Know Your Environment. Protect Your Health.

1,2,4-Trichlorobenzene

Sublette, City of

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

 

19

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND40ND
2019ND10ND
2020N/A00N/A
2021ND60ND
2022ND40ND
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
2018-12-181093052ND
2018-12-181093055ND
2018-12-181093056ND
2018-12-181093057ND
2019-07-081200018ND
2021-06-281864890ND
2021-06-281864889ND
2021-06-281864888ND
2021-06-281864887ND
2021-08-241930858ND
2021-08-241930857ND
2022-07-112299621ND
2022-08-022320829ND
2022-10-032369911ND
2022-10-312388259ND
2023-01-092429096ND
2023-04-032474308ND
2023-07-172537737ND
2023-10-032586302ND