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Solid Waste Management Unit B-11
Chronology of Actions/Investigations
Year |
Month |
Action/Results |
Action Performed By |
Project Number |
Unknown |
Unknown |
Site served as a miscellaneous solid waste disposal area used for disposal of ammunition, scrap metal, and construction debris. |
CSSA |
NA |
1993 |
September |
Field survey indicated miscellaneous ammunition boxes, arms packing crates, and construction debris adjacent to the creek. |
Parsons ES |
Order 71 |
1995 |
April |
Geophysical survey performed on April 5. No anomalies detected. |
Parsons ES |
RL17 |
July |
Soil gas survey conducted in “South Pasture” which included one point within SWMU B-11 and several in the vicinity of the site. PCE was detected in the sample collected within SWMU B-11, at a concentration of 0.28 ug/L. |
Parsons ES |
RL17 |
|
1998 |
March |
Addendum to Work Plan submitted. |
Parsons ES |
RL53 |
2000 |
February |
Five soil borings (SB01-SB05) were drilled and sampled on February 28 and 29, and samples were analyzed for VOCs, metals, and explosives. |
Parsons ES Data Chem APPL, Inc. JEDI |
RL53 |
2002 |
August |
Final RCRA Facility Investigation Report submitted. |
Parsons |
RL53 |
2003 |
November |
Excavation activities commence under TO 0019. 3,078 cubic yards of waste material was excavated from the site. Confirmation sampling showed all COCs meet RRS1. |
Parsons |
TO19 |
December |
TO 0019 Work Plan Addendum |
Parsons |
TO19 |
|
2004 |
January |
Excavated approximately 2600 cubic yards of soil from site. Found old parachutes, roofing debris, and metal debris. Pot shot excavations to define the extent of the trench contents. Found concrete, burnt wood, tar roofing material, and wire. Collected closure and waste characterization samples. Excavated soil hauled off to Covel Gardens. |
Parsons |
TO19 |
June |
Final RCRA Facility Investigation/Closure Report submitted to TCEQ |
Parsons |
TO19 |
|
September |
TCEQ |
NA |