In extreme cases, aviophobia symptoms may include an episode of regurgitation, lose of bowel control, and losing consciousness. A strong sense of shame and being a failure is often present in people suffering with this type of phobia.
Other batteries, such as AAA, AA, C, and D alkaline; atomic; and lithium-ion batteries, do not contain mercury. Mercury Use in Batteries. Table 1 presents the total amount of mercury contained in mercury batteries sold in the U.S. in years 2001, 2004, and 2007.4.
There are restrictions for mercury concentration in packaging (the limit is 100 ppm for sum of mercury, lead, hexavalent chromium and cadmium) and batteries (the limit is 5 ppm). In July 2007, the European Union also banned mercury in non-electrical measuring devices, such as thermometers and barometers.