In contrast, the year before it ranked 5,678 in baby name popularity for girls with 23 occurrences. Less than 5 boys were given the name. View the Janina Name Popularity Page to see how the popularity trend for Janina has changed since 1880, or to compare the popularity of Janina to other names.
Radiation sources are more common than you might realize. In addition to nuclear power plants and waste sites, radiation can be found in thousands of locations across the United States. Would you guess that radiation can be found at: ports and border crossings food and packaging analysis and testing facilities construction sites scrap metal recycling
Terrestrial Radiation. The Earth itself is a source of terrestrial radiation. Radioactive materials (including uranium, thorium, and radium) exist naturally in soil and rock. Essentially all air contains radon, which is responsible for most of the dose that Americans receive each year from natural background sources.nternal Radiation. All people have internal radiation, mainly from radioactive potassium-40 and carbon-14 inside their bodies from birth and, therefore, are sources of exposure to others. The variation in dose from one person to another is not as great as that associated with cosmic and terrestrial sources.