Know Your Environment. Protect Your Health.

o-Dichlorobenzene

Bristol Water Department

o-Dichlorobenzene is used as a chemical intermediate for making agricultural herbicides. It is toxic to the liver, kidneys and the nervous system, and causes cancer in animal studies.

 

28

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND40ND
2019ND40ND
2020ND40ND
2021ND40ND
2022ND80ND
2023ND40ND

ppb = parts per billion

State, National, and Health Guidelines for Drinking Water

EWG Health Guideline: 600 ppb

The EWG Health Guideline of 600 ppb for o-dichlorobenzene 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 harm to internal organs.

EPA Maximum Contaminant
Level (MCL): 600 ppb

The legal limit for o-dichlorobenzene, established in 1991, was based on a toxicity study in laboratory animals conducted in the 1970s.

ppb = parts per billion

All test results

Date Lab ID Result
2018-01-10D8A0568-04VOCND
2018-01-10D8A0568-03VOCND
2018-01-10D8A0568-02VOCND
2018-01-10D8A0568-01VOCND
2019-10-28D9J2584-01VOCND
2019-10-28D9J2584-04VOCND
2019-10-28D9J2584-03VOCND
2019-10-28D9J2584-02VOCND
2020-11-19D0K1813-01VOCND
2020-11-19D0K1813-02VOCND
2020-11-19D0K1813-03VOCND
2020-11-19D0K1813-04VOCND
2021-08-12D1H1346-03VOCND
2021-08-12D1H1346-04VOCND
2021-08-12D1H1346-02VOCND
2021-08-12D1H1346-01VOCND
2022-11-21D2K1965-01VOCND
2022-11-21D2K1965-04VOCND
2022-11-21D2K1965-05VOCND
2022-11-21D2K1965-02VOCND
2022-11-21D2K1965-03VOCND
2022-11-21D2K1965-06VOCND
2022-11-28D2K2374-01VOCND
2022-11-28D2K2374-02VOCND
2023-03-06D3C0654-01VOCND
2023-03-06D3C0654-02VOCND
2023-03-06D3C0654-03VOCND
2023-03-15D3C1373-01VOCND