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Our lead wheel weight educational awareness hypothesis is: "If the public becomes more aware of the environmental dangers of lead wheel weights and is given alternative wheel balancing choices then there will be a decrease in lead entering the environment." TEAM DEAD WEIGHT Our team lead wheel weight experimental hypothesis is: "If lead wheel weights are exposed to natural environmental conditions then soluble hazardous lead compounds will be formed.” |
Acetic acid producing landfill bacteria convert landfill sugars to acetic acid which then reacts readily with wheel weight lead to form highly mobile toxic lead acetate compounds. |
Science research team "Dead Weight" recognizes the
need to protect the public from exposure to lead hazards.
There are no federal regulatory controls governing use of lead
wheel weights. Environmental health hazards associated with lead
wheel weights are a preventable problem. People are exposed to
lead fragments and dust when lead wheel weights fall from motor
vehicles onto the nation's roadways and are then abraded and
pulverized by traffic. Lead wheel weights on and alongside roadways
can contribute to soil, surface and groundwater contamination and
pose hazards to downstream aquatic life.
Lead negatively affects every bodily system. While it is
injurious to people of all ages, lead is especially harmful to
fetuses,children, and adults of childbearing age. Effects of lead
on a child's cognitive, behavioral, and developmental abilities may
necessitate large expenditures of public funds for health care and
special education. Irreversible damage to children and subsequent
expenditures could be avoided if exposure to lead is reduced.
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