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Portaferry Beach Dose Rate

Last updated: 3 August 2010

Sediment Type: Shingle

Gamma Dose Rate (uGy/hr) 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010
0.094 0.089 0.097 0.095 NM* 0.094 0.104 0.104 0.097 0.091 0.097 0.090 0.087

The average dose rates in air over intertidal sediments in the British Isles due to natural radioactivity are:

Sand 0.03 to 0.05 micrograys per hour (uGy/hr)

Mud 0.05 to 0.10 micrograys per hour (uGy/hr)