[The trace element (Cu, Zn, Mn, Cr) intake via drinking in the rural population of Iaşi County].

The drinking water from wells in 55 villages of Iaşi district was investigated in order to estimate the intake of mineral substances. The results pointed out that the content in oligo elements of water in these villages (250,000 inhabitants) was below required minimum (in 91.18% of villages for zinc, in 81.48% for manganese, in 92.7% for copper and in 98.80% for chromium).