Know Your Environment. Protect Your Health.

1,2,4-Trichlorobenzene

Ferron - Castle Valley Special Service District

1,2,4-Trichlorobenzene is an industrial solvent that can harm the adrenal glands and may increase the risk of cancer.

 

30

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND50ND
2019ND50ND
2020ND50ND
2021ND50ND
2022ND50ND
2023ND50ND

ppb = parts per billion

State, National, and Health Guidelines for Drinking Water

EWG Health Guideline: 5 ppb

The EWG Health Guideline of 5 ppb for 1,2,4-trichlorobenzene 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 hormone disruption.

EPA Maximum Contaminant
Level (MCL): 70 ppb

The legal limit for 1,2,4-trichlorobenzene, established in 1992, was based on a toxicity study in laboratory animals conducted in 1981. This limit may not fully protect against hormone disruption.

ppb = parts per billion

All test results

Date Result
2018-02-20ND
2018-05-22ND
2018-08-22ND
2018-11-14ND
2018-12-12ND
2019-02-20ND
2019-05-21ND
2019-08-20ND
2019-08-20ND
2019-11-19ND
2020-02-19ND
2020-05-19ND
2020-08-18ND
2020-08-18ND
2020-11-17ND
2021-02-17ND
2021-05-26ND
2021-09-07ND
2021-09-15ND
2021-12-09ND
2022-02-22ND
2022-06-21ND
2022-08-24ND
2022-08-24ND
2022-11-29ND
2023-02-22ND
2023-06-21ND
2023-09-06ND
2023-09-06ND
2023-11-14ND