I remember when the outgoing Clinton administration changed the rules for the amount of arsenic permitted to be in water. The new standards did not come into effect until Bush2 was in office. The arsenic percentages were so small that many towns were going to have their water supply in jeopardy. I wonder whatever happened with those standards.
Going to the wayback machine, Bush2 had to spend the entire beginning of his presidency being falsely attacked for wanting to poison people’s water. Then Sen Jeffords left the Republican Party and Republicans lost their majority in the Senate. Then Sept 11 and the world changed.
The new arsenic standard was implemented after a delay in 2006. Permissible levels were reduced from 50ppb to 10ppb, the European standard and the same level the Clinton administration was trying to implement. (The EPA originally wanted 5ppb and I think the Bush administration was trying for 20ppb.)