Gigiena i sanitariia
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Gigiena i sanitariia · Nov 1994
[Hygienic aspects of Nizhnekamsk and Kuĭbyshev water reservoir protection under conditions of reclamation of irrigated deposits of non-ore building materials].
Effects of sand and gravel extraction on water quality of two reservoirs were assessed. Water quality was found to depend on flow velocity. Hygienic requirements to safe water use by population in places of such work were substantiated.