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EWG's Tap Water Database — 2021 UPDATE

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Isopropylbenzene

City of San Juan Capistrano

Isopropylbenzene, also called cumene, is an intermediate in industrial chemical production, and is also used as a thinner for paints and enamels. The National Toxicology Program classifies isopropylbenzene as a "reasonably anticipated" human carcinogen.

 

7

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND10ND
2015ND30ND
2016ND10ND
2017ND10ND
2018ND10ND
2019N/A00N/A

ppb = parts per billion

All test results

Date Lab ID Result
2014-12-239590-010-1508ND
2015-02-109590-010-1111ND
2015-05-199590-010-0808ND
2015-08-249590-010-0911ND
2016-02-299590-010-0809ND
2017-02-089590-010-0815ND
2018-06-139590-010-1322ND