Know Your Environment. Protect Your Health.

1,2,4-Trichlorobenzene

Erwin Utilities

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

 

17

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND40ND
2019ND40ND
2020ND20ND
2021ND50ND
2022ND20ND
2023N/A00N/A

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
2018-02-22ND
2018-06-13ND
2018-08-02ND
2018-10-23ND
2019-03-12ND
2019-05-08ND
2019-08-13ND
2019-12-12ND
2020-02-11ND
2020-02-11ND
2021-02-10ND
2021-06-29ND
2021-06-29ND
2021-11-08ND
2021-11-08ND
2022-02-15ND
2022-05-11ND