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Solid Waste Management Unit 30
Chronology of Actions/Investigations
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 |
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. |
Parsons ES CoreTerra 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 |
Collected 3 surface soil samples (SS1-3) for Rework, analyzed for VOCs, SVOCs, and metals. Advanced 3 soil borings (SB1-3) for Rework and collected 7 soil/rock samples for VOCs, SVOCs, and metals analysis. |
Parsons ES APPL, Inc. O’Brien & Gere 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. |
Parsons |
TO19 |
September |
Parsons |
TO19 |
||
2005 |
February |
TCEQ |
NA |