Know Your Environment. Protect Your Health.

1,2,4-Trichlorobenzene

Clare, City of

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

 

41

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018N/A00N/A
2019N/A00N/A
2020ND100ND
2021ND110ND
2022ND100ND
2023ND100ND

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 Lab ID Result
2020-01-08ND
2020-01-08ND
2020-01-08ND
2020-01-08ND
2020-04-14ND
2020-04-14ND
2020-07-01ND
2020-07-01ND
2020-10-14ND
2020-10-14ND
2021-01-05ND
2021-01-05ND
2021-01-05ND
2021-01-05ND
2021-04-07ND
2021-04-07ND
2021-06-03ND
2021-07-07ND
2021-07-07ND
2021-10-05ND
2021-10-05ND
2022-01-10ND
2022-01-10ND
2022-01-10ND
2022-01-10ND
2022-04-06ND
2022-04-06ND
2022-07-13ND
2022-07-13ND
2022-10-05ND
2022-10-05ND
2023-01-11ND
2023-01-11ND
2023-01-11ND
2023-01-11ND
2023-04-05ND
2023-04-05ND
2023-07-05ND
2023-07-05ND
2023-10-04ND
2023-10-04ND