There are several types of tests used to measure arsenic levels, each serving different purposes:
Urine Testing: This is the most common method for assessing recent arsenic exposure. Urinary arsenic levels reflect exposure over the past few days and can differentiate between organic and inorganic arsenic. Blood Testing: While less common, blood tests can measure arsenic levels to assess acute exposure. However, arsenic is rapidly cleared from the bloodstream, limiting its usefulness for chronic exposure assessment. Hair and Nail Analysis: These tests are useful for evaluating long-term exposure. Arsenic accumulates in keratin-rich tissues, providing a record of exposure over months or even years. Drinking Water Testing: Monitoring arsenic levels in drinking water is essential for public health, especially in areas known for high groundwater arsenic concentrations.
