What does the acronym "TTHMs" stand for?

The acronym "TTHMs" stands for Total Trihalomethanes. This term is used to describe a group of chemical compounds that are formed when chlorine or other disinfectants react with natural organic matter in water. These compounds are of significant concern in water quality because they can have potential health effects when found at elevated levels in drinking water.

The focus on "total" indicates that the measurement includes all the various types of trihalomethanes present, such as chloroform, bromodichloromethane, dibromochloromethane, and bromoform. Regulatory agencies monitor the levels of TTHMs in drinking water to ensure compliance with safety standards and to protect public health. Understanding TTHMs is essential for those involved in water quality management, as it highlights the importance of monitoring disinfectant by-products in the water distribution system.