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[en] The article describes purification of radium containing water in coal mines. Author concludes that water purification is relatively simple and effective way to decrease environmental pollution caused by coal mining. The amount of radium disposed with type A radium water has been significantly decreased. The results of investigations show that it will be soon possible to purify also type B radium water. Article compares the amounts of radium disposed by coal mines in 1990, 1995 and forecast for 2000
Journal
Prace Naukowe Glownego Instytutu Gornictwa; ISSN 1230-2643; 
; (no.7); p. 145-156
; (no.7); p. 145-156