[The hygienic evaluation of the quality of the water from the Beresh River by its physicochemical indices].

The physicochemical properties of the water sampled from the Beresh [correction of Beresha] River before and after the development of the Sharypovsk industrial center were studied. The rates of increases in the levels of river water pollutants, sulfates, biogenic mineral substances, phenols, and petroleum products were found. Measures against river water pollution are recommended.

[Assessment of bottom sediments of the Uriup River in the area of open coal pit sewage accumulation].

The levels of greater than 20 chemicals were determined in the bottom sediments of the Uryup river. The characteristics of bottom river sediments before and after sewage accumulator outlet were compared. No negative changes in the chemical sediments in the river were revealed.