2,4,5-TP (Silvex)
Collins/gowanda Correctional Facilities
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.
11
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 | 2 | 0 | ND |
| 2015 | ND | 5 | 0 | ND |
| 2016 | ND | 1 | 0 | ND |
| 2017 | ND | 1 | 0 | ND |
| 2018 | ND | 1 | 0 | ND |
| 2019 | ND | 1 | 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 |
|---|---|---|
| 2014-03-11 | SOCS 1ST Q 2014 | ND |
| 2014-05-12 | 480-59767-1 | ND |
| 2015-01-29 | 480-474814-1 JAN | ND |
| 2015-04-10 | 480-78301-1 | ND |
| 2015-04-10 | 480-78302-1 | ND |
| 2015-07-15 | 480-83980-1B | ND |
| 2015-10-06 | 480-88507-1 4TH | ND |
| 2016-01-28 | 480-94470-1 SOCS | ND |
| 2017-08-08 | 480-122485-1-SOC | ND |
| 2018-03-05 | 480-132297-1SOC | ND |
| 2019-08-13 | EHS1900040899-SR | ND |