| Date | Application | Response |
| 2008, January 8 | Three temporary variances for fire protection and pressure safety | Determined that submittal of non-compliance and corrective action plan is appropriate for these conditions. |
| 2008, February 4 | Permanent variance for sprinklers and fire boundary | Variance approved. Includes applicant's commitment to maintain specified conditions and measures. |
| 2008, October 15 | Permanent variance for hoisting and rigging operations in hostile environments | Determined that provisions of DOE-STD-1090-2007 "Hoisting and Rigging" are appropriate for these conditions. |
| 2008 December 30 | Permanent variance for sprinklers and fire boundary | A previously approved variance is approved for a successor contract. |
| 2010, February 19 | Permanent Variance Regarding Static for Magnetic Fields. | Variance approved. The variance consists of replacing the 2005 TLVS for static magnetic fields with the 2009 TLVS, as well as the specific conditions and commitments to provide safe working conditions. |