2,4,5-T
City of Friendswood
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.
Testing results - average by year
Year | Average result | Samples taken | Detections | Range of results |
---|---|---|---|---|
2013 | N/A | 0 | 0 | N/A |
2014 | ND | 6 | 0 | ND |
2015 | N/A | 0 | 0 | N/A |
2016 | N/A | 0 | 0 | N/A |
2017 | ND | 4 | 0 | ND |
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 |
---|---|---|
2014-02-20 | AC43923 | ND |
2014-02-20 | AC43917 | ND |
2014-02-20 | AC43918 | ND |
2014-02-20 | AC43921 | ND |
2014-02-20 | AC43916 | ND |
2014-03-20 | AC47838 | ND |
2017-01-19 | AD65851 | ND |
2017-01-19 | AD65846 | ND |
2017-01-19 | AD65845 | ND |
2017-05-03 | AD82524 | ND |