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Remedial Action for Radioactive Waste Rock Piles in China

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Abstract

The Chinese government has conducted remedial action for radioactive waste rock piles since 1990. The radioactive waste rocks produced in the course of geological exploration of uranium deposits are widely distributed over several hundreds of locations in more than 20 provinces in China.

The following remedial actions for radioactive waste rock piles have been undertaken in China:

  1. 1.

    Protecting dams for stabilizing the piles have been built. A total length of about 50,000 m of these dams has been completed.

  2. 2.

    Soil layers have been emplaced on the radioactive waste rock piles. The focus of the action is to eliminate the radiation harmful to public health. A total area of 750,000 square meters of soil ahs been placed on the piles in China.

  3. 3.

    Radioactive waste rock piles have been vegetated. Aesthetic shaping of the landscape in the exploratory district of the uranium deposits is our expectant goal. A total area of about 560,000 square meters of vegetation has been placed on the soil covering the piles.

Through these remedial actions, the environmental situation has been extensively improved in the remedial districts. The individual annual effective dose equivalent is less than 1 Sv/a. The radon emission rate is less than 20 pCi/m2.s. The gamma ray external exposure rate has been greatly reduced.

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References

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Authors and Affiliations

  1. Beijing Research Institute of Uranium Geology, CNNC, Beijing, 100029, China

    Chen Zhangru, Jin Yuanxin & Song Lanying

  2. Bureau of Geology, CNNC, Beijing, 100013, China

    Wu Qingyan

Authors
  1. Chen Zhangru
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  2. Jin Yuanxin
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  3. Song Lanying
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  4. Wu Qingyan
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Zhangru, C., Yuanxin, J., Lanying, S. et al. Remedial Action for Radioactive Waste Rock Piles in China. MRS Online Proceedings Library 663, 1009 (2000). https://doi.org/10.1557/PROC-663-1009

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  • DOI: https://doi.org/10.1557/PROC-663-1009

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