[Hygienic characteristics of the quality OF underground drinking water in oil-producing areas].

The purpose of the research was the assessment and the disclosure of the features of the pollution of groundwater at the oil-producing areas of the Republic of Bashkortostan and the elaboration of hygienic recommendations for environmentally sound water management. According to results of the studies performed there is presented the characteristic of main reasons leading to the pollution of groundwater in the location of oil and gas producing regions There was suggested the complex of hygienic recommendations and management decisions on the improvement of the water supply in areas with advanced oil production.

[About the microbiological criteria for air quality barracks in the far north].

A comparative study of air quality in terms of microbiological indicators in the barracks room personnel a number of units of the Northern Fleet is perfomed. The direct dependence of the degree of microbial contamination of air and the frequency of respimratory diseases from the specific volume of space per person is showed. Criteria for assessing air quality in terms of microbiological indicators and a set of measures to improve it are suggested.

[Hygienic rationale for the maximum allowable concentration of agidol 10 in the ambient air of inhabited localities].

The subjects of studies were laboratory animals (rabbits, guinea pigs, albino rats, albino mice) and a chemical substance (agidol 10, a alkyl phenol derivative). The purpose of the study was to provide a rationale for the maximum allowable concentration (MAC) of agidol 10 in the atmosphere of inhabited localities. Experimental studies of the toxicity of agidol 10 were conducted on laboratory animals. The recommended average daily MAC of agidol 10 was 1.0 mg/mn; the maximum single dose was 2.0 mg/m3. The limiting index was its resorptive activity.

[Hygienic evaluation of public health risks induced by petrochemical industrial releases in alkylphenols production].

Experimental studies covered toxicity of alkylphenols derivatives in laboratory animals, helped to specify maximal allowable concentrations. Environmental studies were aimed at quality of ambient air near enterpirses involved into production of alkylphenyl stabilizers and additives.

[Snow cover pollution monitoring in Ufa].

The paper presents the results of examining the snow cover polluted with heavy metals in the large industrial town of Ufa. The level of man-caused burden on the snow cover of the conventional parts of the town was estimated and compared upon exposure to a wide range of snow cover pollutants. The priority snow cover pollutants were identified among the test heavy metals.

[Organization of a sociohygienic monitoring system in the developed ore-mining areas of the Republic of Bashkortostan].

The paper presents data on the content of chemical elements in the snow blanket, water sources, soil, and agricultural products in the Uchaly and Baimak districts of the Republic of Bashkortostan. The integrated pollution of environmental objects and the content of metals in the biological environments were estimated and the total daily doses of heavy metals ingested by the inhabitants of the districts. The results of observations made it possible to rank the areas by the man-caused load, and to substantiate the major priority pollutants to be included into the sociohygienic monitoring system.

[The health status of a pediatric population at the site near a Bashkir biochemical plant].

Qualitative immunological changes in children from an old age group who have clinical manifestations of immunological deficiency and in apparently healthy children, who reside at the site in vicinity of a Bashkir biochemical plant may suggest the negative impact of emission from the plant on their health and require differential measures aimed at correcting the immune system.

[Premorbid period of anorexia nervosa]. / Domanifestnyi period nervnoi anoreksii.

Premorbid period of anorexia nervosa was studied in 96 female patients. In 64 cases (group 1) anorexia nervosa was as a separate disease and in 32 cases (group 2)--as a syndrome of endogenous mental disorder. In group 1 premorbid period was characterized by the features of neuropathy and residual organic disorders in combination with accumulation of subjects with personality disorders in the patient's family that promoted development of prolonged neurotic disorders. In group 2 there was hereditary psychosis load, high frequency of obstetrical and other perinatal complications, overvalued ideas and predisposition to autistic games and fantasying. In both groups, psychopathological peculiarities included typical affective, obsessive-phobic, hypochondriac, cenesthopathic and behavioral disorders, of a stable character often provoked by psychotraumatic events.

[Methodologies as applied to the organization of socio-industrial monitoring in regions with developed petroleum chemical industry and oil refineries]. / Metodicheskie podkhody k organizatsii sotsial'no-gigienicheskogo monitoringa v regionakh s razvitoi neftekhimiei i neftepererabotkoi.

The authors tackle a problem of social and hygienic monitoring organization in territories with developed oil chemistry and oil processing industries. Analysis of longstanding observations over environmental objects and public health state serves to justify priority criteria to be included into social and hygienic monitoring system.

[Evaluation of long-term data on air pollution in regions of petrochemical and oil processing plants]. / Otsenka mnogoletnikh dannykh o zagriaznenii atmosfernogo vozdukha v raionakh raznmeshcheniia predpriiatii neftekhimii i neftepererabotki.

Long-term observations of air quality in regions with developed petrochemical and oil-processing industry proved that the ambient air is significantly polluted and becomes a severe health hazard. Levels of the air pollution 3 km apart from the enterprises are high, those 10-20 km apart-moderate, those 30 and more km-mild. Materials of air pollution observations over 35 years demonstrate health changes in large population groups.

[Comparative characterization of waste from petrochemical and oil processing industries in the environmental air]. / Sravnitel'naia kharakteristika vybrosov v atmosferu predpriiatii neftekhimicheskoi i neftepererabatyvaiushchei promyshlennosti.

Many-year surveys of the output of harmful agents entering the ambient air from petrochemical and oil-processing enterprises in Russian cities and towns were summarized. A variety of the cities and towns with developed petrochemical and oil-processing industry were found to be a burden to their population.

[Hygienic assessment of the water quality of water reservoirs in regions with developed petrochemical and petroleum refining industries]. / Gigienicheskaia otsenka kachestva vody vodoemov v regionakh s razvitoi neftekhimicheskoi i neftepererabatyvaiushchei promyshlennost'iu.

The pollution intensity of the Belay River was studied in different periods of petroleum refining processes over many years. The extent of river pollution was determined. The calculated complex indices for river pollution allow one to make hygienic ranging of the river by the basic hazard indices.

[The effect of petrochemical and oil-refining enterprises on the sanitary state of the soil cover]. / Vliianie predpriiatii neftekhimicheskoi i neftepererabatyvaiushchei otrasli na sanitarnoe sostoianie pochvennogo pokrova.

Pollution of soil and agricultural plants was studied in the areas of petrochemical and oil-processing enterprises. Massive soil pollution was found in the adjacent 1-3-km areas. Hydrocarbons and metals from wastes accumulate in onions, radish, potatoes, and apples.

[Biological effects of chemicals used in oil and gas extraction and purification of water bodies polluted with oil]. / Biologicheskoe deistvie khimreagentov, ispol'zuemykh v protsesse neftegazodobychi i ochistki vodoemov ot nefti.

Hemopoietic system and liver are primary biologic targets damaged. That was proved by evaluation of biologic effects induced by preparations widely used in extraction of oil and gas, in purification of water from oil. Phosphorus organic compounds induce gonadotoxic effects. Surface-active chemicals and phosphorus organic compounds are similar in general toxic effects, but differ in specific influence.