| In the Chechersk District, WBC tests are made on a regular basis. There is a fixed WBC installation, however a mobile device is not available. All children and other groups subject to compulsory testing have been examined almost 100%. Few cases are recorded every year of the average annual dose exceeding 1 mSv/year. In 2001, 93 such cases were recorded out of 8,120 persons examined, which is 1.1%. In 7 cases, consumption of contaminated milk was to blame; in 20 cases - consumption of game; and in 66 cases - consumption of wild vegetation products. Figure 1 shows a map drawn by the "Belrad" Institute based on the results of radiation monitoring of children of the Chechersk District.  Figure 1. Levels of 137Cs accumulation in children of the Chechersk District, Bq/kg
Radiological monitoring of the external background level is carried out by the Chechersk District Centre of Hygiene and Epidemiology (DCHE). The radiological department of this centre has appropriate meters: ДБГ-06-Т, СРП-68-01, КРБ-1, МКЦ-1117. They are used to make compulsory quarterly measurements of background levels and the exposure dose power (EDP) in schools and preschool institutions of the district. Information on the external background level is communicated to the chairperson of a collective (state) farm only when the level stipulated by the RDU-99 for this entity is exceeded. The head of the rural council keeps information on the external background level in schools, preschool institutions and the village. The schools and preschool institutions have information on local EDP and beta contamination of the buildings and metal constructions. Primary health units, outpatient clinics and medical precincts have information on the level of EDP within their territories. Information on soil contamination can be obtained from the chairperson of a collective (state) farm, i.e. maps depicting field contamination density. The District Centre of Hygiene and Epidemiology has meters for measuring the external background level and analysing radiological quality of food products. Once a year, EDP and surface contamination measurements are made at preschool institutions and schools of the district. The District Centre of Hygiene and Epidemiology keeps sanitary and ecological certificates for the surveyed facilities. Information on the background level is delivered to the directors of preschool institutions and schools. The District Centre of Hygiene and Epidemiology also keeps data on soil contamination fed by the National Centre of Radiation Control and Environmental Monitoring. The District Centre of Hygiene and Epidemiology checks food products for Cs 137 concentration for the public and private sectors. The District Centre of Hygiene and Epidemiology tests milk twice a year. Other food products, like potato, other vegetables, mushrooms, berries, wild game, potable water, bread, etc., are tested once a year and when requested. The District Centre of Hygiene and Epidemiology within 5 days communicates the results of product testing to the rural council. Members of the rural councils inform owners about quality of the tested products and display the results in shops. The District Executive Committee receives this information every 6 months. The district newspaper informs its readers about radiological quality monitoring 1-2 times a month. Experts of the District Centre of Hygiene and Epidemiology run an on-the-the investigation into each case of RPL non-compliance in food products. | 
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