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)







