EPA fact sheet.
http://www.epa.gov/opprd001/factsheets/azoxystr.pdf
Interestingly, they referring to it as a pesticide for turf grass. But, the "pests" are fungal in nature.
Note:
"Dietary exposure assessments were not performed because the
proposed registration does not contain food uses. Dietary
exposure from drinking water is conservatively estimated at 10%
of the RfD due to lack of data. Exposure to Azoxystrobin is
therefore not expected to exceed the level of concern from use on
commercial Turf and golf courses"