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EWG's Tap Water Database — 2021 UPDATE

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MTBE

Adirondack Airport Community

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.

 

7

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20140.500 ppb110.500 ppb
20150.600 ppb110.600 ppb
20160.500 ppb220.500 ppb
2017ND10ND
20180.500 ppb110.500 ppb
20190.550 ppb110.550 ppb

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
2014-04-21EHS1400012079-010.500 ppb
2015-11-05EHS1500067687-010.600 ppb
2016-11-08EHS1600051836-010.500 ppb
2016-11-08EHS1600051837-010.500 ppb
2017-01-30EHS1700005521-01ND
2018-12-10EHS1800054043-010.500 ppb
2019-12-041920110-001POCS0.550 ppb