Fig. 4. Profiles of commonly detected triazine and acetamide herbicides and their metabolites in the unconfined aquifer, fall 1997. DEA, deethylatrazine; DIA, deisopropylatrazine; ESA, ethane sulfonic acid.
Fig. 4. Profiles of commonly detected triazine and acetamide herbicides and their metabolites in the unconfined aquifer, fall 1997. DEA, deethylatrazine; DIA, deisopropylatrazine; ESA, ethane sulfonic acid.