Quality of air in demolition practices has seldom been evaluated in Iran. (0.20 SEM f/ml), which is considerably higher than the threshold limit value (TLV) proposed by American Conference of Governmental Industrial Hygienist (ACGIH), which is 0.1 f/ml. The analysis showed a presence in the majority samples just chrysotile asbestos and an lack of the… Continue reading Quality of air in demolition practices has seldom been evaluated in