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Area of Concern 69

Chronology of Actions/Investigations

Year

Month

Action/Results

Action Performed by

Project Number

1960s and 1970s

Unknown

Former ammunition burn and munitions disposal area with two defined burn pits.

CSSA

NA

2008

 

 

April

Ten soil samples collected from the site and analyzed for VOCs, SVOCs, explosives, and metals.

Parsons

NA

June

Five samples were collected in the areas of the three sample locations that were found to have high metal concentrations in the initial April 2008 sampling event.

Parsons

NA

November

Approximately 390 cubic yards of soil were excavated from the site and confirmation samples were collected.

Parsons

NA

2009

February

Approximately 50 additional cubic yards of soil were excavated from the site and confirmation samples were collected.

Parsons

NA

June

Release Investigation Report submitted to TCEQ.

Parsons

NAa

October

Closure approved by TCEQ.

TCEQ

NA