Know Your Environment. Protect Your Health.

Monochlorobenzene (chlorobenzene)

Ephrata Area Joint Authority

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.

 

48

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND50ND
2019ND50ND
2020ND90ND
2021ND90ND
2022ND100ND
2023ND100ND

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
2018-01-047020609-01ND
2018-01-058000628-01ND
2018-04-098007939-01ND
2018-07-158020415-01ND
2018-10-018028440-01ND
2019-01-028018023-01ND
2019-01-089000133-01ND
2019-04-027004831-01ND
2019-07-027011943-01ND
2019-10-079035881-01ND
2020-01-0321627544.00ND
2020-04-0622168763.00ND
2020-04-1322168831.00ND
2020-04-1322168830.00ND
2020-07-1322753782.00ND
2020-07-1722753859.00ND
2020-07-2122753860.00ND
2020-10-0723319899.00ND
2020-10-1423319991.00ND
2021-02-1224015893.00ND
2021-02-2624015933.00ND
2021-04-0824201072.00ND
2021-04-1424390939.00ND
2021-07-0124976266.00ND
2021-07-0124976267.00ND
2021-07-1624976378.00ND
2021-10-0525545687.00ND
2021-10-0825545743.00ND
2022-01-0526077527.00ND
2022-01-3126077727.00ND
2022-02-0826247128.00ND
2022-04-0426604683.00ND
2022-04-0526604715.00ND
2022-07-1127188768.00ND
2022-07-1227188837.00ND
2022-07-2227188996.00ND
2022-10-1027782908.00ND
2022-10-2527782972.00ND
2023-01-0928307568.00ND
2023-01-2428307800.00ND
2023-01-2428307822.00ND
2023-04-1428855600.00ND
2023-04-1428855599.00ND
2023-07-1129451559.00ND
2023-07-1829451618.00ND
2023-08-2929654958.00ND
2023-10-3130028806.00ND
2023-10-3130028805.00ND