Fig. 3. Temporal variation of the concentration of atrazine, cyanazine, simazine, propazine, and stream flow for the Delaware River, KS and Iroquois River, IL, 1990.
Fig. 3. Temporal variation of the concentration of atrazine, cyanazine, simazine, propazine, and stream flow for the Delaware River, KS and Iroquois River, IL, 1990.