Izinkombandlela ze-EPA zamanzi angcolile
I-US Environmental Protection Agency (EPA) ibuyekeze imihlahlandlela yayo yokuchithwa kwamazinyo ngo-2017. Izihlukanisi ze-Amalgam manje sezingamazinga okwelapha adingekayo ukuze kuncishiswe ukukhishwa kwe-mercury emahhovisi amazinyo kuya emisebenzini yokwelapha ephethwe umphakathi (POTWs). I-EPA ilindele ukuthi ukuhambisana nalo mthetho wokugcina kuzonciphisa njalo ngonyaka ukukhishwa kwe-mercury ngamathani angu-5.1 kanye ne-5.3 [...]