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The moss Pleurozium schreberi was used to evaluate the emission of polycyclic aromatic hydrocarbons (PAHs) at Polish cemeteries on the All Saints' Day, when Poles traditionally light candles and candle lamps in memory of the deceased. Moss samples were exposed for 7 days at 4 cemeteries and, for comparison, in a city centre and in a rural area. During exposition, the mean content of 16 monitored PAHs...
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