Antimicrobial copper-alloy touch surfaces follows: The following claims are now legally permitted when marketing EPA-registered antimicrobial copper alloys in the U.S.: The registrations state that “antimicrobial copper alloys may be used in hospitals, other healthcare facilities, and various public, commercial and residential buildings.” The EPA copper alloy registrations were granted “with public health claims,” meaning that they permit manufacturers of copper-based products sold in the U.S. to claim on their labels the ability of copper, brass, and bronze to kill harmful, potentially deadly bacteria. As a condition of registration established by EPA, the Copper Development Association (CDA) in the U.S. is responsible for the
Sundown Tin and Copper Mine Sundown Tin and Copper Mining Company (N.L.) which erected a 10-head battery driven by a suction-gas plant, and built two fines dams. No work had been done for some time on the tin portion, but some had been going on for copper. In 1915 a calciner was erected, together with "another" Wilfley concentrating table and a Berdan crushing pan, and a new shaft was sunk on the tin deposit. The new tin shaft had poppet legs erected over it in 1916, and a 16 hp Tangye winding engine and vertical boiler were installed. That year 69.5 tons of tin and