CHAMPIONSGATE, Fla., Nov. 24, 2010 / PRNewswire-USNewswire / - A tlaleho e ncha ea tlhahlobo ea kotsi e rometsoeng ke International Academy of Oral Medicine and Toxicology khoeling ena ho Tsamaiso ea Lijo le Lithethefatsi ea US (FDA) e lemosa hore mercury e tsoang ho ho tlatsa meno ho hakanngoa hore e tla baka Maamerika a limilione tse 67.2 ho feta Reference Exposition Level (REL) ea 0.3 ug / m3 e thehiloeng ke Setsi sa Ts'ireletso ea Tikoloho sa US (US EPA) ka 1995. Haeba REL e sireletsang ho feta ea 0.03 ug / m3 e thehiloeng ka 2008 ke California Environmental Protection Agency e sebelisoa, joale hona joale lethal dose mohlomong e fetiloe ke Maamerika a limilione tse 122.3.
