Radiation monitoring, Bulgaria (Deadline: 21 October 2011)

27 September 2011

PROJECT NAME: Pre-disposal Radiological Monitoring of Radiana Site

PROJECT ID: 17149

The Bulgarian State Enterprise for Radioactive Waste (SERAW) plans to construct a National Disposal Facility (NDF) for short-lived low and intermediate level radioactive wastes generated in Bulgaria. Radioactive wastes conditioned in cement and packed in reinforced concrete containers will be disposed in a near surface modular multibarrier engineered disposal facility trench type. The wastes primarily arise from the decommissioning of Units 1-4 at the Kozloduy Nuclear Power Plant (KNPP), but also include operational wastes from other nuclear power stations in Bulgaria (existing and planned), research reactor, hospitals and industrial enterprises. The NDF is planned to be located on land adjacent to the KNPP site. The establishment of the NDF is scheduled for 2015 according to the Bulgarian Strategy on Spent Fuel and Radioactive Waste Management.

SERAW intends to engage a consultant to prepare and execute a pre-disposal environmental radiological monitoring programme on the Radiana site before the NDF commences operations. The purpose of the predisposal environmental radiological monitoring is to detect and monitor radioactive elements in the environment associated with the NDF, to provide comprehensive information on the radiological background prevailing on the site of the NDF prior to commencement of operations, in order to follow the possible evolution in time during operational and post-closure time of the facility and to give evidence for the negligible environmental radiological impact of the facility.

The specific objectives of this assignment are:

• Preparation of pre-disposal environmental radiological monitoring program;

• Identify the current content of natural and artificial radionuclides in key environmental samples on the site (air, soil, water, vegetation, foodstuff, etc);

• Define baseline radiological conditions on the site for comparison with later monitoring results during facility operation and after its closure;

• Collect environmental media samples for archival purposes and later comparison;

• Analyse the results and prepare reports;

• Develop radiological monitoring data base;

• Development of the basis for the design of the operational environmental radiological monitoring program

Assignment Start Date and Duration:

The pre-disposal radiation monitoring program must be of sufficient duration to obtain representative results for all the measured variables. A period of 36 months before the commissioning of the NDF is considered to be a reasonable time for this purpose.

It is anticipated that the assignment will start February 2012.

Contact:

Mr Dilyan Petrov, Executive Director of State Enterprise ''Radioactive Waste'' – SE RAW, 18th Floor, 51 James Bourchier Blvd, 1407Sofia, Bulgaria. Tel: +359 2 962 49 48. Fax: + 359 2 962 50 78. E-Mail: dilyan.petrov@dprao.bg




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