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EWG's Tap Water Database — 2021 UPDATE

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Monochlorobenzene (chlorobenzene)

Morris County MUA

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.

 

47

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND80ND
2015ND80ND
2016ND80ND
2017ND70ND
2018ND80ND
2019ND80ND

ppb = parts per billion

State and national drinking water standards and health guidelines

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
2014-05-21AB51207HZND
2014-05-21AB51212HZND
2014-05-21AB51208HZND
2014-05-21AB51209HZND
2014-05-21AB51206HZND
2014-05-21AB51211HZND
2014-05-21AB51210HZND
2014-06-18AB52322HZND
2015-05-20L5609232-8ND
2015-05-20L5609232-5ND
2015-05-20L5609232-7ND
2015-05-20L5609232-4ND
2015-05-20L5609232-1ND
2015-05-20L5609232-6ND
2015-05-20L5609232-2ND
2015-05-20L5609232-3ND
2016-05-18AB81474HZND
2016-05-18AB81475HZND
2016-05-18AB81473HZND
2016-05-18AB81472HZND
2016-05-18AB81471HZND
2016-05-18AB81470HZND
2016-05-18AB81477HZND
2016-05-18AB81476HZND
2017-05-24AB96916HZND
2017-05-24AB96920HZND
2017-05-24AB96917HZND
2017-05-24AB96918HZND
2017-05-24AB96915HZND
2017-05-24AB96921HZND
2017-05-24AB96919HZND
2018-05-16AC11019HZND
2018-05-16AC11020HZND
2018-05-16AC11014HZND
2018-05-16AC11018HZND
2018-05-16AC11017HZND
2018-05-16AC11016HZND
2018-05-16AC11015HZND
2018-09-12AC16053HZND
2019-05-10AC26417HZND
2019-05-10AC26418HZND
2019-05-10AC26416HZND
2019-05-10AC26412HZND
2019-05-10AC26415HZND
2019-05-10AC26419HZND
2019-05-10AC26414HZND
2019-05-10AC26413HZND