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Latest Lead(II) oxide Stories

2011-02-10 14:57:37

When the EPA phased out the widespread residential use of chlorpyrifos and other organophosphorus (OP) insecticides in 2000-2001 because of risks to child neurodevelopment, these compounds were largely replaced with pyrethroid insecticides.


Word of the Day
shotta
  • An armed gangster.
The word 'shotta' is an alteration of 'shooter'.