Know Your Environment. Protect Your Health.

1,2,4-Trichlorobenzene

Hazardville Water Company

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

 

39

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND60ND
2019ND50ND
2020ND90ND
2021ND50ND
2022ND50ND
2023ND90ND

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
2018-01-03BZ68303VOC1ND
2018-04-03CA12985VOC1ND
2018-07-02CA82195ND
2018-07-02CA82195VOC1ND
2018-07-02CA82194ND
2018-10-10CB69247ND
2019-01-07CC25226ND
2019-04-02CC79783ND
2019-07-09CD52639ND
2019-07-09CD52640ND
2019-10-08CE28924ND
2020-01-13CF12156ND
2020-04-01CF59969ND
2020-07-01CG26322ND
2020-07-01CG26319ND
2020-07-01CG26321ND
2020-07-01CG26323ND
2020-07-01CG26320ND
2020-07-01CG26324ND
2020-12-21CH35890ND
2021-02-02CH56335ND
2021-04-12CH98310ND
2021-07-07CI68950ND
2021-07-07CI68951ND
2021-10-12CJ55044ND
2022-01-05CK10281ND
2022-04-12CL06123ND
2022-07-18CL79816ND
2022-07-18CL79821ND
2022-10-04CM49070ND
2023-01-09CN19981ND
2023-04-03CN75054ND
2023-07-17CO51862ND
2023-07-17CO51859ND
2023-07-17CO51861ND
2023-07-17CO51863ND
2023-07-17CO51860ND
2023-07-17CO51864ND
2023-10-10CP21649ND