| Yo Frequency, pulses per second —_— , L .Ol .001 L 10# 10? 10* 1d* J io® 10" Gammo Exposure Rate, r/hr ition curves TOUTE hoe Plus a 4 wee Van - =. Ge . PPE Gra.il rome ee 2& for the the talicretes with me an ely generager. ON x)

Select target paragraph3