2,4,5-TP (Silvex)
Brooklyn 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.
Testing results - average by year
Year | Average result | Samples taken | Detections | Range of results |
---|---|---|---|---|
2014 | ND | 2 | 0 | ND |
2015 | N/A | 0 | 0 | N/A |
2016 | ND | 4 | 0 | ND |
2017 | ND | 2 | 0 | ND |
2018 | ND | 2 | 0 | ND |
2019 | ND | 2 | 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 |
---|---|---|
2014-06-02 | 14F0036-01 | ND |
2014-09-02 | 14I0016-02 | ND |
2016-03-29 | 3421424 | ND |
2016-05-31 | 3461074 | ND |
2016-06-16 | 3473360 | ND |
2016-06-16 | 3473388 | ND |
2017-08-17 | 17H1429-02 | ND |
2017-12-18 | 17L0650-01 | ND |
2018-05-15 | 18E1224-01 | ND |
2018-08-13 | 18H1037-01 | ND |
2019-07-22 | 19G1527-03 | ND |
2019-10-17 | 19J1046-01 | ND |