andard (MNS 5850) from above, from the soil as a percentage of the total samples: Chromium (Cr), 2.6% lead (Pb), 7.9% zinc (Zn) 2.6% Copper ( Cu) are respectively 1.3% and...

Khan-Uul districts of Ulaanbaatar 1.2 leather processing industry is concentrated in the territory of the Committee and "Kharigia" located in the industrial water treatment...