Know Your Environment. Protect Your Health.

MTBE

China Lake Naval Air Weapons Station

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.

 

16

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
2019N/A00N/A
2020ND40ND
2021ND10ND
2022ND30ND
2023ND80ND

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
2020-11-30CA1510703_002_002-202011301301ND
2020-11-30CA1510703_004_004-202011301420ND
2020-11-30CA1510703_013_013-202011301346ND
2020-11-30CA1510703_017_017-202011301450ND
2021-06-15CA1510703_015_015-202106150945ND
2022-06-28CA1510703_043_043-202206280900ND
2022-09-05CA1510703_043_043-202209050939ND
2022-11-08CA1510703_043_043-202211080845ND
2023-01-24CA1510703_043_043-202301240755ND
2023-04-11CA1510703_043_043-202304110856ND
2023-11-07CA1510703_015_015-202311070807ND
2023-11-07CA1510703_004_004-202311070717ND
2023-11-07CA1510703_002_002-202311070901ND
2023-11-07CA1510703_013_013-202311070824ND
2023-11-07CA1510703_043_043-202311070917ND
2023-11-14CA1510703_017_017-202311140732ND