Know Your Environment. Protect Your Health.

1,2,4-Trichlorobenzene

Eunice Water System (LAWCO)

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

 

18

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND20ND
2019ND60ND
2020N/A00N/A
2021ND20ND
2022ND20ND
2023ND60ND

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
2018-09-2435420588001ND
2018-09-2435420588001ND
2019-04-2235464160002ND
2019-04-2235464160003ND
2019-04-2235464160001ND
2019-04-2235464160002ND
2019-04-2235464160003ND
2019-04-2235464160001ND
2021-04-1935627657002ND
2021-04-1935627657001ND
2022-03-2135705902001ND
2022-03-2135705902002ND
2023-02-2735782726001ND
2023-06-2635809403001ND
2023-09-1135827498001ND
2023-11-1335841897001ND
2023-11-1335841897002ND
2023-11-1335841897003ND