Know Your Environment. Protect Your Health.

1,2,4-Trichlorobenzene

Paw Blue Mountain Division

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

 

21

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND10ND
2019ND20ND
2020ND50ND
2021ND40ND
2022ND40ND
2023ND50ND

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
2018-01-1038160101ND
2019-01-0942498201ND
2019-07-1645238801ND
2020-04-2222086236.00ND
2020-04-2922086545.00ND
2020-04-2922086566.00ND
2020-05-1122278289.00ND
2020-05-1122278310.00ND
2021-04-1224308435.00ND
2021-04-1224308456.00ND
2021-07-2124889771.00ND
2021-07-2124889792.00ND
2022-04-1826522963.00ND
2022-04-1826522984.00ND
2022-08-0327300360.00ND
2022-08-0427300341.00ND
2023-04-1028766752.00ND
2023-04-1028766733.00ND
2023-04-1128766708.00ND
2023-04-1128766702.00ND
2023-06-0729172443.00ND