In general, the strictest standards with the lowest acceptable levels are the
A) criterion continuous concentration (CCC) values.
B) criteria maximum concentration (CMC) values.
C) maximum contaminant levels.
D) standards for saltwater systems.
Question 2
The 2008 and 2012 projections for U.S. population growth are significantly greater than projections made in 1989 because the more recent projections include
A) a higher fertility rate.
B) higher levels of immigration.
C) higher fertility rates and higher levels of immigration.
D) higher rates of infant mortality and emigration.
