Victor Ivanovich Ishayev (Russian: Виктор Иванович Ишаев, born 16 April 1948) is a Russian politician. He has the federal state civilian service rank of 1st class Active State Councillor of the Russian Federation.[1] (wikipedia)
We had to close water inlets for several hours and announce the state of emergency. Specialists are taking urgent measures to dilute the concentration of nitrobenzene in the water.
I cannot be certain that the water is of good quality. 'Safe' does not mean 'good'.