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EWG's Tap Water Database — 2019 UPDATE

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Ethylbenzene

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Ethylbenzene, a component of petroleum, is a volatile cancer-causing chemical primarily used for production of plastics and rubber. Ethylbenzene is also released from gasoline fuel emissions. Read More.

In animal studies, exposure to ethylbenzene causes tumors. Ethylbenzene can also damage lungs, liver, kidneys and the nervous system. The International Agency for Research on Cancer classifies ethylbenzene as “possibly carcinogenic to humans.”

 

14

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2012ND20ND
2013ND30ND
2014ND30ND
2015ND10ND
2016ND30ND
2017ND20ND

ppb = parts per billion

State and national drinking water standards and health guidelines

EWG Health Guideline 300 ppb

The EWG Health Guideline of 300 ppb for ethylbenzene 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) 700 ppb

The legal limit for ethylbenzene, established in 1991, was based on a toxicity study in laboratory animals conducted in the 1950s.

ppb = parts per billion

All test results

Date Lab ID Result
2012-04-24AB87952ND
2012-04-24AB87954ND
2013-02-071302273014ND
2013-02-071302273010ND
2013-02-071302273012ND
2014-05-01Q1414182010ND
2014-05-01Q1414182001ND
2014-05-01Q1414182008ND
2015-06-18Q1522930001ND
2016-02-10Q1606030002ND
2016-09-07Q1636054004ND
2016-10-31Q1646398003ND
2017-02-09Q1705885002ND
2017-04-19Q1716169002ND