Know Your Environment. Protect Your Health.

MTBE

Averills 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.

 

10

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND10ND
2019ND40ND
20200.690 ppb110.690 ppb
20210.580 ppb110.580 ppb
2022ND10ND
2023ND20ND

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
2018-10-01401802917ND
2019-10-011918067-01ND
2019-10-18401903623ND
2019-10-18401903621ND
2019-10-18401903624ND
2020-11-034520013650.690 ppb
2021-07-274521010710.580 ppb
2022-03-01452200219CND
2023-04-20452300584CND
2023-04-20452300584ND