RT null T1 Mercury Dental Amalgam Collection and Recovery U.S. Federal and State Models A1 Global Mercury Partnership, A1 USEPA, YR 2010 FD 2010 LK https://wedocs.unep.org/handle/20.500.11822/12935 UL https://wedocs.unep.org/handle/20.500.11822/12935 NO Mercury Dental Amalgam Collection and Recovery U.S. Federal and State Models NO https://www.unep.org/chemicalsandwaste/Portals/9/Mercury/Waste%20management/S1_09_USA.pdf DS UN Environment Document Repository RD Sep 20, 2026