Know Your Environment. Protect Your Health.

MTBE

A B C Mobile Home Park

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.

 

8

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018N/A00N/A
2019ND20ND
2020N/A00N/A
2021N/A00N/A
20226.83 ppb446.60 ppb - 6.90 ppb
20236.70 ppb226.60 ppb - 6.80 ppb

ppb = parts per billion

State, National, and Health Guidelines for Drinking Water

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
2019-08-13AK26229ND
2019-08-13AK26230ND
2022-09-12AL143946.90 ppb
2022-09-12AL143956.90 ppb
2022-10-12AL186246.60 ppb
2022-10-12AL186256.90 ppb
2023-03-20AL276556.80 ppb
2023-03-20AL276566.60 ppb