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EWG's Tap Water Database — 2019 UPDATE

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MTBE

City of Aiken

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.

 

13

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2012ND10ND
2013ND10ND
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
2012-04-04AD05439ND
2013-04-24AD22837ND
2014-05-21AD40196ND
2014-05-21AD40198ND
2014-05-21AD40200ND
2014-05-21AD40209ND
2015-05-20AD55699ND
2015-11-09AD65512ND
2016-02-24AD71247ND
2016-05-04AD75337ND
2016-05-04AD75324ND
2016-09-27AD83033ND
2017-07-18AD97583ND