Know Your Environment. Protect Your Health.

1,2,4-Trichlorobenzene

City of Alba

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
2018ND30ND
2019ND20ND
2020ND20ND
2021ND30ND
2022ND20ND
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
2018-03-12Q1809883004ND
2018-03-12Q1809883010ND
2018-09-18Q1837028001ND
2019-10-07Q1971344006ND
2019-10-07Q1971344008ND
2020-04-01Q2013273007ND
2020-04-01Q2013273009ND
2021-06-30Q2117218008ND
2021-06-30Q2117218010ND
2021-06-30Q2117218012ND
2022-05-25Q2215156001ND
2022-05-25Q2215156011ND
2023-06-22Q2323976002ND
2023-06-22Q2323976004ND