Dental amalgam controversy of mercury received by sewage treatment plants. The mercury contaminates the treatment plant sludge, which is typically disposed of by land application, landfilling or incineration. Several states, including New Jersey, New York, and Michigan, have required the installation of dental amalgam separators prior to 2017. EPA promulgated an effluent guidelines regulation in 2017 which prohibits most dental practices from disposing amalgam waste down the drain. Most dental offices nationwide are now required to use amalgam separators. The WHO reported in 2005 that in the United Kingdom mercury from amalgam accounted for 5% of total mercury emissions. In Canada, dental amalgam
Amalgam Comics Super Soldier Formula that created Captain America; the Bat-Thing, an amalgamation of the Man-Bat and the Man-Thing; or Shatterstarfire, the amalgamation of Shatterstar and Starfire). The 24 comics have been reprinted in four collected editions: Amalgam Comics Amalgam Comics was a publishing imprint shared by DC Comics and Marvel Comics, in which the two comic book publishers merged their characters into new ones (e.g., DC Comics' the Batman and Marvel Comics' Wolverine became the Amalgam character the Dark Claw). These characters first appeared in a series of twelve comic books which were published in 1996, between the third and fourth