Here is a release from the Virginia Department of Emergency Management:
RICHMOND, Va. – State and local officials will test the early warning siren system around the Surry Power Station Wednesday, June 13, at approximately 11:10 a.m. A steady three-minute tone will be sounded by 68 sirens in Williamsburg, Newport News and the counties of Surry, James City, York and Isle of Wight. The sirens are located in a 10-mile radius of the plant.
Siren tests for Surry Power Station consist of a single three-minute tone and take place quarterly on the second Wednesdays of March, June, September and December. The Virginia Department of Emergency Management, Dominion Virginia Power and the localities where the sirens are located participate in the quarterly tests.
The siren notification signifying an actual emergency at Surry Power Station consists of four separate three-minute activations, each separated by a one-minute silent interval. Total elapsed time for actual emergency notification is 15 minutes. When sirens sound, people should listen to a local radio or TV station that is broadcasting emergency information. Additional information about the siren system and emergency notification can be found in the annual Surry Power Station emergency information calendar mailed to households in the region.
The next test of the Surry siren system will be Sept. 12, 2012
