Background efficiency and linear sorption coefficient (Kd) of two tracers (FD&C Blue 1 and rhodamine WT) in different horizons near (8,) the buffer strip.

Percent % is on a mass basis Parameters relative to B horizons are averages fro the B1 and B2 horizons. Background efficiency and linear sorption coefficient (Kd) of two tracers (FD&C Blue 1 and rhodamine WT) in different horizons near (8,) the buffer strip.