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EWG's Tap Water Database — 2019 UPDATE

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MTBE

Lebanon

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.

 

14

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2012N/A00N/A
2013ND70ND
2014N/A00N/A
2015N/A00N/A
2016ND70ND
2017N/A00N/A

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
2013-02-19AB92897ND
2013-02-19AB92893ND
2013-02-19AB92899ND
2013-02-19AB92894ND
2013-02-19AB92895ND
2013-02-19AB92896ND
2013-02-19AB92898ND
2016-02-29AC67126ND
2016-02-29AC67122ND
2016-02-29AC67123ND
2016-02-29AC67124ND
2016-02-29AC67125ND
2016-02-29AC67127ND
2016-02-29AC67128ND