Know Your Environment. Protect Your Health.

1,2,4-Trichlorobenzene

Swta - Main System

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

 

35

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND60ND
2019ND50ND
2020ND70ND
2021ND50ND
2022ND50ND
2023ND70ND

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
2018-01-098012152-02ND
2018-04-108042613-02ND
2018-04-108042612-01ND
2018-04-108042612-02ND
2018-04-108042612-03ND
2018-04-108042612-04ND
2019-04-239044997-01ND
2019-04-239044997-02ND
2019-04-239044997-03ND
2019-04-239044997-04ND
2019-04-239044997-05ND
2020-04-1422080212.00ND
2020-04-1422080275.00ND
2020-04-1422080191.00ND
2020-04-1422080170.00ND
2020-04-1422080149.00ND
2020-04-1422080233.00ND
2020-04-1422080254.00ND
2021-04-0624301745.00ND
2021-04-0624301808.00ND
2021-04-0624301766.00ND
2021-04-0624301787.00ND
2021-04-0624301829.00ND
2022-05-3126899443.00ND
2022-05-3126899506.00ND
2022-05-3126899464.00ND
2022-05-3126899485.00ND
2022-05-3126899527.00ND
2023-04-0428761045.00ND
2023-04-0428761042.00ND
2023-04-0428761047.00ND
2023-04-0428761046.00ND
2023-04-0428761044.00ND
2023-04-0428761043.00ND
2023-12-1230296267.00ND