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EWG's Tap Water Database — 2019 UPDATE

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Monochlorobenzene (chlorobenzene)

Union Springs Village

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.

 

22

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2012ND30ND
2013ND40ND
2014ND40ND
2015ND40ND
2016ND40ND
2017ND30ND

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
2012-02-071Q2012POCUSND
2012-05-092Q2012POCUSND
2012-08-083Q2012POCUSND
2013-02-061Q2013POCUSND
2013-05-152Q2013POCSUSND
2013-08-063Q2013POCUSND
2013-11-134Q2013POCSUSND
2014-02-121Q2014POCSUSND
2014-04-162Q2014POCSUSND
2014-08-133Q2014POCSUSND
2014-11-054Q2014POCSUSND
2015-01-141Q2015VOCUSND
2015-05-062Q2015POCUSND
2015-08-043Q2015POCUSND
2015-09-293QD2015POCSUSND
2016-02-101Q2016VOCUSND
2016-05-052Q2016VOCUSND
2016-08-023Q2016VOCUSND
2016-11-094Q2016POCUSND
2017-02-081Q2017POCUSND
2017-05-092Q2017POCUSND
2017-08-083Q2017POCUSND