Review current situation with radon measurement in Kyrgyzstan.

1. Review current situation with radon measurement in Kyrgyzstan. A. Solomatina 23-27 October, 2017. Yerevan

2. Operating and closed storage facilities with low-low active waste of uranium and non-ferrous industry (containing uranium, thorium, radium, etc. NORM)

3. Tailings sits in Kyrgyzstan

4. Radon measurement in Kyrgyzstan • Laboratories involved in radon measurements: • Department of prevention of diseases and State Sanitary and Epidemiological Supervision under the Ministry of Health (DPDSSES), laboratory of radiological research (located in Bishkek city) • Chu ecological laboratory (research laboratory, working under contracts, it located in Kara-Balta town) • The main tool for measuring radon concentrations for these 2 laboratories is: the radon meter PPA-01M-03 (the “Doza”, Russia). There are several other devices for measuring radon by active method of 222 in the Chu Ecological Laboratory. In the Department’s laboratory there is the RADOSYS device, which allows to measure radon concentrations by passive method with the help of nuclear track etch detectors for long-term radon measurements. Currently, the device is not used in the laboratory, the DPDSSES needs additional training to learn how to use this device, how to help in organizing logistics and financing while providing internal quality testing, professional testing and calibrations.

5. Radon measurement in Kyrgyzstan. Equipments • RRA-01M-03 • PRM-145

6. Radon measurement in Kyrgyzstan. Equipments RADOSYS. Complete systems and components to setup radon test facilities

7. Radon measurement in Kyrgyzstan International projects, that took radon measurements, were implemented at the following sites: Uranium legacy sites (Shekaftar, Minkush, Kadzhisai) in Kyrgyzstan investigated by NATO RESCA and the Joint Norwegian projects (2007-2008) Uranium legacy site in Mailusuu investigated by Wisutec (Germany for The World Bank, 2007-2008) Uranium legacy sites (Minkush, Kadzhisai) investigated by FBA (Russia, 2014)

8. Equipment (International projects) Аlpha-Guard PQ 2000 nuclear track etch detectors RTM

9. The protocol for measuring radon concentrations in the buildings is as follows: - Radon measurements in living and in technical spaces (with communications) - Winter period (November - March) - Early in the morning (5.30-8.30) - Ground floor and basement (80%) - Non-ventilated rooms for more than 12 hours (were closed before sampling) Radon in the buildings. Protocol

10. Some results of the radon concentrations measurements. Kara-Balta site

11. General characteristics of the tailings Start of operation -1955. Project capacity - 63,55 mln.m3 Waste disposed - 37 mln.m3 Since 1957 – disposal of ore dressing plant tails, since 1991 –disposal of pulpy wastes of hydrometallurgical shop after extraction of underground leaching products. Currently production of pulps flow at tails management facility reduces 10 times in comparison with 1991 in average. The area of tails management facility is 268 ha, the area of the whole management facility within fencing is 501 ha, and totally within sanitary protection zone is 1036 ha. 4 sections, alluvium capacity is 20- 36 m. Ground water depth under tails is 60-80 m. Bottom of sections is multilayer (loamy soil - 0.8 m, drainage layer from gravel-pebble cover - 0.5 m, loamy soil - 0.3 m, sand - 0.8 m, gravel-pebble layer - 0.4 m and ash layer - 1 m). Content of elements in wastes: U – 50-70 mg/kg

12. Accumulating tanks “Ilovaia” Section № 7 Section № 8 Section № 9

13. Environmental state around tails management facility

14. Some results of the radon concentrations measurements. Kara-Balta site

15. Thank you for attention!