecological Risk Assessment conclusions that the contaminant levels do not presently pose an unacceptable risk to ecological receptors from exposure to the creek or site soils.

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