Know Your Environment. Protect Your Health.

o-Dichlorobenzene

Mt. Joy Boro Authority

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.

 

12

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
2020ND50ND
2021ND10ND
2022ND10ND
2023ND30ND

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
2019-08-209083654-01ND
2019-11-079110611-01ND
2020-02-2021802860.00ND
2020-02-2021981372.00ND
2020-02-2821981396.00ND
2020-03-0321981319.00ND
2020-04-0922171135.00ND
2021-01-1923849100.00ND
2022-06-0726995872.00ND
2023-05-1529059232.00ND
2023-05-1629059233.00ND
2023-06-0429260268.00ND