Effects of Nitrogen Trichloride (trichloramine) On The Human Lung
Nitrogen trichloride has been directly linked as a factor causing asthma in two lifeguards and a swimming teacher. A study of 624 swimming pool workers found a significant correlation between upper respiratory symptoms and their total exposure to nitrogen trichloride. The study also found an excess risk in the workers for the specific symptoms indicative of asthma. In a study by Alfred Bernard's group, two hours exposure to an average concentration of 0.490 mg/m3 of nitrogen trichloride above a swimming pool was found in both children and adults to significantly increase the levels of the alveolar surfactant associated proteins A and B, which indicate hyperpermeability of lung epithelium. In other words, exposure to nitrogen trichloride was found to weaken the protective nature of the surface of the lungs.
Read more about this topic: Pool Chlorine Hypothesis
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