Know Your Environment. Protect Your Health.

MTBE

Kern Valley State Prison

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
2018N/A00N/A
2019ND20ND
2020ND20ND
2021N/A00N/A
2022ND40ND
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
2019-02-12CA1510802_001_001-201902121030ND
2019-02-12CA1510802_002_002-201902121030ND
2020-04-08CA1510802_002_002-202004081200ND
2020-04-08CA1510802_001_001-202004081230ND
2022-02-08CA1510802_001_001-202202081200ND
2022-02-08CA1510802_002_002-202202081200ND
2022-11-01CA1510802_001_001-202211010900ND
2022-11-01CA1510802_002_002-202211010800ND
2023-11-14CA1510802_001_001-202311141130ND
2023-11-14CA1510802_002_002-202311141100ND