Know Your Environment. Protect Your Health.

2,4,5-TP (Silvex)

Morrisville State College

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.

 

16

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND30ND
2019ND30ND
2020ND30ND
2021ND30ND
2022ND30ND
2023ND10ND

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
2018-06-0706071808CND
2018-06-0706071810CND
2018-06-0706071809CND
2019-05-3005301907CND
2019-05-3005301908CND
2019-05-3005301909CND
2020-05-2105212003C SOCND
2020-05-2105212001C SOCND
2020-05-2105212002C SOCND
2021-06-0906092106CND
2021-06-0906092107CND
2021-06-0906092108CND
2022-06-0906092205CND
2022-06-0906092206CND
2022-06-0906092204CND
2023-06-21EHS2300034560SOCND