Tribufos
Derry Water Department
NOTE: Derry Water Department purchases water from Manchester Water Works which is required to test for tribufos. Sample information shown below was taken by Manchester Water Works.
Tribufos is an organophosphate pesticide used on cotton. Exposure to tribufos can harm the nervous system and liver, and it is classified as likely to be carcinogenic to humans.
3
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 | 3 | 0 | ND |
| 2019 | N/A | 0 | 0 | N/A |
ppb = parts per billion
All test results
NOTE: Derry Water Department purchases water from Manchester Water Works which is required to test for tribufos. Sample information shown below was taken by Manchester Water Works.
| Date | Lab ID | Result |
|---|---|---|
| 2018-01-17 | U8A0012-01 | ND |
| 2018-08-06 | U8H0049-01 | ND |
| 2018-10-17 | U8J0021-01 | ND |