Know Your Environment. Protect Your Health.

MTBE

Boh-nak 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.

 

22

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND40ND
2019ND40ND
2020ND40ND
2021ND50ND
2022ND10ND
2023ND40ND

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
2018-02-01E18002794001ND
2018-05-03E18003986001ND
2018-07-26E19000268001ND
2018-11-08E19001598001ND
2019-03-28E19003182001ND
2019-06-06E19004198001ND
2019-09-05E20000965001ND
2019-10-24E20001624001ND
2020-03-05E20003055001ND
2020-06-03E20003736001ND
2020-07-23E21000238001ND
2020-10-22E21001138001ND
2021-02-10E21002098006ND
2021-05-21E21003420001ND
2021-07-15E22000161001ND
2021-09-22E22000963001ND
2021-11-17E2200089904ND
2022-02-15021522_02_021622250ND
2023-02-16E2300185106ND
2023-06-07E2300298601ND
2023-08-02E2400035701ND
2023-10-17E2400092901ND