Portrush White Rocks Beach Dose Rate

Last updated: 3 August 2010

Sediment Type: Sand

Gamma Dose Rate (uGy/hr)	1998	1999	2000	2001	2002	2003	2004	2005	2006	2007	2008	2009	2010
	0.057	0.054	0.063	0.064	0.064	0.071	0.073	0.059	0.066	0.060	0.060	0.061	0.056

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)