o-toluidine
Concord Water Department
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.
12
Samples
0
Samples exceeding legal limit (MCL)
0
Samples exceeding
health guidelines
Testing results - average by year
| Year | Average result | Samples taken | Detections | Range of results |
|---|---|---|---|---|
| 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 | ND | 10 | 0 | ND |
| 2019 | ND | 2 | 0 | ND |
ppb = parts per billion
All test results
| Date | Result |
|---|---|
| 2018-05-10 | ND |
| 2018-05-10 | ND |
| 2018-05-14 | ND |
| 2018-05-16 | ND |
| 2018-05-29 | ND |
| 2018-05-31 | ND |
| 2018-08-06 | ND |
| 2018-12-10 | ND |
| 2018-12-28 | ND |
| 2018-12-28 | ND |
| 2019-01-10 | ND |
| 2019-01-29 | ND |