Know Your Environment. Protect Your Health.

1,2,4-Trichlorobenzene

Stringer Water Works

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

 

14

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND10ND
2019ND20ND
2020ND20ND
2021ND20ND
2022ND50ND
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
2018-09-18180919-002VOND
2019-01-28190129-011VOND
2019-01-28190129-012VOND
2020-04-21200422-007VOND
2020-04-21200422-008VOND
2021-08-31VO-210901-009ND
2021-09-14VO-210915-013ND
2022-02-08VO-220209-010ND
2022-02-08VO-220209-011ND
2022-06-07VO-220608-025ND
2022-06-07VO-220608-026ND
2022-06-07VO-220608-027ND
2023-01-31VO-230201-016ND
2023-01-31VO-230201-017ND