Tribufos
City of West Richland
NOTE: City of West Richland purchases water from City of Richland which is required to test for tribufos. Sample information shown below was taken by City of Richland.
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.
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 |
|---|---|---|---|---|
| 2018 | ND | 10 | 0 | ND |
| 2019 | ND | 2 | 0 | ND |
| 2020 | ND | 2 | 0 | ND |
| 2021 | N/A | 0 | 0 | N/A |
| 2022 | N/A | 0 | 0 | N/A |
| 2023 | N/A | 0 | 0 | N/A |
ppb = parts per billion
All test results
NOTE: City of West Richland purchases water from City of Richland which is required to test for tribufos. Sample information shown below was taken by City of Richland.
| Date | Lab ID | Result |
|---|---|---|
| 2019-04-09 | 19-12704-25801 | ND |
| 2019-04-09 | 19-12704-25800 | ND |
| 2019-04-09 | 19-12704-25798 | ND |
| 2019-04-09 | 19-12704-25799 | ND |
| 2019-07-09 | 19-25923-50395 | ND |
| 2019-07-09 | 19-25923-50396 | ND |
| 2019-10-29 | 19-41720-80839 | ND |
| 2019-10-29 | 19-41720-80840 | ND |
| 2019-11-19 | 19-45115-87256 | ND |
| 2019-11-19 | 19-45115-87257 | ND |
| 2020-01-08 | 20-01323-2539 | ND |
| 2020-01-08 | 20-01323-2540 | ND |