Year

Month

Action/Results

Action Performed By

Project Number

Unknown

Unknown

Area for disposal of miscellaneous construction debris. Field survey indicated scrap concrete, roofing shingles, and construction trash.

CSSA

NA

1996

February

Work Plan for B-30 investigation submitted.

Parsons ES

RL17

March - April

EM geophysical survey performed on March 11 and April 2 and 3. One geophysical anomaly found indicated subsurface disturbance and possible buried waste, and another geophysical anomaly found associated with a pile of concrete slabs that may be reinforced with steel.

Parsons ES

RL17

Collected 3 surface soil samples (SS1-SS3) on March 12, analyzed for VOCs, SVOCs, and metals. Analytical results are currently in question due to ITS Laboratory practices.

Parsons ES
ITS

RL17

August

Completed 3 soil borings (SB1-SB3) on August 29, and sampled for VOCs, SVOCs and metals. Analytical results are currently in question due to ITS Laboratory practice.

ITS

RL17

April

EPA memorandum indicated analytical results obtained from ITS are not usable.

EPA

NA

November

Submitted work plan for resampling to replace analytical chemistry data generated by ITS Laboratory.

Parsons ES

NA

2000

March

Advanced 3 soil borings (SB1-3) for Rework and collected 7 soil/rock samples for VOCs, SVOCs, and metals analysis.

Data Chem

Rework

2002

July

Final RCRA Facility Investigation Report submitted.

Parsons

RL17

2003

December

Final TO 0019 Work Plan Addendum submitted.

Parsons

TO19

2004

January - May

Excavated slit trenches throughout the area of concern. Found roofing shingles, concrete, and misc. construction debris.
Closure and waste characterization samples collected.
Hauled excavated soil off-post to Covel Gardens.

Parsons

TO19

September

Final RCRA Facility Investigation/closure Report submitted.

Parsons

TO19

2005

February

Closure approved by TCEQ.

TCEQ

NA