1. Shutdown 2012 ES&H Friday May 11, 2012J. Anderson Jr. Page 1 Booster and 8 GeV line radiation surveys and enclosure re- cored to a shutdown access key series this morning. Long term shutdown access keys available around noon. Radiation Safety First week of using the “Get Dose” electronic dose reporting system went reasonably well. Please continue to remind employees to report dose exposure weekly. Plan to report dose exposures on a monthly basis. Interlock Group Worked with FESS to gather SLED information during the feeder 43 power outage. Completed maintenance on the RMSS Chassis.

2. Shutdown 2012 ES&H Friday May 11, 2012J. Anderson Jr. Page 2 Main Injector & 8 GeV Line Enclosures With the amount of work required in the Main Injector in support of the NOvA reconfiguration, effective Monday May 14 the following clothing requirements will be established for access to the Main Injector and 8 GeV Line enclosures Closed toe and closed back shoes Short or long sleeve shirts (no tank tops) Long pants Depending on the work task, hard hats, bump caps, safety glasses, steel toed shoes, and gloves also may be required. These PPE requirements should be listed in the Hazard Analysis for the task.

3. Continue to keep safety awareness high by using Take 5. Shutdown 2012 ES&H Friday May 11, 2012J. Anderson Jr. Page 3