Title: Groundwater contamination by atrazine and its metabolites. Risk assessment, policy and legal implications.
Personal Authors: Belluck, D. A.,
Benjamin, S. L.,
Dawson, T.Author Affiliation: Minnesota Pollution Control Agency, 520 Lafayette Road, St. Paul, MN 55155, USA.
Editors: No editors
Document Title: ACS Symposium Series
Abstract: Results of recent sampling in the USA and Canada indicate that atrazine and its metabolites, the principle ones of which are as toxic as the parent compound, can occur alone or in combination in groundwater. Total residues of atrazine + its metabolites may exceed atrazine regulatory limits even though atrazine does not. It is suggested that routine monitoring of atrazine and its metabolites should be undertaken to enable total resource degradation and potential human health risks to be appropriately evaluated. Options discussed for the regulation of atrazine metabolites in groundwater include increasing the stringency of current regulatory limits for atrazine to account for the potential toxicity of the unmeasured metabolites.
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