Know Your Environment. Protect Your Health.

1,2,4-Trichlorobenzene

Cazadero Water Company Inc.

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

 

8

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018N/A00N/A
2019ND20ND
2020ND20ND
2021N/A00N/A
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
2019-03-22CA4900508_006_006-201903221050ND
2019-08-02CA4900508_005_005-201908021052ND
2020-12-21CA4900508_001_001-202012210908ND
2020-12-21CA4900508_011_011-202012210909ND
2022-11-03CA4900508_005_005-202211031155ND
2022-11-03CA4900508_006_006-202211031102ND
2023-03-06CA4900508_011_011-202303060925ND
2023-03-06CA4900508_001_001-202303060818ND