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EWG's Tap Water Database — 2019 UPDATE

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MTBE

Beverly Hills Water Department

MTBE was used as gasoline oxygenation additive to boost the octane number. In 2005, MTBE was replaced by ethanol as a gasoline additive. MTBE causes cancers in rats.

 

19

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2012ND40ND
2013ND40ND
2014ND40ND
2015ND20ND
2016ND40ND
2017ND10ND

ppb = parts per billion

State and national drinking water standards and health guidelines

EWG Health Guideline 13 ppb

The EWG Health Guideline of 13 ppb for MTBE 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 cancer.

ppb = parts per billion

All test results

Date Lab ID Result
2012-11-089469-014-0415ND
2012-11-089469-012-0440ND
2012-11-089469-015-0345ND
2012-12-319469-013-1000ND
2013-11-079469-014-0010ND
2013-11-079469-015-0245ND
2013-11-079469-012-0115ND
2013-11-079469-013-0045ND
2014-11-139469-014-0945ND
2014-11-139469-013-0920ND
2014-11-139469-015-0812ND
2014-11-139469-012-0850ND
2015-10-139469-015-0840ND
2015-10-139469-013-0747ND
2016-11-219469-015-1019ND
2016-11-219469-014-1002ND
2016-11-219469-013-0947ND
2016-11-219469-012-0924ND
2017-10-129469-014-0805ND