Epidemiological studies of potential effects of phthalates on humans are needed, but getting good results could take many years. What action should society take now? Explain (a) In those countries...

Epidemiological studies of potential effects of phthalates on humans are needed, but getting good results could take many years. What action should society take now? Explain

(a) In those countries that have not yet banned lead in gasoline, how could small children be exposed to the lead? (b) How do they continue to be exposed years after lead has been banned from gasoline?