Know Your Environment. Protect Your Health.

o-Dichlorobenzene

Town of Hampstead

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.

 

25

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND20ND
2019ND70ND
2020ND70ND
2021ND50ND
2022ND20ND
2023ND20ND

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
2018-10-02E19001151004ND
2018-10-02E19001151001ND
2019-08-28E20000817001ND
2019-08-28E20000817004ND
2019-08-28E20000817006ND
2019-08-28E20000817008ND
2019-08-28E20000817010ND
2019-08-28E20000817012ND
2019-08-28E20000817014ND
2020-03-03E20002984004ND
2020-06-03E20003719001ND
2020-06-03E20003719004ND
2020-07-29E21000294001ND
2020-07-29E21000294004ND
2020-09-01E064325-05ND
2020-10-28E21001178004ND
2021-01-21E21001850001ND
2021-06-03E21003568001ND
2021-09-08E22000814001ND
2021-09-08E22000814004ND
2021-11-08E220007804ND
2022-03-010060003_14_030122354ND
2022-05-25E2201063401ND
2023-03-22E2300224001ND
2023-03-22E2300224003ND