Which city has a reported water concentration of asbestos ranging from 10-100 million fibers per liter?

The identification of San Francisco as the city with a reported water concentration of asbestos ranging from 10-100 million fibers per liter aligns with documented environmental health studies and assessments. Certain historical and geological factors contribute to elevated levels of asbestos in the water supply in specific regions, including San Francisco. The city's geology includes areas with naturally occurring asbestos deposits, which can leach into water supplies.

Furthermore, the measurement of asbestos fibers in water is significant due to the potential health risks associated with asbestos exposure. Asbestos is a known carcinogen, and although the pathway of exposure through drinking water may be different than direct inhalation, concerns arise when asbestos fibers are present in high concentrations.

Understanding asbestos levels in drinking water is crucial for environmental health professionals. It informs public health policies and helps in assessing risks to residents, ensuring that necessary interventions or public information campaigns are implemented to mitigate exposure and protect community health.