o-toluidine
City of San Juan
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.
8
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 | N/A | 0 | 0 | N/A |
| 2019 | ND | 7 | 0 | ND |
ppb = parts per billion
All test results
| Date | Lab ID | Result |
|---|---|---|
| 2019-01-15 | Q1902105001 | ND |
| 2019-04-22 | Q1915925001 | ND |
| 2019-04-22 | Q1915925002 | ND |
| 2019-07-16 | Q1945344001 | ND |
| 2019-07-16 | Q1945344002 | ND |
| 2019-10-08 | Q1971743001 | ND |
| 2019-10-08 | Q1971743002 | ND |
| 2020-01-29 | Q2003576001 | ND |