Geiger counter use guide
http://technologypals.com.au/wp-content/uploads/2012/03/Using-a-Geiger-Counter-to-test-food-for-Radioactive-Contamination.pdf
BACKGROUND READINGS AT NORMAL ARE 30 CPM
179 cpm Pacifica, CA
578 cpm Los Angeles, CA
http://www.youtube.com/watch?v=_SuVs-MtaqU&list=PLD33AEE01FE5EBB75
