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Area of Concern 38
Chronology of Actions/Investigations
|
Year |
Month |
Action/Results |
Action Performed By |
Project |
|
1995 |
May |
Geophysical survey was conducted at all the "open" areas within a 2,000-foot radius of well 16, including AOC 38. Found one unexplained anomaly at this site and a 1.5-inch diameter metal pipe discovered. |
Parsons |
Order 67 |
|
June - July |
Twenty-six soil-gas survey samples collected and analyzed for chlorinated and aromatic volatile organics. PCE and TCE were detected. |
Parsons |
Order 67 |
|
|
November- December |
Additional 94 soil-gas survey samples were collected. |
Parsons |
Order 67 |
|
|
2000 |
January |
Collected 60 surface soil samples (SS1-60) and analyzed samples for PCE, TCE and DCE. |
Parsons ES O'Brien & Gere |
DO 5068 |
|
2003 |
December |
Final TO 0019 Work Plan Addendum submitted. |
Parsons |
TO19 |
|
2004 |
April |
Excavated rubble pile filled with barb wire, fencing, and concrete debris. Pot shot excavations around the site showed nothing under the surface. |
Parsons |
TO19 |
|
September |
Final RCRA Facility Investigation/Closure Report submitted to TCEQ. |
Parsons |
TO19 |
|
|
2005 |
February |
TCEQ |
NA |