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Area of Concern 41
Chronology of Actions/Investigations
|
Year |
Month |
Action/Results |
Action Performed by |
Project Number |
|
1995 |
May |
Geophysical survey was conducted at all the "open" areas within a 2,000-foot radius of well 16, including AOC 41. Found two anomalies. Anomaly A is subtle and is not related to known surface/subsurface features. Anomaly B is larger and may be related to additional underground metal piping or fragments. |
Parsons ES |
Order 67 |
|
June - July |
Twelve soil-gas survey samples collected and analyzed for chlorinated and aromatic volatile organics. PCE was the only target analyte detected. |
Parsons ES |
Order 67 |
|
|
1999 |
December |
Forty soil gas survey samples were collected and analyzed for chlorinated and aromatic volatile organics. PCE was the only target analyte detected. |
Parsons ES |
DO5068 |
|
2000 |
January |
A soil gas survey was conducted at the site. |
Parsons ES |
DO5068 |
|
2003 |
December |
Final TO 0019 Work Plan Addendum submitted. |
Parsons |
TO19 |
|
2005 |
April |
Final AOC 41 No Further Action Report submitted. |
Parsons |
TO19 |
|
July |
TCEQ |
NA |