o-toluidine
Melrose Water Department (MWRA)
NOTE: Melrose Water Department (MWRA) purchases water from Massachusetts Water Resources Authority (MWRA) which is required to test for o-toluidine . Sample information shown below was taken by Massachusetts Water Resources Authority (MWRA).
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.
Samples
Samples exceeding legal limit (MCL)
Samples exceeding
health guidelines
Testing results - average by year
| Year | Average result | Samples taken | Detections | Range of results |
|---|---|---|---|---|
| 2013 | N/A | 0 | 0 | N/A |
| 2014 | N/A | 0 | 0 | N/A |
| 2015 | N/A | 0 | 0 | N/A |
| 2016 | N/A | 0 | 0 | N/A |
| 2017 | N/A | 0 | 0 | N/A |
| 2018 | N/A | 0 | 0 | N/A |
| 2019 | N/A | 0 | 0 | N/A |
ppb = parts per billion
All test results
NOTE: Melrose Water Department (MWRA) purchases water from Massachusetts Water Resources Authority (MWRA) which is required to test for o-toluidine . Sample information shown below was taken by Massachusetts Water Resources Authority (MWRA).
| Date | Result |
|---|