Know Your Environment. Protect Your Health.

MTBE

Rio Cosumnes Correctional Center [sws]

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.

 

12

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

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

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
2018-11-14CA3400229_003_003-201811140905ND
2019-02-14CA3400229_001_001-201902140809ND
2019-08-06CA3400229_002_002-201908061100ND
2019-08-06CA3400229_003_003-201908061038ND
2019-11-07CA3400229_008_008-201911070815ND
2020-02-11CA3400229_002_002-202002111303ND
2021-11-10CA3400229_003_003-202111101151ND
2022-02-14CA3400229_001_001-202202141000ND
2022-08-15CA3400229_002_002-202208151235ND
2022-08-16CA3400229_003_003-202208161355ND
2022-11-07CA3400229_008_008-202211071210ND
2023-02-14CA3400229_002_002-202302141103ND