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EWG's Tap Water Database — 2021 UPDATE

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Monochlorobenzene (chlorobenzene)

Schuylkill County. Municipal 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.

 

24

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND40ND
2015ND40ND
2016ND40ND
2017ND40ND
2018ND40ND
2019ND40ND

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
2014-07-22L5170812-2ND
2014-07-22L5170812-3ND
2014-07-22L5170812-4ND
2014-07-22L5170812-1ND
2015-07-2113055226ND
2015-07-2113055280ND
2015-07-2113055334ND
2015-07-2113055388ND
2016-07-1914793958ND
2016-07-1914793848ND
2016-07-1914793903ND
2016-07-2514627394ND
2017-07-1116465752ND
2017-07-1116465772ND
2017-07-1116465812ND
2017-07-1116465792ND
2018-07-178020362-01ND
2018-07-178020365-01ND
2018-07-178020364-01ND
2018-07-178020366-01ND
2019-07-169024930-01REND
2019-07-169024930-02ND
2019-07-169024930-03ND
2019-07-169024930-04ND