Know Your Environment. Protect Your Health.

1,2,4-Trichlorobenzene

City of Plaquemine Water System

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

 

27

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
2019ND100ND
2020ND40ND
2021ND40ND
2022ND50ND
2023ND40ND

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
2019-05-2035469857001ND
2019-05-2035469857002ND
2019-05-2035469857001ND
2019-05-2035469857002ND
2019-05-2135470500001ND
2019-05-2135470500002ND
2019-05-2135470500001ND
2019-05-2135470500002ND
2019-06-1235475393005ND
2019-06-1235475393005ND
2020-06-0135554093004ND
2020-06-0135554093003ND
2020-06-0135554093002ND
2020-06-0135554093001ND
2021-05-2535636158001ND
2021-05-2535636158002ND
2021-05-2535636158003ND
2021-05-2535636158004ND
2022-05-1635718662001ND
2022-05-1635718662002ND
2022-05-1635718662003ND
2022-05-1635718662004ND
2022-05-1635718662005ND
2023-10-3035838246001ND
2023-10-3035838246002ND
2023-10-3035838246003ND
2023-10-3035838246004ND