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Area of Concern 57
Chronology of Actions/Investigations
|
Year |
Month |
Action/Results |
Action |
Project |
|
Unknown |
Unknown |
Temporary
structures used in the area for cleaning and maintenance activities.
AOC is located east of Building 98 and KOA area. |
CSSA |
NA |
|
2001 |
January- February |
One hundred twenty-nine soil gas survey samples were collected and analyzed for chlorinated and aromatic volatile organics. PCE was detected at the MDL (0.07 µg/L). |
Parsons |
DO 5084 |
|
2010 |
December |
Completed XRF survey of 67 locations. |
Parsons |
NA |
|
2011 |
January |
Collected 10 surface soil samples. |
Parsons |
NA |
|
June |
Release Investigation Report submitted to TCEQ. |
CSSA |
NA |
|
|
September |
TCEQ |
NA |