A study of 4,403 samples from Hangzhou found disinfection by-products (DBPs) in drinking water. Median trichloromethane levels peaked at 18 µg/L in 2021, linked to increased disinfectant use. Cancer risks were low (10⁻⁶ to 10⁻⁴), but safer methods are needed.

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A study of 4,403 samples from Hangzhou found disinfection by-products (DBPs) in drinking water. Median trichloromethane levels peaked at 18 µg/L in 2021, linked to increased disinfectant use. Cancer risks were low (10⁻⁶ to 10⁻⁴), but safer methods are needed. submitted by /u/calliope_kekule
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  3. A study of 4,403 samples from Hangzhou found disinfection by-products (DBPs) in drinking water. Median trichloromethane levels peaked at 18 µg/L in 2021, linked to increased disinfectant use. Cancer risks were low (10⁻⁶ to 10⁻⁴), but safer methods are needed.

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