The anti-knock tetraethyl lead that was added to gas-guzzling cars of the 1960s polluted the air and eventually found its way into the water supply.
12.
She focused her explorations on occupational toxic disorders, examining the effects of substances such as mercury, tetraethyl lead, radium, benzene, carbon disulfide and hydrogen sulfide gases.
13.
Worldwide, sales of tetraethyl lead _ as the lead in leaded gasoline is called _ are declining at a rate of about 9 percent a year.
14.
Tetraethyl lead prices have risen even as the markets for the product have disappeared, because competitors aren't exactly lining up to get into this shrinking business.
15.
Within months after tetraethyl lead was formulated at a General Motors laboratory in Dayton, Ohio, in 1922, scientists began to warn of the public health dangers.
16.
When tetraethyl lead ( TEL ) was invented as a gasoline additive back in the 1920s, it was found to leave a corrosive byproduct in the engine.
17.
It is not known how many testers made the mistake of using the leaded pump gas of the era; the tetraethyl lead left debilitating deposits within the engine.
18.
Widespread adoption of catalytic converters did not occur until more stringent emission control regulations forced the removal of the anti-knock agent tetraethyl lead from most types of gasoline.
19.
"Our strategy is to maintain earnings in tetraethyl lead as volume declines and try to grow the lubrication additives business, " said John Patton, director of investor relations.
20.
Tetraethyl lead could be drawn as a swastika, but as above in 3D it doesn't have this structure . talk ) 16 : 03, 5 March 2008 ( UTC)
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