2,4,5-TP (Silvex)
E Stroudsburg Boro Water Dept
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.
20
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 | 10 | 0 | ND |
| 2015 | N/A | 0 | 0 | N/A |
| 2016 | N/A | 0 | 0 | N/A |
| 2017 | ND | 10 | 0 | ND |
| 2018 | N/A | 0 | 0 | N/A |
| 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 |
|---|---|---|
| 2014-04-23 | 14043845-001 | ND |
| 2014-04-30 | 14044952-001 | ND |
| 2014-04-30 | 14044952-002 | ND |
| 2014-04-30 | 14044952-003 | ND |
| 2014-04-30 | 14044952-004 | ND |
| 2014-07-28 | 14073078-001 | ND |
| 2014-09-22 | 14091939-001 | ND |
| 2014-09-22 | 14091939-002 | ND |
| 2014-09-22 | 14091939-003 | ND |
| 2014-09-22 | 14091939-004 | ND |
| 2017-05-22 | 16113518 | ND |
| 2017-05-22 | 16113483 | ND |
| 2017-05-22 | 16113448 | ND |
| 2017-05-22 | 16113413 | ND |
| 2017-05-22 | 16113378 | ND |
| 2017-08-21 | 16584717 | ND |
| 2017-08-21 | 16584751 | ND |
| 2017-08-21 | 16584785 | ND |
| 2017-08-21 | 16584683 | ND |
| 2017-09-26 | 16744144 | ND |