Occurrence of glyphosate in surface waters of Southern Ontario.

Abstract:

:Glyphosate in surface waters of southern Ontario (Canada) was studied over a 2-year period. A small percentage of samples exhibited glyphosate concentrations greater than the analytical limit of quantitation (17 microg a.e./L), and the maximum concentration of glyphosate measured was 40.8 microg/L. No samples of roughly 500 analyzed exceeded the Canadian Water Quality Guideline of 65 microg a.e./L considered protective of aquatic life. Typical concentrations of glyphosate in amphibian habitats were well below a range of toxicity thresholds for aquatic organisms, and were thus judged to be unlikely to pose a substantial risk to either sensitive amphibian larvae or other aquatic biota.

authors

Struger J,Thompson D,Staznik B,Martin P,McDaniel T,Marvin C

doi

10.1007/s00128-008-9373-1

subject

Has Abstract

pub_date

2008-04-01 00:00:00

pages

378-84

issue

4

eissn

0007-4861

issn

1432-0800

journal_volume

80

pub_type

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