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Part 21 Report - 1999-060

… minimum chrome plating thickness. References: (1) "Calvert Cliffs Unit #1 Reactor Operation with Modified CEA Guide …

Event Notification Report for March 3, 2009

… Inspector. Power Reactor Event Number: 44886 Facility: CALVERT CLIFFS Region: 1 State: MD Unit: [1] [2] [ ] RX Type: [1] … test. The following sirens that are OOS are located in Calvert County (9 of 50 sirens), St. Mary's County (5 of 17 …

Event Notification Report for March 29, 2003

… 39713 39714 Power Reactor Event Number: 39709 Facility: CALVERT CLIFFS Region: 1 State: MD Unit: [1] [2] [ ] RX Type: [1] … DUE TO STATE POLICE SEARCH OF THE OWNER CONTROLLED AREA The Calvert Control Center in Prince Frederick County received …

Event Notification Report for June 18, 2010

… been notified." Power Reactor Event Number: 46024 Facility: CALVERT CLIFFS Region: 1 State: MD Unit: [1] [2] [ ] RX Type: [1] … or structures. A courtesy notification was made to Calvert Control Center at 1445 to ensure local agencies were …

Preliminary Notification (PN) Reports for 2006

… from Thyroid Ablation Therapy PNO-I-06-014A 11/20/2006 Calvert Cliffs, Unit 2: Shutdown Greater than 72 hours due to … and Intercept Valves (Update) PNO-I-06-014 11/17/2006 Calvert Cliffs, Unit 2: Shutdown Greater than 72 hours due …

Event Notification Report for December 29, 2003

… Class 1E applications by Westinghouse were shipped to the Calvert Cliffs Plant with model 5 operating mechanisms installed. … these breakers failed to close and latch during testing at Calvert Cliffs. The first breaker failed to close and latch …