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TECHNICAL MEMORANDUM: RATIONALE AND EFFICACY OF AMENDING SOILS WITH PHOSPHATE AS MEANS TO MITIGATE SOIL LEAD HAZARD
U.S. EPA, OSWER 9355.4-27, 15 pp, 2015

Of the numerous agents that have been explored for their potential to render soil Pb less bioavailable or less mobile in soil, phosphate agents have been studied most extensively for their effects on oral bioavailability of Pb. This technical memorandum summarizes the major findings and conclusions reported in greater detail in a 2013 review by Scheckel et al., "Amending soils with phosphate as means to mitigate soil lead hazard: A critical review of the state of the science," in the Journal of Toxicology and Environmental Health B (16(6):337-380). http://clu-in.org/download/techfocus/stabilization/Phosphate-Pb-RBA-Technical-Memorandum060315.pdf
See also the 4-page fact sheet: http://clu-in.org/download/techfocus/stabilization/Phosphate-Amendment-Fact-Sheet060215.pdf.



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