Know Your Environment. Protect Your Health.

1,2,4-Trichlorobenzene

City of New Summerfield

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
2018ND20ND
2019ND20ND
2020ND20ND
2021ND20ND
2022ND20ND
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
2018-10-25Q1843100001ND
2018-10-25Q1843100004ND
2019-03-21Q1911964003ND
2019-03-21Q1911964009ND
2020-03-23Q2012158003ND
2020-03-23Q2012158005ND
2021-03-01Q2105152005ND
2021-08-12Q2121675009ND
2022-02-02Q2203981003ND
2022-02-02Q2203981005ND
2023-04-25Q2315546001ND
2023-04-25Q2315546003ND
2023-07-03Q2326031003ND
2023-10-13Q2343897001ND