2,4,5-T
City of Tumwater
2,4,5-Trichlorophenoxyacetic acid (2,4,5-T) is a herbicide banned in the U.S. since 1985. It was formerly used on residential and commercial lawns, and occasionally on food crops. 2,4,5-T contained the impurity dioxin, which is highly toxic to people and wildlife.
6
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 | ND | 1 | 0 | ND |
| 2015 | ND | 2 | 0 | ND |
| 2016 | ND | 3 | 0 | ND |
| 2017 | N/A | 0 | 0 | N/A |
| 2018 | N/A | 0 | 0 | N/A |
| 2019 | N/A | 0 | 0 | N/A |
ppb = parts per billion
All test results
| Date | Lab ID | Result |
|---|---|---|
| 2014-08-26 | 38143 | ND |
| 2015-07-01 | 29731 | ND |
| 2015-08-11 | 37259 | ND |
| 2016-06-01 | ND | |
| 2016-08-31 | ND | |
| 2016-08-31 | ND |