Know Your Environment. Protect Your Health.

o-Dichlorobenzene

Paw Blue Mountain Division

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.

 

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: 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
2018-01-1038160101ND
2019-01-0942498201ND
2019-07-1645238801ND
2020-04-2222086250.00ND
2020-04-2922086559.00ND
2020-04-2922086580.00ND
2020-05-1122278303.00ND
2020-05-1122278324.00ND
2021-04-1224308449.00ND
2021-04-1224308470.00ND
2021-07-2124889785.00ND
2021-07-2124889806.00ND
2022-04-1826522956.00ND
2022-04-1826522977.00ND
2022-08-0327300367.00ND
2022-08-0427300348.00ND
2023-04-1028766759.00ND
2023-04-1028766740.00ND
2023-04-1128766722.00ND
2023-04-1128766694.00ND
2023-06-0729172436.00ND