Szukana fraza: [Abstract = "The toxicity of the water extracts from the mineral wool wastes were at the average5 times smaller than the taxicity of such extracts from moulding sand wastes andabout 2 times smaller than the eluate from a sanitary landfill dump. In the atmosphericair an increased content of phenol and formaldehyde was found. The one year investigations, however, are too short for working out an accurate evaluation of the influence of the wastes dump the particular components of the environment."]

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