Know Your Environment. Protect Your Health.

2,4,5-TP (Silvex)

Medfield Estates S/d

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.

 

10

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND40ND
2019ND10ND
2020N/A00N/A
2021ND40ND
2022ND10ND
2023N/A00N/A

ppb = parts per billion

State, National, and Health Guidelines for Drinking Water

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
2018-02-05CA18367-01ND
2018-04-05CB03434-02ND
2018-04-12CB05700-01ND
2018-05-02CB06590-01ND
2019-04-16CC04241-01ND
2021-01-20CD18671-01ND
2021-05-20CE02776-01ND
2021-05-20CE02776-02ND
2021-05-20CE02776-03ND
2022-06-15CF02387-01ND