Tribufos
Jefferson County PWSD1
NOTE: Jefferson County PWSD1 purchases water from Missouri American St. Louis County & St. Charles County which is required to test for tribufos. Sample information shown below was taken by Missouri American St. Louis County & St. Charles County.
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.
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 | N/A | 0 | 0 | N/A |
| 2019 | ND | 4 | 0 | ND |
ppb = parts per billion
All test results
NOTE: Jefferson County PWSD1 purchases water from Missouri American St. Louis County & St. Charles County which is required to test for tribufos. Sample information shown below was taken by Missouri American St. Louis County & St. Charles County.
| Date | Lab ID | Result |
|---|---|---|
| 2019-03-12 | 43202701 | ND |
| 2019-03-12 | 43201901 | ND |
| 2019-03-12 | 43199701 | ND |
| 2019-03-12 | 43200701 | ND |
| 2019-06-12 | 44591301 | ND |
| 2019-06-12 | 44585301 | ND |
| 2019-06-12 | 44582601 | ND |
| 2019-06-12 | 44583801 | ND |
| 2019-09-12 | 46391301 | ND |
| 2019-09-12 | 46390201 | ND |
| 2019-09-12 | 46387401 | ND |
| 2019-09-12 | 46388601 | ND |
| 2019-12-10 | 47534701 | ND |
| 2019-12-10 | 47533801 | ND |
| 2019-12-10 | 47531501 | ND |
| 2019-12-10 | 47532501 | ND |