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Area of Concern 51

Chronology of Actions/Investigations

Year

Month

Action/Results

Action Performed By

Project Number

Unknown

Unknown

Large area located in the East Pasture, east of RMU-1. AOC 51 surrounds SWMU B-9 and AOC 44, and consists of approximately 72 acres.

CSSA

NA

1997

February and April

UXO items found during cedar clearing were removed.

Parsons ES
UXB

RL33

2005

May

Collected nine surface soil samples. Samples were analyzed for metals and non exceeded background concentrations.

Parsons

NA

2010

December

Completed XRF survey.

Parsons

NA

2012

July

Release Investigation Report submitted to TCEQ.

Parsons

NA

October

Closure approved by TCEQ.

TCEQ

NA