Needed Material: 20 grams soil
Routine Basic Profile (P8)
Aluminium, Antimony, Arsenic-total, Barium, Beryllium, Boron, Cadmium, Calcium, Chromium, Copper, Iron, Lead, Magnesium, Manganese, Mercury, Nickel, Selenium, Silver, Strontium, Thallium, Uranium, Zinc
Fertilizer and Fertilizer Production Wastes
Due to it chemical properties, phosphate rock may contain significant quantities of naturally occurring radioactive materials, including uranium (and its decay products, including radium) and thorium (and its decay products).
In the US, uranium concentrations in phosphate ore range from 200 to 300ppm (parts per million = mg/kg).