Know Your Environment. Protect Your Health.

1,2,4-Trichlorobenzene

Aqua Pa Bristol

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

 

23

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND20ND
2019ND30ND
2020ND50ND
2021ND50ND
2022ND60ND
2023ND20ND

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
2018-02-02AF75113ND
2018-02-22AF76987ND
2019-02-01AG07157ND
2019-03-07AG10696ND
2019-04-12AG14108ND
2020-01-1021483475.00ND
2020-04-0322002012.00ND
2020-04-0922002033.00ND
2020-07-1022586032.00ND
2020-10-2323162717.00ND
2021-01-1523692346.00ND
2021-02-0523869120.00ND
2021-05-1424417525.00ND
2021-07-0924807868.00ND
2021-10-0825383920.00ND
2022-01-1425922404.00ND
2022-02-0326099332.00ND
2022-04-0126443303.00ND
2022-04-0826443324.00ND
2022-07-0827016769.00ND
2022-11-0827804048.00ND
2023-01-2728152908.00ND
2023-02-1628330619.00ND