Panorama.am
…Why arsenic in the water of Madan River in within standard, while its concentration on the bottom is high? “Sulfuric acid in high concentration is present in the graveyard. Acidic environment is formed as a result of sediments, in contrast to many other heavy elements, they form insoluble substances,” said Armen Saghatelyan, Director of Center for Noosphere Studies at the press conference. …
October 13, 2010