Know Your Environment. Protect Your Health.

o-Dichlorobenzene

Hca Roan Filter Plant

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.

 

14

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND10ND
2019ND10ND
2020ND20ND
2021ND40ND
2022ND10ND
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
2018-10-308111439-01ND
2019-10-249105284-01ND
2020-06-1722436152.00ND
2020-10-1923201733.00ND
2021-01-0723731033.00ND
2021-04-0824266638.00ND
2021-07-0124848281.00ND
2021-10-2025424851.00ND
2022-05-2626669371.00ND
2023-02-2828541386.00ND
2023-05-0228921496.00ND
2023-05-2428921749.00ND
2023-08-2229719413.00ND
2023-11-1430089979.00ND