[Influence of ambient air pollution on children's health in Krivoi Rog].

The degree and nature of surface air pollution with man-made chemicals were studied in Krivoy Rog in 1996 to 2005. The priorities of pollutants were established in the area with different forms of technogenic emissions and residential areas. Immunological parameters were studied in healthy neonates and 7-10-year-old children. There was a reduction in the major immunological parameters in both healthy neonatal infants and 7-10-year-old children and a rise in pediatric morbidity.

[Environmental pollution of the Krivoi-Rog iron ore basin and its impact on its population's health].

The authors studied the degree of ambient air and soil pollution with technogenically induced chemical substances in Krivoi Rog in 1996-2001. Priority pollutants were identified in the areas with different forms of technogenic discharge and on the development land. The widest range of pollutants and the highest morbidity rates were established at the site near a metallurgic plant and a by-product coke plant. The immunological parameters were studied in infants of the first year of life, who had been born full-term with intrauterine developmental retardation. Decreased basic immunological parameters were found in both this category of infants and healthy infants of the same age.

[Contribution of heavy metals to the development of reproductive disorders]. / Rol' tiazhelykh metallov v vozniknovenii reproduktivnykh narushenii.

In order to evaluate the role of heavy metals in the reproductive status, a complex hygienic evaluation of total daily entry of lead, cadmium, zinc, and copper in the organism, biomonitoring of metals in indicator biosubstrates, and epidemiological follow-up of the reproductive function were carried out in 6962 healthy women living in industrial cities of the Dnepropetrovsk region. Total daily entry of lead is 0.27 mg, that of cadmium 0.029 mg, which meets the WHO requirements. However the entry of copper and particularly zinc is 1.5-3 times below the physiological norm. Biomonitoring showed high concentrations of lead and cadmium in the body. Regular entry of abiotic metals even in low concentrations in the presence of deficiency of essential metals is fraught with risk of reproductive diseases, which was proven mathematically for all stages of the reproductive function: gestation, labor, and neonatal period.

[Hygienic evaluation of working conditions in present-day production of welding electrodes]. / Gigienicheskaia otsenka uslovii truda v sovremennom proizvodstve svarochnykh élektrodov.

Complex of unhealthy factors in the welding electrodes production was estimated. The leading ones are the high level of the noise and high concentration of the manganese dioxide aerosol in air. Toxicochemistry of the action of these factors was discussed.

[The cytogenetic effects of separate and combined exposures to a manganese dioxide aerosol and wide-band noise]. / Tsitogeneticheskie éffekty razdel'nogo i sochetannogo vozdeistviia aérozolia dvuokisi margantsa i shirokopolosnogo shuma.

Negative cytogenetic effects of manganese dioxide aerosol and noise (40-12,000 Hz, 80-100 dB) were studied. The modification of aerosol's effects by the noise was found.

[The hygienic characteristics of the working conditions in the modern electroplating industry]. / Gigienicheskaia kharakteristika uslovii turda v sovremennom gal'vanicheskom proizvodstve.

The contributors propose a set of newly performed hygienic studies in the widely developed technologies of electrotype, expound a complex of the hazardous occupational factors commonly encountered in modern galvanoplastics, contamination of the equipment, overalls and the skin with the metallic compounds contained in the galvanic electrolytes. Shops with non-isolated electrotype lines were characterized by the most unfavourable labour conditions.

[Cytogenetic effects of wide-range noise]. / Tsitogeneticheskoe deistvie shirokopolosnogo shuma.

Noise at 40-12,000 hz frequency and 100 dBA with maximums in medium and high frequency ranges, maintained for 3 months and 4 hours per day did not change the number of chromosome aberration cells in the spinal marrow, but decreased by 1,3 the number of the aberrant hepatocytes in male rats. This was apparently caused by the mitotic activity of the liver parenchyma and related elimination of the damaged cells. The noise maintained for 4 months caused an increase by 1,7 in aberrant hepatocytes. This cytogenetic effect is regarded as potentially dangerous.