Moscow authorities have announced an open tender for the supply of anti-icing agents in winter 2011-2012 for use on the road and in the yards of the capital. The contract value amounts to 2.5 billion rubles , the auction itself will take place in late September 2011. According to the documents, the customers are the prefectures of all ten districts of Moscow and the Department of housing and communal services and improvement, state budgetary institution of capital "grisnik" and the state Agency on management and financing of road facilities "Ring road", RIA "Novosti". With the auction winner will be awarded a contract for the supply of combined solid deicing on the basis of marble rubble, formate sodium salt of formic acid) and sodium chloride (table salt) with the addition of chloride (calcium and potassium). Previously head of the Department of natural resources and environmental Anton Kulbachevsky said that the Moscow authorities plan to tighten requirements for de-icing reagents from the point of view of their safety for the environment of the city. "Behind the wheel" conducted his examination of the reagents.