Results greater than 20 micrograms per liter (20μg/L) may indicate a hazardous level of mercury in the body. If urine results are elevated, there is an exposure source which is not fish. This is not the right test for mercury from fish. Urine - A urine test is the best test to evaluate ongoing exposure to mercury, such as exposure at work.All positive tests should be repeated to be sure they are correct. If you suspect exposure at home, testing other family members can help to see if this is true. If you think you have been exposed to mercury, a test will help determine how much has gotten into your body. Mercury can be measured in urine, blood, and hair. Workplaces which may release mercury into the air, soil, or water include municipal incinerators, power plants, hazardous waste sites, dentist offices, hospitals, and manufacturers of products containing mercury listed in numbers 1., 3., and 4. Phenylmercury can also pass through the skin and is toxic this way or if swallowed.Īll types of mercury, except methylmercury, can contaminate drinking water or be released to create air pollution. When these products are used, mercury metal vapor gets into the air and can be breathed. Phenylmercury is used to control the growth of fungus in some interior latex paints manufactured before 1991, some exterior and oil base paints, some caulks, some eye-area cosmetics, toiletries, and other products. Inorganic mercury compounds may be harmful if breathed or swallowed. They are also found in some over-the-counter drugs such as thimerosol tincture, merthiolate tincture, some types of mercurochrome, some ointments and nasal sprays, and some herbal medicines.
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