[Home] [Master Table of Contents]
Area of Concern 50
Chronology of Actions/Investigations
| Year | Month | Action/Results | Action Performed by | Project Number |
| 1996 | March | Nickel penetrate site located approximately 100 feet from SWMU B-30. | Parsons ES | RL17 |
| 1999 | December | Collected 2 surface samples (SS1-2) and analyzed for TCLP metals. | Parsons ES O’Brien & Gere | DO5068 |
| 2000 | December | Conducted EM and GPR surveys. | Parsons ES | DO 5068 |
| 2001 | March | Excavated nickel penetrate from top of soil surface. Discovered waste trench. | Parsons ES | DO 5068 |
| April | Finished excavation of nickel penetrate and waste trench. Collected soil samples from bottom of trench. | Parsons ES | DO 5068 | |
| August | Collected ten post-excavation soil samples. | Parsons ES | DO 5068 | |
| 2002 | December | RCRA Facility Investigation Report submitted to TCEQ. | Parsons | DO 5068 |
| 2003 | December | Final TO 0019 Work Plan Addendum submitted. | Parsons | TO19 |
| 2004 | January | Began site excavation. Removed approximately 1 foot of soil from surface of site. Closure and waste characterization samples collected. | Parsons | TO19 |
| February - May | Excavated areas where closures samples failed. Hauled excavated soil off-post to Covel Gardens. | Parsons | TO19 | |
| June - July | Backfilled excavated area. | Parsons | TO19 | |
| 2005
| February | Final RFI Closure Report submitted | Parsons | TO19 |
| April | TCEQ | NA |