Akuti kampani ya Norwegian Hydro Company inasinthiratu ukadaulo wa dryfill backfill wa michira ya bauxite kuti ilowe m'malo mwa damu lakale la tailings, potero kuwongolera chitetezo ndi chitetezo cha chilengedwe cha migodi.
Panthawi yoyesa njira yatsopanoyi, Hydro adayika ndalama pafupifupi US $ 5.5 miliyoni pomaliza kutaya tailings m'dera la migodi ndipo adalandira chilolezo chogwira ntchito choperekedwa ndi satifiketi ya Para State Secretariat for Environment and Sustainability (SEMAS).
John Thuestad, Wachiwiri kwa Wachiwiri kwa Purezidenti wa Hydro's bauxite and alumina business, adati: "Hydro yakhala ikudzipereka kulimbikitsa chitukuko chokhazikika cha mafakitale a aluminiyamu, choncho tayesetsa kuchita izi pofuna kupewa migodi ya bauxite.Kukhazikitsidwa kwa maiwe atsopano okhazikika pa nthawi ya migodi kumayambitsa ngozi za chilengedwe. "
Yankho la Hydro ndilo kuyesa kwaposachedwa kutaya ma tailings a bauxite m'makampani.Kuyambira Julayi 2019, Hydro yakhala ikuyesera ukadaulo uwu pa mgodi wa Minerao Paragominas bauxite kumpoto kwa dziko la Para.Zikumveka kuti pulogalamuyi sikutanthauza kumangidwa mosalekeza kwa madamu atsopano okhazikika, kapena kuwonjezera zigawo za madamu omwe alipo, chifukwa pulogalamuyi imagwiritsa ntchito njira yotchedwa "dry tailings backfilling"., Ndiko kuti, backfill inert youma michira m'dera migodi.
Gawo loyesera la yankho latsopanoli la Hydro likuchitika pansi pa kuwunika kwanthawi yayitali komanso kutsata mabungwe azachilengedwe, ndipo amatsata miyezo yaukadaulo ya Komiti Yachilengedwe (Conama).Kugwiritsiridwa ntchito kwa yankho latsopanoli ku Brazil ndi sitepe yofunikira pa chitukuko chokhazikika, kupititsa patsogolo chitetezo cha ntchito ndi kuchepetsa malo a Hydro a chilengedwe.Kuyesa kwa projekiti kudamalizidwa kumapeto kwa 2020, ndipo Para State Secretariat for Environment and Sustainable Development (SEMAS) idavomerezedwa kuti igwire ntchito pa Disembala 30, 2020.