WebCentral Florida phosphogypsum ranges from 20-35 pCi/g. Phosphogypsum formed during the chemical processing of north Florida rock, however, has only 5 to 10 pCi/g and is sold to peanut farmers who use it to provide the … WebThe combined analysis of (222)Rn activity concentrations and mesoscale meteorological conditions at Huelva city (Spain) was addressed in this study to understand the potential impact of phosphogypsum piles on the (222)Rn activity concentrations
Phosphogypsum - Wikipedia
WebApr 7, 2024 · Phosphogypsum is a combination of numerous elements, including the radioactive elements uranium, thorium, and radium. 74 The radium further decays into radon, a radioactive gas. 75 This waste is up to sixty times more radioactive than the original phosphate rock and, left untreated in phosphogypsum stacks, creates a … WebPhosphogypsum is radioactive due to the presence of naturally occurring uranium (5–10 ppm) and thorium, and their daughter nuclides radium, radon, polonium, etc. Marine … unconscious bias in recruitment examples
Stacks, water and waste: What the Piney Point leak means for ... - WFLA
WebOct 14, 2024 · The report indicates it will allow reuse of phosphogypsum at radioactivity levels similar to what is found in the stacks around Central Florida. The state is home to … WebOct 14, 2024 · Phosphogypsum is a byproduct material of phosphate fertilizer production. It is regulated for the presence of radium-226, a naturally occurring radioactive substance that produces radon gas, a hazardous air pollutant. The Clean Air Act requires the disposal of phosphogypsum in stacks, except for limited agricultural and research uses. WebThe average measured gross gamma exposure rate on the phosphogypsum pile corresponded to a dose equivalent rate of 0.368 +/- 0.006 mu Sv h-1 (0.32-0.42 mu Sv h … thorsten heymann deloitte