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Solid Waste Management Unit B-34
Chronology of Actions/Investigations
|
Year |
Month |
Action/Results |
Action Performed By |
Project Number |
|
Unknown |
Unknown |
Pipe and pipe bedding for a 230-foot section of pipe leading from a locomotive maintenance pit southwest underneath an open field to an outfall opening near a culvert at McElroy Road. |
CSSA |
NA |
|
1995 |
July |
Soil gas survey conducted on July 19. |
Parsons ES |
Order 67 |
|
1996 |
February |
Work Plan for B-34 Investigation submitted. |
Parsons ES |
RL17 |
|
March |
EM geophysical survey performed; one geophysical anomaly found that was associated with Building 28. |
Parsons ES |
RL17 |
|
|
Collected 3 surface soil samples (SS1-SS3) on March 11, analyzed for VOCs, SVOCs, explosives, 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 22 and 23, and sampled for VOCs, SVOCs and metals. Analytical results are currently in question due to ITS Laboratory practices. |
Parsons ES |
RL17 |
|
|
September |
Completed one hand auger on September 6 and sampled for VOCs, SVOCs and metals. Analytical results are currently in question due to ITS Laboratory practices. |
Parsons ES |
RL17 |
|
|
1999 |
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 |
Rework |
|
2002 |
August |
Final RCRA Facility Investigation Report submitted. |
Parsons |
RL17 |
|
2003
|
March |
Collected 14 surface soil samples and analyzed for metals, VOCs, and SVOCs. |
Parsons DHL Analytical |
RL17 |
|
August
|
Final Addendum to RCRA Facility Investigation Report submitted. |
Parsons |
RL17 |
|
|
Sample 14 is over the RRS1 for lead, can not close site. Additional work needed |
||||
|
December |
Final TO 0019 Work Plan Addendum submitted. |
Parsons |
TO19 |
|
|
2004 |
February |
Collected an additional 6 delineation samples approximately 100 feet further north and west of previous samples. Further extent samples came back above background, site on hold. |
Parsons |
DY01 |
|
2010 |
December |
XRF survey performed. |
Parsons |
NA |
|
2011 |
June |
XRF survey performed at 39 locations. |
Parsons |
NA |
|
2012 |
January |
XRF survey performed at 11 locations; 2 surface soil samples collected. |
Parsons |
NA |
|
2013
|
March |
XRF survey performed at 21 locations; 12 surface soil samples collected. |
Parsons |
NA |
|
June |
Total of 78 shallow soil borings drilled through the asphalt pavement of both Tompkins Road and the Building 606 parking lot. |
Parsons |
NA |
|
|
June - August |
Total of 1,755 cubic yards of soil excavated from the site and confirmation samples collected. |
Parsons |
NA |
|
|
2014
|
January |
Site-Specific Closure Report submitted to TCEQ. |
Parsons |
NA |
|
April |
TCEQ |
NA |