Test code links throughout this Guide refer to the corresponding test in the User's Guide. Thallium is similar to lead and mercury in terms of its toxic properties.
Chronic exposure produces alopecia, peripheral neuropathy, seizures, and renal failure.
Thallium is found as a byproduct of lead and zinc smelting and is also used in the manufacture of thermometers, rat poisons, insecticides, semiconductors, luminescent tubes, and dyes. Reports may vary based on instrumentation.