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EWG's Tap Water Database — 2019 UPDATE

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Isopropylbenzene

California Water Service Company-Lancaster

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.

 

11

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

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

ppb = parts per billion

All test results

Date Lab ID Result
2012-12-185810-001-1230ND
2012-12-185810-005-1220ND
2013-06-195701-005-1030ND
2014-05-205701-001-1000ND
2014-06-245701-005-1112ND
2015-05-195701-001-0937ND
2015-06-165701-005-1347ND
2016-05-245701-001-1342ND
2016-06-285701-005-1145ND
2017-05-095701-001-1025ND
2017-06-205701-005-1501ND