Nws tau tshaj tawm tias Kronos xav kom kaw 35,000-tuj sulfuric acid titanium dioxide ntau lawm kab ntawm Leverkusen cog hauv lub teb chaws Yelemees thaum xaus 2020 lossis thaum ntxov 2021. Tau txais kev txhawb los ntawm Tuam Tshoj txoj cai tswjfwm kev lag luam titanium dioxide, Tuam Tshoj titanium dioxide kev lag luam thaum 14 Tsib-Xyoos Npaj Kev Npaj Kev Nkag mus rau kev ua lag luam thoob ntiaj teb.
Thaum kawg ntawm xyoo tas los no, Lub Tsev Haujlwm Saib Xyuas Kev Lag Luam thiab Kev Ua Haujlwm Feem Txawv Tebchaws tau tawm ntawv tshaj tawm No. 54 ntawm 2020 ntawm Kev Kho Cov Ntawv Teev Tseg ntawm Cov Khoom Txwv tsis pub coj mus ua lag luam. Kev hloov kho ntawm cov npe txwv tsis pub khoom lag luam rau kev ua lag luam tsis raug cais raws li kev siv hluav taws xob ntau thiab muaj cov pa phem ntau heev thiab cov uas muaj cov khoom lag luam siab nrog cov ntsiab lus kev qhia raug tshem tawm. Tsis suav nrog 199 tus lej ntawm cov khoom lag luam coded xws li titanium dioxide. Thaum" 14-Tsib-Xyoos Npaj Rau Xyoo" lub sijhawm, Tuam Tshoj' s chloride txheej txheem titanium dioxide thiab sulfuric acid txheej txheem titanium dioxide khoom lag luam thoob ntiaj teb ua lag luam, lossis yuav ua kom nrawm nrawm ntawm kaw ntawm txawv teb chaws sulfuric acid txheej txheem titanium dioxide nroj tsuag.
