Possible venues for the next interim meeting Bulgaria Sofia - - PowerPoint PPT Presentation

possible venues for the next interim meeting
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Possible venues for the next interim meeting Bulgaria Sofia - - PowerPoint PPT Presentation

Possible venues for the next interim meeting Bulgaria Sofia Buhovo uranium mining and milling site Kremena Ivanona Radostina Georgieva Bulgaria is situated in Southern Europe. Buhovo SOFIA Buhovo uranium mining and milling site is


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Possible venues for the next interim meeting

Bulgaria – Sofia Buhovo uranium mining and milling site

Kremena Ivanona Radostina Georgieva

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Bulgaria is situated in Southern Europe.

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Buhovo uranium mining and milling site is situated 15 km north-east from Sofia, the capital of Bulgaria. Buhovo SOFIA

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Water treatment plant of the uranium mining site “Iskra”, Katina

SOFIA Katina

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 The polluted water is purified with sorption column

PH Activity concentration

  • Unat. [mg/l]

226Ra [Bq/l]

Gross α [Bq/l] 2.63 0.80 ± 0.08 0.019 10.44 ± 0.13

Water contamination

Activity concentration Unat.

[mg/kg]

226Ra

[Bq/kg]

232Th

[Bq/kg]

116±8 122±6 15.8±3.4

Sediment

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Contaminated water discharged from the horizontal mining facilities

SOFIA Kremikovtsi Seslavtsi

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Water contamination in Seslavci

Activity concentration

  • Unat. [mg/l]

Gross α [Bq/l] 0.45 ± 0.08 4.3 ± 0.13 Horizontal facilities in Seslavci

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Water contamination in Kremikovtsi

Horizontal facilities in Kremikovtsi – slough near village Sampling Place

  • Unat. [mg/l]

Gross α [Bq/l] Slough 1.71 5.9 River Kremikovska in village 1.00 3.2 uncertainties (2δ) 20 % 10 %

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Waste rock piles

SOFIA

Seslavtsi Buhovo

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Contamination of material from the waste piles

Gama dose rate [nGy/h]

226Ra concentration

[Bq/kg] 1300±150 1110±60 Rain erosion of the waste rock piles - Seslavtsi

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Contamination of material from the waste piles

Gama dose rate [nGy/h]

226Ra concentration

[Bq/kg] 700±80 615±36 Motocross on the waste piles - Buhovo

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Uranium milling plant and tailing pond

SOFIA

Buhovo

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Soil contamination

Gama dose rate [nG/h] (Max value)

238U conc.

[Bq/kg] (Max value)

226 Ra conc

[Bq/kg] (Max value) 3000 527260 19203 PHP “Metalurg” Buhovo

Approximately - 82 139 m3 contamination area

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Tailing pong of PHP “Metalurg” milling plant - Buhovo

Total surface area is 900 acres. The mass of waste deposited is 8320 tons, Activity is 1,74.1015 Bq.

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Flood “Iana”

Gama dose rate 600 – 1000 nGy/h Gama dose rate 700 – 1600 nGy/h Agricultural land Park in village Iana

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Sofia is the capital and the biggest city of Bulgaria. It is located in west part of Bulgaria, at the foot of Vitosha mountain.

Hosting the meeting

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Hosting the meeting

Hotel Category Single room + dinner +dinner & lunch 4 stars 80 euro 90 euro 110 euro 3 stars 30 euro 40 euro 50 euro

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Welcome to Bulgaria