House Homeland Security Chairman Mark Green (R-TN) and Republican committee members introduced the Border Reinforcement Acts of 2023, a bill Republicans spent two years reviewing.
An Oct 2005 publication in the peer-reviewed journal 'Oxford Academic' concludes that "exposure to soluble silver compounds may produce other toxic effects, including liver and kidney damage, irritation of the eyes, skin, respiratory, and intestinal tract, and changes in blood cells."