o-toluidine
City of Mountlake Terrace
NOTE: City of Mountlake Terrace purchases water from Alderwood Water District which is required to test for o-toluidine . Sample information shown below was taken by Alderwood Water District.
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 | ND | 1 | 0 | ND |
| 2019 | ND | 3 | 0 | ND |
ppb = parts per billion
All test results
NOTE: City of Mountlake Terrace purchases water from Alderwood Water District which is required to test for o-toluidine . Sample information shown below was taken by Alderwood Water District.
| Date | Lab ID | Result |
|---|---|---|
| 2018-02-06 | 18-04154-8572 | ND |
| 2018-05-08 | 18-16312-33499 | ND |
| 2018-08-08 | 18-29762-60144 | ND |
| 2019-01-09 | 18-42196-85856A | ND |