2,4,5-TP (Silvex)
Kiryas Joel Village
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.
17
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 | 5 | 0 | ND |
| 2015 | N/A | 0 | 0 | N/A |
| 2016 | N/A | 0 | 0 | N/A |
| 2017 | ND | 5 | 0 | ND |
| 2018 | ND | 4 | 0 | ND |
| 2019 | ND | 3 | 0 | ND |
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 |
|---|---|---|
| 2014-08-20 | 298170-01(SOCS) | ND |
| 2014-08-20 | 298168-01(SOCS) | ND |
| 2014-08-20 | 298171-01(SOCS) | ND |
| 2014-08-20 | 298169-01(SOCS) | ND |
| 2014-10-28 | 300238-01(SOCS) | ND |
| 2017-03-30 | 42001269(SOCS) | ND |
| 2017-08-28 | 331954-01(SOCS) | ND |
| 2017-08-28 | 331949-01(SOCS) | ND |
| 2017-08-28 | 331951-01(SOCS) | ND |
| 2017-08-28 | 331947-01(SOCS) | ND |
| 2018-06-19 | 341804-01(SOCS) | ND |
| 2018-06-19 | 341804-01SOC | ND |
| 2018-06-28 | 342280-01SOC | ND |
| 2018-12-19 | 7074497001SOC | ND |
| 2019-03-12 | 7082717001SOC | ND |
| 2019-08-07 | 70100234SOC | ND |
| 2019-11-26 | 357081-01SOC | ND |