This first the first IARMA PT. It will comprise Soil and Water Materials with natural and anthropogenic radio-isotopes and will be professionally organized and competitively priced.
You can register interest at http://www.iarma.co.uk/register-for-pt/
There is also a short questionnaire to help IARMA assess customer needs at http://www.iarma.co.uk/proficiency-test-questionnaire/
PT sample shipment November 2011