2,4,5-TP (Silvex)
IL American - Pekin
2(2,4,5-trichlorophenoxy) propionic acid (2,4,5-TP or Silvex) is a cancer-causing herbicide banned in the U.S. in 1985 because of its toxicity. It is still detected as a groundwater contaminant in areas where it was sprayed or stored.
30
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 |
|---|---|---|---|---|
| 2013 | N/A | 0 | 0 | N/A |
| 2014 | ND | 14 | 0 | ND |
| 2015 | N/A | 0 | 0 | N/A |
| 2016 | N/A | 0 | 0 | N/A |
| 2017 | ND | 14 | 0 | ND |
| 2018 | ND | 2 | 0 | ND |
| 2019 | N/A | 0 | 0 | N/A |
ppb = parts per billion
State and national drinking water standards and health guidelines
EWG Health Guideline 3 ppb
The EWG Health Guideline of 3 ppb for 2,4,5-TP was defined by the California Office of Environmental Health Hazard Assessment as a public health goal, the level of a drinking water contaminant that does not pose a significant health risk. This health guideline protects against harm to internal organs.
EPA Maximum Contaminant
Level (MCL) 50 ppb
ppb = parts per billion
All test results
| Date | Lab ID | Result |
|---|---|---|
| 2014-01-06 | 24365601 | ND |
| 2014-01-06 | 24365301 | ND |
| 2014-01-20 | 24366201 | ND |
| 2014-01-20 | 24367201 | ND |
| 2014-01-21 | 24366001 | ND |
| 2014-01-21 | 24366501 | ND |
| 2014-01-22 | 24366901 | ND |
| 2014-04-21 | 25163301 | ND |
| 2014-04-21 | 25163501 | ND |
| 2014-04-21 | 25164001 | ND |
| 2014-04-28 | 25164701 | ND |
| 2014-04-28 | 25165001 | ND |
| 2014-04-28 | 25164401 | ND |
| 2014-04-28 | 25164201 | ND |
| 2017-01-09 | 34207401 | ND |
| 2017-01-09 | 34207601 | ND |
| 2017-01-09 | 34209201 | ND |
| 2017-01-09 | 34208201 | ND |
| 2017-01-10 | 34208001 | ND |
| 2017-01-10 | 34208901 | ND |
| 2017-01-10 | 34208501 | ND |
| 2017-04-04 | 35269201 | ND |
| 2017-04-04 | 35269401 | ND |
| 2017-04-11 | 35269501 | ND |
| 2017-04-11 | 35269601 | ND |
| 2017-04-11 | 35269701 | ND |
| 2017-04-11 | 35269301 | ND |
| 2017-04-11 | 35210601 | ND |
| 2018-10-30 | 18J0987-01_02 | ND |
| 2018-10-30 | 18J0987-02_02 | ND |