"Tailings Storage Facility 'Kashka' Chuy Region"
Name of the facility: Tailings Storage of the Orlovsky Chemical and Metallurgical Plant
Ownership (owner) of the facility: Ministry of Emergency Situations of the Kyrgyz Republic
Location of the facility: Kashka River valley, southern outskirts of the settlement
Region: Chui
City (settlement): Kashka
Geographic coordinates of the facility or settlement:
Elevation (m): 1750
Period of operation and conservation: 1969-1994
Current technical condition of the facility: unsatisfactory, surface not reclaimed, integrity of the waterproofing layer violated.
Characteristics of the facility: tailings storage of the ravine-beam type
Volume of waste (thousand m3): 1900 Area (thousand m2): 600
Type and kinds of waste: tailings from the processing and enrichment of rare earth concentrate from the Ak-Tyuz enrichment plant.
Chemical composition of waste: no data.
Prospects for secondary processing: not feasible for ecological and economic reasons.
Impact of waste on the environment and population: contamination of groundwater and surface water
Radiation characteristics (Exposure dose rate (EDR) of gamma radiation at the surface, radon, activity, etc.): EDR = 200 – 450 µR/hour.
Vulnerability of the facility to hazardous natural processes, natural disasters: threat of floods and mudflows, erosion processes.
Seismicity of the area: 8 points
Transboundary impact of the facility: in catastrophic floods (mudflows), possible contamination of the Kashka River – a tributary of the transboundary Chu River.
Recommendations for ensuring safety and/or rehabilitation of the facility: comprehensive reclamation of the tailings storage, monitoring of the facility and the surrounding environment.
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