Kate Chapman writes in the Dominion Post about the various uses of nuclear material in New Zealand, from medical therapy to some smoke alarms.
Other industries which use non-ionising radiation in New Zealand include agriculture, research and education.
An excerpt: (read in full here)
“Natural background radiation was the largest contributor to radiation levels in New Zealand, NRL said.
“Medical use of radiation for diagnostic X-rays, radiotherapy and radiopharmaceutical procedures was the next largest category.
“Levels of radioactive fallout from atmospheric nuclear weapons tests have been falling since 1965, and were now lower than the levels from air travel.