2,4,5-TP (Silvex)
City of New Bern
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.
28
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 | 14 | 0 | ND |
| 2015 | N/A | 0 | 0 | N/A |
| 2016 | N/A | 0 | 0 | N/A |
| 2017 | ND | 14 | 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 |
|---|---|---|
| 2014-02-03 | 8476-020314-002S | ND |
| 2014-02-03 | 8476-020314-004S | ND |
| 2014-02-03 | 8476-020314-005S | ND |
| 2014-02-03 | 8476-020314-EPAS | ND |
| 2014-02-03 | 8476-020314-001S | ND |
| 2014-02-06 | 8476-020614-EPBS | ND |
| 2014-03-20 | 8476-032014-003S | ND |
| 2014-05-08 | 8476-050814-005S | ND |
| 2014-05-08 | 8476-050814-EPBS | ND |
| 2014-05-08 | 8476-050814-004S | ND |
| 2014-05-08 | 8476-050814-003S | ND |
| 2014-05-08 | 8476-050814-002S | ND |
| 2014-05-08 | 8476-050814-001S | ND |
| 2014-05-13 | 8476-051314-EPAS | ND |
| 2017-01-09 | 37729_17-00987 | ND |
| 2017-01-09 | 37729_17-00988 | ND |
| 2017-01-09 | 37729_17-00989 | ND |
| 2017-01-09 | 37729_17-00990 | ND |
| 2017-01-09 | 37729_17-00991 | ND |
| 2017-01-09 | 37729_17-00992 | ND |
| 2017-01-11 | 37729_17-01124 | ND |
| 2017-04-03 | 37729_17-11361 | ND |
| 2017-04-03 | 37729_17-11363 | ND |
| 2017-04-03 | 37729_17-11364 | ND |
| 2017-04-03 | 37729_17-11365 | ND |
| 2017-04-03 | 37729_17-11376 | ND |
| 2017-04-03 | 37729_17-11377 | ND |
| 2017-04-05 | 37729_17-11347 | ND |