2,4,5-TP (Silvex)
Loves Park
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 | N/A | 0 | 0 | N/A |
| 2015 | ND | 10 | 0 | ND |
| 2016 | N/A | 0 | 0 | N/A |
| 2017 | N/A | 0 | 0 | N/A |
| 2018 | ND | 10 | 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 |
|---|---|---|
| 2015-07-13 | 5072916-02 | ND |
| 2015-07-13 | 5072916-03 | ND |
| 2015-07-13 | 5072916-04 | ND |
| 2015-07-13 | 5072916-01 | ND |
| 2015-07-14 | 5072916-05 | ND |
| 2015-11-16 | 5113115-01 | ND |
| 2015-11-16 | 5113115-02 | ND |
| 2015-11-16 | 5113115-03 | ND |
| 2015-11-16 | 5113115-04 | ND |
| 2015-11-16 | 5113115-05 | ND |
| 2018-07-30 | 8075430-05 | ND |
| 2018-07-30 | 8075430-04 | ND |
| 2018-07-30 | 8075430-03 | ND |
| 2018-07-30 | 8075430-02 | ND |
| 2018-07-30 | 8075430-01 | ND |
| 2018-10-29 | 8105706-05 | ND |
| 2018-10-29 | 8105706-04 | ND |
| 2018-10-29 | 8105706-03 | ND |
| 2018-10-29 | 8105706-02 | ND |
| 2018-10-29 | 8105706-01 | ND |