(a) Please explain the justification for setting a reference dose for perchlorate that is 23 times higher than the reference dose proposed by EPA in 2002? Answer: On February 18, 2005, EPA established a reference dose of 0.0007 mg/kg/dayanbsp;...
|Title||:||Environmental Protection Agency's fiscal year 2006 budget|
|Author||:||United States. Congress. Senate. Committee on Environment and Public Works|
|Publisher||:||Government Printing Office - 2007|