Know Your Environment. Protect Your Health.

o-Dichlorobenzene

Lehigh County Authority Allentown 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
2018ND20ND
2019ND20ND
2020ND40ND
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
2018-03-138023741-01ND
2018-03-138023741-02ND
2019-03-199024667-02ND
2019-03-199024667-01ND
2020-03-0421896277.00ND
2020-03-1121896289.00ND
2020-03-1821896336.00ND
2020-03-1821896321.00ND
2021-01-0623762422.00ND
2021-01-1323762445.00ND
2021-01-2023762468.00ND
2021-01-2023762491.00ND
2022-01-1025992212.00ND
2022-01-1925992233.00ND
2022-01-2525992256.00ND
2022-01-2525992277.00ND
2023-01-0428221621.00ND
2023-01-0928221644.00ND
2023-01-1828221667.00ND
2023-01-1828221690.00ND
2023-02-2228396010.00ND