Dubuque Water Works
The synthetic chemical o-toluidine is used to manufacture pesticides, dyes and other industrial chemicals. The International Agency for Research on Cancer has classified o-toluidine as carcinogenic to humans, and it may also harm the nervous system, kidneys and bladder.
Testing results - average by year
|Year||Average result||Samples taken||Detections||Range of results|
ppb = parts per billion
All test results