Know Your Environment. Protect Your Health.

1,2,4-Trichlorobenzene

Joyceville-holly Grove

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

 

11

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
2019ND20ND
2020ND40ND
2021ND10ND
2022ND30ND
2023ND10ND

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
2019-10-0219J0094-05ND
2019-11-2119K1016-01ND
2020-01-1620A0783-03ND
2020-04-1420D0580-02ND
2020-08-0520H0238-02ND
2020-11-1620K0762-02ND
2021-01-0721A0279-02ND
2022-02-0322B0374-02ND
2022-10-2522J1233-02ND
2022-11-1522K0789-01ND
2023-02-1423B0896-03ND