Know Your Environment. Protect Your Health.

Monochlorobenzene (chlorobenzene)

Swta - Main System

Monochlorobenzene is used as a solvent for pesticides, a degreasing agent and an intermediate for manufacturing other chemicals. It causes liver and kidney damage in studies of laboratory animals.

 

35

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND60ND
2019ND50ND
2020ND70ND
2021ND50ND
2022ND50ND
2023ND70ND

ppb = parts per billion

State, National, and Health Guidelines for Drinking Water

EWG Health Guideline: 70 ppb

The EWG Health Guideline of 70 ppb for monochlorobenzene 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): 100 ppb

The legal limit for monochlorobenzene, established in 1991, was based on a toxicity study in laboratory animals conducted in the 1960s.

ppb = parts per billion

All test results

Date Lab ID Result
2018-01-098012152-02ND
2018-04-108042613-02ND
2018-04-108042612-01ND
2018-04-108042612-02ND
2018-04-108042612-03ND
2018-04-108042612-04ND
2019-04-239044997-01ND
2019-04-239044997-02ND
2019-04-239044997-03ND
2019-04-239044997-04ND
2019-04-239044997-05ND
2020-04-1422080228.00ND
2020-04-1422080291.00ND
2020-04-1422080207.00ND
2020-04-1422080186.00ND
2020-04-1422080165.00ND
2020-04-1422080249.00ND
2020-04-1422080270.00ND
2021-04-0624301761.00ND
2021-04-0624301824.00ND
2021-04-0624301782.00ND
2021-04-0624301803.00ND
2021-04-0624301845.00ND
2022-05-3126899459.00ND
2022-05-3126899522.00ND
2022-05-3126899480.00ND
2022-05-3126899501.00ND
2022-05-3126899543.00ND
2023-04-0428761141.00ND
2023-04-0428761138.00ND
2023-04-0428761143.00ND
2023-04-0428761142.00ND
2023-04-0428761140.00ND
2023-04-0428761139.00ND
2023-12-1230296283.00ND